DOI: 10.3897/rio.12.e183261

Authors: Enriko Kroon, Ricardo Borges, Rômulo de Jesus, Stefan Kuhn

Abstract: It has been shown that it is possible to train a (simple) neural network to classify nuclear magnetic resonance spectra by a substructures either being part of the chemical structure measured or not. We now explore the interpretability of such models using techniques from explainable AI, specifically Grad-CAM. We show that those techniques do not give ideal results in the context of NMR, which would be able to identify individual peaks. On the other hand, they enable a better interpretation of the results than those metrics just based on "right or wrong". We can also confirm the result from our previous work, that the trained network performs well for pure compounds, but its generalisability to mixtures is questionable, a limitation that could only be assumed in the original study.

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DOI: 10.3897/arphapreprints.e177889

Authors: Serena Rasconi, Ana Gavrilović

Abstract: Abstracts of talks presented at ParAqua Grantees Conference held in Zagreb (Croatia), 1-2 September 2025

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DOI: 10.3897/rio.11.e176476

Authors: Tina Heger, Stella Berger, Jonathan Jeschke, Chris Kittel, Peter Kraker, A. Makower, Daniel Mietchen, Jens Nejstgaard, Maxi Schramm

Abstract: Water is vital for life on Earth, but aquatic environments worldwide are facing critical challenges that cause severe problems for biodiversity and human well-being. These challenges include, for example, water pollution, habitat degradation, escalating water and air temperatures, salinisation of freshwaters, ocean acidification and invasive species. Since these stressors interact in complex ways, developing predictions and mitigation measures is difficult. Mesocosm experiments, offering controlled, yet realistic settings, are crucial for understanding and mitigating the impact of various stressors and their combinations on aquatic ecosystems. Mesocom facilities are key Research Infrastructures (RI), as they bridge the gap between laboratory experiments and natural systems allowing studies of highly complex environments comparable to natural ecosystems, while still offering controlled and replicated settings not available in natural systems.The AQUACOSM-RI consortium, comprising over 60 individual state-of-the-art mesocosm facilities at 28 host institutions across Europe, has therefore been instrumental in advancing aquatic environmental research across climate zones including marine, brackish and freshwater ecosystems. In addition, the EU H2020-INFRAIA projects AQUACOSM (CORDIS No. 731065) and AQUACOSM-plus (CORDIS No. 871081, www.aquacosm.eu) have developed a virtual network beyond Europe of presently > 85 host institutions with > 120 aquatic mesocosm facilities around the world, www.mesocosm.org. However, the rich, yet disconnected resources in aquatic mesocosm-based experimental research and mitigation approaches need to be combined in a modern, visible and accessible way.The project AQUANAVI (Navigating Grand Challenges and their Mitigation using Aquatic Experimental RIs) aims to enhance existing efforts by creating an interactive atlas of aquatic mesocosm facilities and related mesocosm-based experimental research. Integrating data, publications, reports and information on mesocosm facility capacities generated by the AQUACOSM consortium and other mesocosm facilities in Europe and beyond, AQUANAVI will facilitate fast discovery of resources and unused potentials of available mesocosm facilities in a modern, visible and accessible way that is presently not available. Such a multidimensional tool is expected to enable novel collaborations and a much faster setup and execution of connected and/or distributed experiments and efficient development of environmental mitigation strategies. Built upon the AQUACOSM-RIs and their encompassing data and information repository as well as scientific and technical competence, while also leveraging related infrastructures like AnaEE, EMBRC, JERICO-RI and eLTER, AQUANAVI will provide a comprehensive resource platform to more effectively explore available resources for aquatic experimental research.AQUANAVI will bridge this wealth of scientific data, expertise and mesocosm facility information through Hi Knowledge, an innovative analysis and visualisation platform that merges Wikidata, Open Knowledge Maps,and Scholia. Hi Knowledge harnesses the semantic capabilities of Wikidata to rapidly construct a FAIR and open corpus for a domain, based on a sophisticated conceptual classification system. Subsequently, Hi Knowledge incorporates visualisation components from Open Knowledge Maps and Scholia, allowing researchers to smoothly navigate information using cutting-edge visualisation techniques, artificial intelligence and knowledge synthesis methods.Open and collaborative by design, AQUANAVI’s architecture will engage a broad range of research communities. By consolidating data and information from diverse RIs, the platform will leverage and enhance the AQUACOSM and related research infrastructures, securing the reusability and interoperability of existing data collections and better exploration of existing RIs in the future. Compliant with FAIR principles and EOSC requirements, AQUANAVI will ensure the long-term sustainability and openness of its resources, enriching both the ENVRI services portfolio and the broader scientific community. In summary, AQUANAVI will empower researchers and stakeholders to implement measures to mitigate the effects of climate change and other Grand Challenges facing aquatic environments, serving as a key resource within and beyond the European research area.

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DOI: 10.3897/rio.11.e176120

Authors: Christos Arvanitidis, Olga Ameixa, Alberto Basset, Eva Chatzinikolaou, Claudia Coman, Berta Companys, Francesco De Leo, Klaas Deneudt, Federico Drago, John Eriksson, Tiziana Ferrari, Teodor Georgiev, Giovanni Giuliano, Stefan Gruber, Jens Habermann, Katharina Heil, Tim Hubbard, Cristina Huertas Olivares, Georgios Kotoulas, Dimitris Koureas, Natalia Manola, Vanessa Marrocco, Nicolas Pade, Ana Portugal Melo, Antonello Provenzale, Fotis Psomopoulos, Niels Raes, Susie Robinson, Patrick Ruch, Dick Schaap, Adrian Stanica, Tassos Stavropoulos, Heliana Teixeira, Peter van Tienderen, Costas Tsigenopoulos, Robert Waterhouse, Giuseppe Aprea, Michel Boër, Ana Casino, Laurent Delauney, Jonathan Ewbank, Ana Lillebø, Michael Mirtl, Jana Pavlic-Zupanc, Lyubomir Penev, Jaume Piera, Paraskevi Pitta, Ingrid Puillat, David Richter, Diana Stepanyan, Anton Ussi, Jan Węsławski, Gabriela Zuquim

Abstract: The interdependence of human, animal, plant and ecosystem health necessitates systemic, cross-domain collaboration to address global challenges, such as emerging diseases, climate change and biodiversity severe change. Through the Crete Declaration, Europe’s (e-)infrastructures, organisations and projects that focus on the functioning of our biosphere commit to jointly advancing the One Health approach. In doing so, the signatories aim to strengthen Europe’s resilience and leadership through the sharing of data and expertise, the development of innovative solutions and the promotion of evidence-based policies.

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DOI: 10.3897/arphapreprints.e167392

Authors: Anita Franco, Katie Smyth, Michael Elliott

Abstract: Marine biodiversity is adversely affected by many human activities and their pressures. As such, there is the need for a cause-consequence-response method to objectively address the risks associated with those adverse changes. Such a method is the ISO-accredited Bow-tie technique as an objective and structured approach giving the causes, preventative control measures, mitigation and compensation measures and consequences of changes to biodiversity. Here, the Bow-tie method underpinned by the cause-consequence-response DAPSI(W)R(M) framework was used and adapted to help managers map out risks to biodiversity requiring management of the human activities and their relevant pressures, in specific case study areas (termed Broad Belt Transects, BBTs). Instead of using restrictive proprietary software, a more-flexible template framework was developed in Microsoft PowerPoint to allow a broad user base. This employed standardised lists of elements (and further adapted during the application process) allowing the development of unique, but standardised and directly comparable Bow-ties for all BBTs. The methods of developing the template and standardised lists are described together with the techniques used to help quantify this usually qualitative approach. The successful application of the Bow-tie method in case studies from the European seas shows the adaptability of this approach in ways wider than the original policy-driven risk-assessment use. Although designed for European seas, the approach and standardised lists are sufficiently generic for adoption in wider areas worldwide.

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DOI: 10.3897/arphapreprints.e167014

Authors: Dorota Kołbuk, Julie Bremner, Ashley Cahillane, Valentina Di Gennaro, Tasman Crowe

Abstract: In this study we apply the bow-tie risk analysis framework to map the causes and consequences of decline or loss of five key Irish Sea ecosystem components: intertidal sandflats and mudflats, burrowing fauna including Dublin Bay prawn Nephrops norvegicus, blue mussel Mytilus edulis, commercially harvested fish, and wintering waterbirds. Main activities exerting multiple pressures on the Irish Sea ecosystem include energy production from offshore wind farms, tourism and leisure, fishing, transport, agriculture, urban and industrial uses, and waste treatment and disposal. All of them can contribute to decline in condition or loss of critical habitats and biota, leading to significant ecological, economic and sociocultural consequences. Understanding these consequences is essential for designing appropriate management responses. The bow-tie approach allows to identify management risks and highlights the most impactful control points for intervention to prevent or mitigate adverse biodiversity events.

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DOI: 10.3897/arphapreprints.e148125

Authors: Serena Rasconi, Laura Garzoli, Ana Gavrilović

Abstract: Abstracts of talks presented at ParAqua Conference held in Dubrovnik (Croatia), 16-17 April 2024

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DOI: 10.3897/rio.10.e125508

Authors: Mawutor Kwame Ahiabu, Frank Aboagye

Abstract: Several water assessments of some rivers affected by illegal mining (locally known as galamsey) activities in Ghana have recorded high levels of heavy metals and metalloids (such as lead, cadmium, copper, arsenic, mercury, iron and zinc); this poses significant health threats to communities served by affected rivers. To the best of our knowledge, the haematological study by Armah and colleagues is the only one that revealed staggering folds of blood metal concentrations beyond the WHO-required levels in inhabitants of the Tarkwa Nsuaem Municipality and Prestea-Huni Valley District of Ghana. As inhabitants of communities near galamsey sites are constantly exposed to heavy metals since some individuals rely on polluted rivers for domestic purposes, it is necessary to investigate and understand the threat of hypertension and renal damage associated with this unfortunate situation. We share our perspective and a proposed study to elucidate the exact hypertensive and renal damage associated with heavy metal exposure in galamsey-polluted rivers in Ghana. Onsite/human studies should provide important information about blood metal concentrations and current hypertension, renal function and genetic status of individuals exposed to heavy metals in specific galamsey-infested areas. Experimental studies using Sprague-Dawley rat models should determine the proportion of anthropogenic contribution to the levels of heavy metals in the bloodstream. Furthermore, the experimental studies should determine the extent (concentrations and time) and the possible mechanisms/pathways of galamsey-related heavy metals that trigger the pathogenesis and pathophysiology of hypertension and renal damage.

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DOI: 10.3897/arphapreprints.e128109

Authors: Anne Lyche Solheim, Benoît O. L. Demars, Marit Mjelde, Jannicke Moe, Andres Marmol-Guijarro, Sophie Mentzel, Jan-Erik Thrane, Jes Rasmussen, Benno Dillinger

Abstract: This report provides a showcase of selected EBVs related to the EU Water Framework Directive (WFD) and possible synergies with other EU policies. The report consists of two major parts: the species level EBV on macrophyte species in Nordic lakes and the community structure EBVs for phytoplankton in lakes and benthic invertebrates in rivers based on their deviation from natural conditions measured by Ecological Quality Ratios (EQR-values). The macrophytes species level part is produced by Benoit Demars at NIVA supported by a number of co-authors, including data providers (see frontpage), while the community structure EBVs based on EQR values are produced by Jannicke Moe, Sophie Mentzel, Jan-Erik Thrane and Anne Lyche Solheim at NIVA. All EIONET data providers of EQR-values reported to WISE-2 are kindly acknowledged.

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DOI: 10.3897/rio.9.e116070

Authors: Dimitrios Malamataris, Anastasia Tsavdaridou, Dimitra Banti, Athanasios Malliaras, Apostolos Karalis, Nikolaos Theocharis, Christodoulos Michos, Antonios Mazaris

Abstract: Natural resources conservation is considered indispensable for a sustainable future. A thorough managerial analysis of the current and future conservation and availability to meet future demands is both necessary and challenging. As water of adequate quantity and good quality is required for a favourable condition of natural ecosystems and for agricultural production, a comprehensive analysis which would consider hydrological, environmental and agricultural dimensions is needed to properly address their interactions and potential impacts. This study presents a Water-Ecosystems-Food (WEF) nexus methodological flamework aiming at identification and mitigation of critical challenges. The framework is tested in a highly productive water basin in north Greece, the Kokkinorema River Bain, which is also characterised by intense agriculture practices. The presented methodological approach was developed in the context of a natural resources sustainability scheme adapted by the national funded AgroClim project. The selection and prioritisation of the most efficient measures, including Nature-based Solutions, would be driven by a Decision Support System (DSS) tool which will feed upon ecological, social, economic and legislative information. The proposed DSS will also incorporate future climate scenarios to evaluate and address expected future water scarcity, ecosystems degradation and reduced agricultural productivity issues. The proposed methodology for addressing nexus challenges could be transferred to any other natural resources-stressed water basin with similar characteristics.

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DOI: 10.3897/rio.9.e113378

Authors: Helen Hardy, Laurence Livermore, Paul Kersey, Ken Norris, Vincent Smith

Abstract: UK natural science collections hold over 137 million items, an unrivalled source of data about 4.56 billion years of planetary development and hundreds of years of biological change, including the differences made by humans — but the scientific, commercial, and societal benefits of these collections are constrained by the limits of physical access, and by highly fragmented digitisation efforts with less than 10% digitally available. Following work with Frontier Economics in 2021, which showed potential for £2 billion in benefits to the UK economy from digitising all UK natural science collections, in 2022–23 the Natural History Museum London worked, with analytical support from McKinsey and Company, to understand the impact of what has already been digitised and shared by UK natural science collections — what is the demand for these data, what are they used for, and how does this deliver efficient, effective and impactful research?This study focuses on usage via the Global Biodiversity Information Facility, the largest source of relevant usage data, examining 7.6 million records from twelve UK institutions. While these UK collections data are just 0.3% of total GBIF occurrences, they are cited in 12% of peer reviewed publications citing GBIF data, showing the disproportionate impact of UK collections data and the historical, geographical, and taxonomic richness that they bring. Researchers have already benefited from more than £18 million of efficiency savings from digital UK specimen data. Data from natural science collections held in the UK are uniquely impactful resources, vital to a future in which people and planet thrive, and a step change in the pace of digitisation is needed to unlock their potential for researchers, policymakers, and society.

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DOI: 10.3897/rio.9.e110501

Authors: Konrad U. Förstner, Anke Becker, Jochen Blom, Peer Bork, Thomas Clavel, Marius Dieckmann, Alexander Goesmann, Barbara Götz, Thomas Gübitz, Franziska Hufsky, Sebastian Jünemann, Marie-Louise Körner, Manja Marz, Ulisses Nunes Da Rocha, Jörg Overmann, Alfred Pühler, Dietrich Rebholz-Schuhmann, Alexander Sczyrba, Jens Stoye, Justine Vandendorpe, Thea Van Rossum, Alice McHardy

Abstract: Microbes – bacteria, archaea, unicellular eukaryotes, and viruses – play an important role in human and environmental health. Growing awareness of this fact has led to a huge increase in microbiological research and applications in a variety of fields. Driven by technological advances that allow high-throughput molecular characterization of microbial species and communities, microbiological research now offers unparalleled opportunities to address current and emerging needs. As well as helping to address global health threats such as antimicrobial resistance and viral pandemics, it also has a key role to play in areas such as agriculture, waste management, water treatment, ecosystems remediation, and the diagnosis, treatment and prevention of various diseases. Reflecting this broad potential, billions of euros have been invested in microbiota research programs worldwide. Though run independently, many of these projects are closely related. However, Germany currently has no infrastructure to connect such projects or even compare their results. Thus, the potential synergy of data and expertise is being squandered. The goal of the NFDI4Microbiota consortium is to serve and connect this broad and heterogeneous research community by elevating the availability and quality of research results through dedicated training, and by facilitating the generation, management, interpretation, sharing, and reuse of microbial data. In doing so, we will also foster interdisciplinary interactions between researchers. NFDI4Microbiota will achieve this by creating a German microbial research network through training and community-building activities, and by creating a cloud-based system that will make the storage, integration and analysis of microbial data, especially omics data, consistent, reproducible, and accessible across all areas of life sciences. In addition to increasing the quality of microbial research in Germany, our training program will support widespread and proper usage of these services. Through this dual emphasis on education and services, NFDI4Microbiota will ensure that microbial research in Germany is synergistic and efficient, and thus excellent. By creating a central resource for German microbial research, NDFDI4Microbiota will establish a connecting hub for all NFDI consortia that work with microbiological data, including GHGA, NFDI4Biodiversity, NFDI4Agri and several others. NFDI4Microbiota will provide non-microbial specialists from these consortia with direct and easy access to the necessary expertise and infrastructure in microbial research in order to facilitate their daily work and enhance their research. The links forged through NFDI4Microbiota will not only increase the synergy between NFDI consortia, but also elevate the overall quality and relevance of microbial research in Germany.

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DOI: 10.3897/arphapreprints.e99679

Authors: Elena Velado-Alonso, Ignasi Bartomeus, Kira Keini, Suresh Chithathur, Anna Sapundzhieva, Alexandra Korcheva, David Kleijn

Abstract: Communication and dissemination are key elements to maximise SHOWCASE project impact and ensure long‐term effects. For that, an effective communication strategy is essential to convey the principles and best practices to integrate biodiversity in farm management to favour farmers’ livelihoods while promoting conservation in agricultural landscapes. Current discourses around biodiversity, nature conservation and farming are contradictory with each other and not always engaging for SHOWCASE stakeholders. Thus, an inspirational narrative has been developed in the first months of the project by WP4 “Communicating the benefits of agrobiodiversity through multistakeholder knowledge exchange”, task 4.1. SHOWCASE narrative explains in an effective manner 1) why people care about biodiversity; 2) what we can do, and; 3) how we can do it better.

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DOI: 10.3897/arphapreprints.e94590

Authors: Serena Rasconi, Hans-Peter Grossart, Alena Gsell, Bastiaan Willem Ibelings, Dedmer van de Waal, Ramsy Agha, Ariola Bacu, Maija Balode, Meryem Beklioğlu, Maja Berden Zrimec, Florina Botez, Tom Butler, Slawomir Cerbin, Angela Cortina, Michael Cunliffe, Thijs Frenken, Esther Garcés, Laura Gjyli, Yonatan Golan, Tiago Guerra, Ayis Iacovides, Antonio Idà, Maiko Kagami, Veljo Kisand, Jovica Leshoski, Pini Marco, Natasa Mazalica, Takeshi Miki, Maria Iasmina Moza, Sigrid Neuhauser, Deniz Özkundakci, Kristel Panksep, Suzana Patcheva, Branka Pestoric, Maya Petrova Stoyneva, Diogo Pinto, Juergen Polle, Carmen Postolache, Joaquín Pozo Dengra, Albert Reñé, Pavel Rychtecky, Dirk S. Schmeller, Bettina Scholz, Géza Selmeczy, Télesphore Sime-Ngando, Kálmán Tapolczai, Orhideja Tasevska, Ivana Trbojevic, Blagoy Uzunov, Silke Van den Wyngaert, Ellen van Donk, Marieke Vanthoor, Elizabeta Veljanoska Sarafiloska, Susie Wood, Petr Znachor

Abstract: Zoosporic parasites (i.e. fungi and fungi-like aquatic microorganisms) constitute important drivers of natural populations, causing severe host mortality. Economic impacts of parasitic diseases are notable in the microalgae biotech industry, affecting production of food ingredients, biofuels, pharma- and nutraceuticals.While scientific research on this topic is gaining traction by increasing studies elucidating the functional role of zoosporic parasites in natural ecosystems, we are currently lacking integrated and interdisciplinary efforts for effectively detecting and controlling parasites in the microalgae industry. To fill this gap we propose to establish an innovative, dynamic European network connecting scientists, industries and stakeholders to optimize information exchange, equalize access to resources and to develop a joint research agenda. ParAqua aims at compiling and making available all information on the occurrence of zoosporic parasites and their relationship with hosts, elucidate drivers and evaluate impacts of parasitism in natural and man-made aquatic environments. We aim to implement new tools for monitoring and prevention of infections, and to create protocols and a Decision Support Tool for detecting and controlling parasites in the microalgae biotech production. Applied knowledge on zoosporic parasites can feed back from industry to ecology, and we therefore will explore whether the developed tools can be applied for monitoring lakes and reservoirs. Short-Term Scientific Missions and Training Schools will be organised specifically for early stage scientists and managers – with a specific focus on ITC – with the aim to share and integrate both scientific and applied expertise and increase exchange between basic and applied researchers and stakeholders.

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DOI: 10.3897/rio.8.e90079

Authors: David Kleijn, Simon Potts, Erik Öckinger, Felix Herzog, Lena Luise Schaller, Ignasi Bartomeus, Kati Häfner, Vincent Bretagnolle, Anna Sapundzhieva

Abstract: The slow adoption by the agricultural sector of practices to promote biodiversity are thought to originate from three interrelated issues. First, we know little about which incentives effectively motivate farmers to integrate biodiversity into daily farm management. Second, few studies so far have produced evidence that biodiversity-based approaches produce benefits in terms of key variables for farmers (yield, profit). Third, there is a large communication gap between the scientists investigating biodiversity-based farming practices and the farmers who have to implement them. To overcome these barriers, SHOWCASE will review and test the effectiveness of a range of economic and societal incentives to implement biodiversity management in farming operations and examine farmer and public acceptance. Focus will be on three promising approaches: (i) result-based incentives, (ii) involvement in citizen science biodiversity monitoring and (iii) biodiversity-based business models. SHOWCASE will co-produce together with stakeholders solid interdisciplinary evidence for the agro-ecological and socio-economic benefits of biodiversity management in 10 contrasting farming systems across Europe. SHOWCASE will also design communication strategies that are tailor-made to farmers and other key stakeholders operating in different socio-economic and environmental conditions.SHOWCASE will develop a multi-actor network of 10 Experimental Biodiversity Areas in contrasting European farming systems that will be used for in-situ research on biodiversity incentives and evidence for benefits as well as knowledge exchange. This network will be used to identify and test biodiversity indicators and targets relevant to all stakeholders and use them in a learning-by-doing approach to improve benefits of biodiversity management on farms, both within the network and beyond.

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DOI: 10.3897/rio.8.e85859

Authors: Alexander Weigand, Szilárd-Lehel Bücs, Stanimira Deleva, Lada Lukić Bilela, Pierrette Nyssen, Kaloust Paragamian, Axel Ssymank, Hannah Weigand, Valerija Zakšek, Maja Zagmajster, Gergely Balázs, Shalva Barjadze, Katharina Bürger, William Burn, Didier Cailhol, Amélie Decrolière, Ferdinando Didonna, Azdren Doli, Tvrtko Drazina, Joerg Dreybrodt, Lana Ðud, Csaba Egri, Markus Erhard, Sašo Finžgar, Dominik Fröhlich, Grant Gartrell, Suren Gazaryan, Michel Georges, Jean-Francois Godeau, Ralf Grunewald, John Gunn, Jeff Hajenga, Peter Hofmann, Lee Knight, Hannes Köble, Nikolina Kuharic, Christian Lüthi, Cristian Munteanu, Rudjer Novak, Dainis Ozols, Matija Petkovic, Fabio Stoch, Bärbel Vogel, Ines Vukovic, Meredith Hall Weberg, Christian Zaenker, Stefan Zaenker, Ute Feit, Jean-Claude Thies

Abstract: This manuscript summarizes the outcomes of the 6th EuroSpeleo Protection Symposium. Special emphasis was laid on presenting and discussing monitoring activities under the umbrella of the Habitats Directive (EU Council Directive 92/43/EEC) for habitat type 8310 "Caves not open to the public" and the Emerald Network. The discussions revealed a high level of variation in the currently conducted underground monitoring activities: there is no uniform definition of what kind of underground environments the "cave" habitat should cover, how often a specific cave has to be monitored, and what parameters should be measured to evaluate the conservation status. The variation in spatial dimensions in national definitions of caves further affects the number of catalogued caves in a country and the number of caves to be monitored. Not always participants are aware of the complete national monitoring process and that data sets should be freely available or easily accessible. The discussions further showed an inherent dilemma between an anticipated uniform monitoring approach with a coherent assessment methodology and, on the contrary, the uniqueness of caves and subterranean biota to be assessed – combined with profound knowledge gaps and a lack of resources. Nevertheless, some good practices for future cave monitoring activities have been identified by the participants: (1) Cave monitoring should focus on bio- and geodiversity elements alike; (2) Local communities should be involved, and formal agreements envisaged; (3) Caves must be understood as windows into the subterranean realm; (4) Touristic caves should not be excluded ad-hoc from regular monitoring; (5) New digital tools and open FAIR data infrastructures should be implemented; (6) Cave biomonitoring should focus on a large(r) biological diversity; and (7) DNA-based tools should be integrated. Finally, the importance of the 'forgotten' Recommendation No. 36 from the Bern Convention as a guiding legal European document was highlighted.

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DOI: 10.3897/rio.7.e77750

Authors: Thibault Datry, Daniel Allen, Roger Argelich, Jose Barquin, Nuria Bonada, Andrew Boulton, Flora Branger, Yongjiu Cai, Miguel Cañedo-Argüelles, Núria Cid, Zoltán Csabai, Martin Dallimer, José Carlos de Araújo, Steven Declerck, Thijs Dekker, Petra Döll, Andrea Encalada, Maxence Forcellini, Arnaud Foulquier, Jani Heino, Franck Jabot, Patrícia Keszler, Leena Kopperoinen, Sven Kralisch, Annika Künne, Nicolas Lamouroux, Claire Lauvernet, Virpi Lehtoranta, Barbora Loskotová, Rafael Marcé, Julia Martin Ortega, Christine Matauschek, Marko Miliša, Szilárd Mogyorósi, Nabor Moya, Hannes Müller Schmied, Antoni Munné, François Munoz, Heikki Mykrä, Irina Pal, Riikka Paloniemi, Petr Pařil, Polona Pengal, Bálint Pernecker, Marek Polášek, Carla Rezende, Sergi Sabater, Romain Sarremejane, Guido Schmidt, Lisette Senerpont Domis, Gabriel Singer, Esteban Suárez, Matthew Talluto, Sven Teurlincx, Tim Trautmann, Amélie Truchy, Emmanouil Tyllianakis, Sari Väisänen, Liisa Varumo, Jean-Philippe Vidal, Annika Vilmi, Dolors Vinyoles

Abstract: River networks are among Earth’s most threatened hot-spots of biodiversity and provide key ecosystem services (e.g., supply drinking water and food, climate regulation) essential to sustaining human well-being. Climate change and increased human water use are causing more rivers and streams to dry, with devastating impacts on biodiversity and ecosystem services. Currently, more than a half of the global river networks consist of drying channels, and these are expanding dramatically. However, drying river networks (DRNs) have received little attention from scientists and policy makers, and the public is unaware of their importance. Consequently, there is no effective integrated biodiversity conservation or ecosystem management strategy of DRNs.A multidisciplinary team of 25 experts from 11 countries in Europe, South America, China and the USA will build on EU efforts to assess the cascading effects of climate change on biodiversity, ecosystem functions and ecosystem services of DRNs through changes in flow regimes and water use. DRYvER (DRYing riVER networks) will gather and upscale empirical and modelling data from nine focal DRNs (case studies) in Europe (EU) and Community of Latin American and Caribbean States (CELAC) to develop a meta-system framework applicable to Europe and worldwide. It will also generate crucial knowledge-based strategies, tools and guidelines for economically-efficient adaptive management of DRNs. Working closely with stakeholders and end-users, DRYvER will co-develop strategies to mitigate and adapt to climate change impacts in DRNs, integrating hydrological, ecological (including nature-based solutions), socio-economic and policy perspectives. The end results of DRYvER will contribute to reaching the objectives of the Paris Agreement and placing Europe at the forefront of research on climate change.

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DOI: 10.3897/rio.7.e77666

Authors: Judita Tomaskinova, Davide Geneletti, Lynn Dicks, Miriam Grace, Marcus Collier, Davide Longato, Pavel Stoev, Anna Sapundzhieva, Mario Balzan

Abstract: This article presents teaching and learning material from three strategically designed ReNature Horizon 2020 project training activities. A total of twelve presentations covering different aspects of NbS implementation are presented with this article. Additionally, this article also includes materials produced by learners, throughout their work within self-organised groups carried out during the Second ReNature Training School. This is the second article publishing teaching and learning material arising from the ReNature project.

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DOI: 10.3897/rio.5.e48898

Authors: Oana Teodora Moldovan, Rannveig Øvrevik Skoglund, Horia Leonard Banciu, Alexandra Dinu Cucoș, Erika Andrea Levei, Aurel Perșoiu, Stein-Erik Lauritzen

Abstract: In the past 100 years, a decreasing rainfall trend has been recorded on Romanian territory, a trend that continues today. Therefore, realistic estimation of the groundwater resources is crucial, especially for the rural communities lacking the economic power to use alternative sources of drinking water. The groundwater sources used by rural communities in Romania generally originate directly from caves, wells or springs with no proper evaluation of the water quality. Groundwater is exposed to different pollutants, as bats' guano in caves, fertilizers in agricultural areas or livestock (cattle, sheep, goats, etc.) farms on the surface. On the other hand, the water extracted directly from inside the caves is affecting groundwater ecosystems, highly vulnerable to any human impact and neglected by European legislation so far. The project aims to monitor, during two consecutive years, groundwater sources with different degrees of above- and underground pollution, from different regions of Romania. To achieve the goals of the project, a multidisciplinary monitoring strategy that will include measurements of hydrological, physico-chemical and biological (microbiology and aquatic invertebrates’ assessment) parameters alongside the quantification of radon and stable isotopes, rainfall or possible inflows of water. The specific outcomes of this project are: i) to test, develop and validate a new, more rapid and efficient method for monitoring and risk assessment of groundwater sources – and not only – by using molecular techniques, and propose this method to the water agencies in Romania; ii) to propose for Romanian authorities to implement a harmonized coherent methodology to measure radon concentration in water, as a consequence of EURATOM Directive; and iii) to educate local communities that are using groundwater as source for drinking water and raise young people’s awareness on the benefits of ecosystem services provided by the groundwater.

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DOI: 10.3897/rio.5.e38915

Authors: Maria Kahlert, Anders Alfjorden, Katherine Apunte-Ramos, Bonnie Bailet, Javier Pérez Burillo, Andrea Greta Carrera Gonzalez, David Castro, Cecilia Di Bernardi, Verena Dully, Judit Fekete, Larissa Frühe, Raquel González, Eirini Gratsia, Jasna Hanjalić, Jasmina Kamberović, Ann-Marie Kelly, Carlotta Meriggi, Ilkka Nousiainen, Sarah Ørberg, James Orr, Cintia Quintana, Athina Papatheodoulou, Jasmina Sargac, Muhammad Shahbaz, Kálmán Tapolczai, Katarina Tosic, Isa Wallin, Maša Zupančič, Patrik Bohman, Pier Luigi Buttigieg, Norbert Häubner, Florian Leese, Jan Macher, Sari Peura, Tomas Roslin, Malin Strand, Olle Terenius, Valentin Vasselon, Alexander M. Weigand

Abstract: This report presents the outcome of the joint work of PhD students and senior researchers working with DNA-based biodiversity assessment approaches with the goal to facilitate others the access to definitions and explanations about novel DNA-based methods. The work was performed during a PhD course (SLU PNS0169) at the Swedish University of Agricultural Sciences (SLU) in Uppsala, Sweden. The course was co-organized by the EU COST research network DNAqua-Net and the SLU Research Schools Focus on Soils and Water (FoSW) and Ecology - basics and applications. DNAqua-Net (COST Action CA15219, 2016-2020) is a network connecting researchers, water managers, politicians and other stakeholders with the aim to develop new genetic tools for bioassessment of aquatic ecosystems in Europe and beyond. The PhD course offered a comprehensive overview of the paradigm shift from traditional morphology-based species identification to novel identification approaches based on molecular markers. We covered the use of molecular tools in both basic research and applied use with a focus on aquatic ecosystem assessment, from species collection to the use of diversity in environmental legislation. The focus of the course was on DNA (meta)barcoding and aquatic organisms. The knowledge gained was shared with the general public by creating Wikipedia pages and through this collaborative Open Access publication, co-authored by all course participants.

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DOI: 10.3897/rio.5.e33400

Authors: Mary Kelly-Quinn, Michael Bruen, Jens Carlsson, Angela Gurnell, Helen Jarvie, Jeremy Piggott

Abstract: This paper outlines the research being undertaken by the recently-initiated four-year (to March 2022) project on the small stream network in Ireland (SSNet) funded by the Irish Environmental Protection Agency (EPA). The overarching objective of SSNet is to advance knowledge on the role of small streams in water quality, biodiversity and ecosystem services protection that will inform policy, measures and management options to meet water quality and other resources protection targets. The project will start with a synthesis of available information on the importance of small streams to initiate communication with stakeholders and introduce the project. This will be followed by a compilation and analysis of existing data on small streams in Ireland to inform the selection of sites for the proposed research. Three work packages will collect new data on hydrochemistry with a focus on the nutrient retention potential of headwater streams, hydromorphology and biodiversity. All three investigations will share common sites to enable interconnections between the three elements to be explored and provide an integrated approach to the research. Modelling based on the results from each of the aforementioned tasks will be used to estimate the level of intervention in the small stream network required to have measurable effects throughout a catchment on both water quality (N, P & sediment) and flows, and overall delivery/maintenance of ecosystem services. We will also engage volunteers in both biological water quality and hydromorphological assessments and evaluate the potential of citizen science in facilitating greater monitoring coverage of the small stream network.

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DOI: 10.3897/rio.4.e31430

Authors: René Véron, Nishara Fernando, N. C. Narayanan, Bishnu Upreti, Babu Ambat, Ranga Pallawala, Sudarshan Rajbhandari, Swetha Rao Dhananka, Christian Zurbrügg

Abstract: Municipal solid waste management (MSWM) has become one of the most pressing environmental issues in South Asian cities, the more so as it is closely linked to drinking water quality, sanitation and human health affecting mostly the urban poor, as well as to global climate change. Looking at recent governance initiatives in three South Asian cities developed in the wake of natural or human-induced crises, the project will focus on how to render MSWM improvements politically feasible and socially acceptable, which is a pre-requisites for functioning SWM systems, and thus for (environmental and social) sustainability more generally. The goal of this project, therefore, is to identify, analyze and promote the political and sociocultural processes that are necessary to enable the functioning of MSWM systems. In particular, alternative practices and systems are promoted, whereby institutional hierarchies are decentralized, favoring horizontal accountabilities and whereby waste chains are shortened and transformed into closed loops implying a more circular waste economy in which both environmental and local livelihood benefits would accrue. The project puts emphasis on mutual learning through horizontal South-South partnerships between local authorities, civil society actors and researchers across South Asia.

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DOI: 10.3897/rio.4.e29319

Authors: Dasapta Irawan, Thomas Putranto, Achmad Darul

Abstract: The regional environmental changes are affecting groundwater ecosystems in Semarang area. The development of new settlements, industrial complexes, and trade centers have degraded the groundwater setting of the city, which serves as the capital of Central Java Province. This has led us to compile several groundwater quality dataset that have been taken from 1992 to 2007. Our original motivation is to come up with an open dataset that can be used as the baseline for groundwater monitoring. The dataset consists of 58 samples were taken in 1992, 1993, 2003, 2006, and 2007 using well point data from several reports from Ministry of Energy and Mineral Resources, engineering consultants, as well as from researchers from Universitas Diponegoro and Institut Teknologi Bandung. Each site has a set of 20 physical and chemical variables.

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DOI: 10.3897/rio.4.e23957

Authors: Adam Hambly, Colin Stedmon

Abstract: FluorRAS will develop a sensor that can save recycled fish farms 30% per year in water and energy consumption for water treatment, as well as optimize nitrogen removal. The sensor will be developed in a partnership between engineers (Krüger A / S) and researchers (DTU), and the product will be made available to the entire sector through Danish Aquaculture. Global aquaculture production is expected to double within the next 15 years. Recycling technology has a great potential for supporting environmentally and economically sustainable production. However, the technology has some challenges in balancing both the maintenance of necessary water quality and water treatment costs. Loss of production due to poor water quality is expensive and can be avoided with correct sensor systems. Accumulation of dissolved organic matter and nutrients in the water reduce the effectiveness of UV treatment, is a source of nutrition for opportunistic pathogens, and reduces the effectiveness of the biofilter's removing ammonia. Modern recycling systems are therefore dependent on a network of online sensors that monitor and respond to changes in water quality, but currently there is a need for a sensor to monitor the accumulation of organic matter. FluoRAS aims to fill this gap in technology by developing an online fluorescence sensor. The sensor is based on non-destructive, online optical technology that does not require chemicals and can run continuously.

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DOI: 10.3897/rio.3.e21305

Authors: Kristina Ek, Susana Goytia, Carina Lundmark, Soili Nysten-Haarala, Maria Pettersson, Annica Sandström, Johanna Söderasp, Jesper Stage

Abstract: Two systems working in parallel have contributed to implementation difficulties in Swedish water governance. While the old system is designed to be predictable and stable over time, the new system is intended to be transparent and holistic, guided by the principles of Integrated Water Resource Management. The paper disentangles the challenges in Swedish water governance and proposes a blueprint for future research. The proposed research project is unique in the sense that it explores the imbalances between the new and the old water governance systems from a multi-disciplinary perspective, elaborating upon the clashes between the traditional, nationally based regulatory system and the new holistic water governance system from legal, political and economic perspectives.

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DOI: 10.3897/rio.3.e13828

Authors: Gregory Valatin, Jens Abildtrup, Cristian Accastello, Abdel Rahman Al-Tawaha, Maria-Beatrice Andreucci, Silvia Atanasova, Mersudin Avdibegović, Nikolina Baksic, Kazimierz Banasik, Jose Barquin, Johan Barstad, Viera Bastakova, Dzenan Becirovic, Santiago Begueria, Uldis Bethers, Maria Bihunova, Bosko Blagojevic, Matthias Bösch, Thomas Bournaris, Yiying Cao, Claudia Carvalho-Santos, Alexander Chikalanov, Maria Cunha e Sá, Krzysztof Czyżyk, Hamed Daly, Helen Davies, Antonio Del Campo, Rudolf de Groot, Rik De Vreese, Tomáš Dostál, Abdelmohssin El Mokaddem, Leena Finér, Rhys Evans, Julien Fiquepron, Magdalena Frac, Martyn Futter, Serge Garcia, Paola Gatto, Davide Geneletti, Veronika Gezik, Carlo Giupponi, María González-Sanchís, Fernando Gordillo, Elena Gorriz, Yulia Grigorova, Katrin Heinsoo, Eduard Hochbichler, Lars Högbom, Mike Image, Jette Jacobsen, Anže Japelj, Sreten Jelic, Jürgen Junk, Csaba Juhasz, Ifigenia Kagalou, Mary Kelly-Quinn, Anna Klamerus-Iwan, Tatiana Kluvankova, Roland Koeck, Iskra Konovska, Silvija Ostoic, Janez Krc, Vasyl Lavnyy, Alessandro Leonardi, Zane Libiete, Declan Little, Antonio Lo Porto, Athanasios Loukas, Mariyana Lyubenova, Bruno Maric, Javier Martínez-López, Inazio Martinez, Alexandru Maxim, Marek Metslaid, Alison Melvin, Mihai Costică, Ivan Mincev, Zymantas Morkvenas, Radovan Nevenic, Tom Nisbet, Daire O'hUallachain, Roland Olschewski, Johan Östberg, Karolina Oszust, Paola Ovando, Alessandro Paletto, Taras Parpan, Davide Pettenella, Špela Malovrh, Špela Planinšek, Radka Podlipná, Stjepan Posavec, Kristina Potočki, Irina Prokofieva, Paula Quinteiro, Laszlo Radocz, Ratko Ristic, Nicolas Robert, Benedetto Rugani, Jelena Sabanovic, Zuzana Sarvasova, Snezana Savoska, Patrick Schleppi, Gebhard Schueler, Margaret Shannon, Martyn Silgram, Bojan Srdjevic, Gavril Stefan, Aleksandar Stijovic, Niels Strange, Sirkka Tattari, Aco Teofilovski, Mette Termansen, Bo Thorsen, Attila Toth, Ivonne Trebs, Novica Tmušić, Lampros Vasiliades, Suzanne Vedel, Kateřina Ventrubová, Dijana Vuletic, Georg Winkel, Richard Yao, Sarah Young, Rasoul Yousefpour, Lyudmyla Zahvoyska, Daowei Zhang, Jianhua Zhou, Eva Žižková

Abstract: The EU Water Framework Directive aims to ensure restoration of Europe’s water bodies to “good ecological status” by 2027. Many Member States will struggle to meet this target, with around half of EU river catchments currently reporting below standard water quality. Diffuse pollution from agriculture represents a major pressure, affecting over 90% of river basins. Accumulating evidence shows that recent improvements to agricultural practices are benefiting water quality but in many cases will be insufficient to achieve WFD objectives. There is growing support for land use change to help bridge the gap, with a particular focus on targeted tree planting to intercept and reduce the delivery of diffuse pollutants to water. This form of integrated catchment management offers multiple benefits to society but a significant cost to landowners and managers.New economic instruments, in combination with spatial targeting, need to be developed to ensure cost effective solutions – including tree planting for water benefits - are realised. Payments for Ecosystem Services (PES) are flexible, incentive-based mechanisms that could play an important role in promoting land use change to deliver water quality targets. The PESFOR-W COST Action will consolidate learning from existing woodlands for water PES schemes in Europe and help standardize approaches to evaluating the environmental effectiveness and cost-effectiveness of woodland measures. It will also create a European network through which PES schemes can be facilitated, extended and improved, for example by incorporating other ecosystem services linking with aims of the wider forests-carbon policy nexus.

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DOI: 10.3897/rio.2.e11321

Authors: Florian Leese, Florian Altermatt, Agnès Bouchez, Torbjørn Ekrem, Daniel Hering, Kristian Meissner, Patricia Mergen, Jan Pawlowski, Jeremy Piggott, Frédéric Rimet, Dirk Steinke, Pierre Taberlet, Alexander Weigand, Kessy Abarenkov, Pedro Beja, Lieven Bervoets, Snaedís Björnsdóttir, Pieter Boets, Angela Boggero, Atle Bones, Ángel Borja, Kat Bruce, Vojislava Bursić, Jens Carlsson, Fedor Čiampor, Zuzana Čiamporová-Zatovičová, Eric Coissac, Filipe Costa, Marieta Costache, Simon Creer, Zoltán Csabai, Kristy Deiner, Ángel DelValls, Stina Drakare, Sofia Duarte, Tina Eleršek, Stefano Fazi, Cene Fišer, Jean-François Flot, Vera Fonseca, Diego Fontaneto, Michael Grabowski, Wolfram Graf, Jóhannes Guðbrandsson, Micaela Hellström, Yaron Hershkovitz, Peter Hollingsworth, Bella Japoshvili, John Jones, Maria Kahlert, Belma Kalamujic Stroil, Panagiotis Kasapidis, Martyn Kelly, Mary Kelly-Quinn, Emre Keskin, Urmas Kõljalg, Zrinka Ljubešić, Irena Maček, Elvira Mächler, Andrew Mahon, Marketa Marečková, Maja Mejdandzic, Georgina Mircheva, Matteo Montagna, Christian Moritz, Vallo Mulk, Andreja Naumoski, Ion Navodaru, Judit Padisák, Snæbjörn Pálsson, Kristel Panksep, Lyubomir Penev, Adam Petrusek, Martin Pfannkuchen, Craig Primmer, Baruch Rinkevich, Ana Rotter, Astrid Schmidt-Kloiber, Pedro Segurado, Arjen Speksnijder, Pavel Stoev, Malin Strand, Sigitas Šulčius, Per Sundberg, Michael Traugott, Costas Tsigenopoulos, Xavier Turon, Alice Valentini, Berry van der Hoorn, Gábor Várbíró, Marlen Vasquez Hadjilyra, Javier Viguri, Irma Vitonytė, Alfried Vogler, Trude Vrålstad, Wolfgang Wägele, Roman Wenne, Anne Winding, Guy Woodward, Bojana Zegura, Jonas Zimmermann

Abstract: The protection, preservation and restoration of aquatic ecosystems and their functions are of global importance. For European states it became legally binding mainly through the EU-Water Framework Directive (WFD). In order to assess the ecological status of a given water body, aquatic biodiversity data are obtained and compared to a reference water body. The quantified mismatch obtained determines the extent of potential management actions. The current approach to biodiversity assessment is based on morpho-taxonomy. This approach has many drawbacks such as being time consuming, limited in temporal and spatial resolution, and error-prone due to the varying individual taxonomic expertise of the analysts. Novel genomic tools can overcome many of the aforementioned problems and could complement or even replace traditional bioassessment. Yet, a plethora of approaches are independently developed in different institutions, thereby hampering any concerted routine application. The goal of this Action is to nucleate a group of researchers across disciplines with the task to identify gold-standard genomic tools and novel eco-genomic indices for routine application in biodiversity assessments of European fresh- and marine water bodies. Furthermore, DNAqua-Net will provide a platform for training of the next generation of European researchers preparing them for the new technologies. Jointly with water managers, politicians, and other stakeholders, the group will develop a conceptual framework for the standard application of eco-genomic tools as part of legally binding assessments.

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DOI: 10.3897/rio.2.e9841

Authors: Dasapta Irawan, Adhi Priyambodho, Cut Rachmi, Dimas Wibowo, Andita Fahmi

Abstract: This paper is an example to visualize bibliometric data to extract paper’s topics and their citation relation. It is very important to evaluate the number of documents, the intensity of the paper’s topic, and the relationship between papers. The output can be used to pinpoint suitable research topic. We began with 246 papers, gathered from Google Scholar, Crossref, and Scopus database. We narrowed them down to 70 papers based on language, relevance, pdf availability, and metadata completeness. Open source tools, Vosviewer, Zotero-PaperMachine plugin, were used to visualize the existing reference database. The following paper gives an illustration that a brief bibliometric analysis could assist a researcher to determine our research path. It gives us a glimpse of research landscape in Jakarta area. Therefore for deeper analysis, we will focus our literature review on groundwater and surface water interactions.

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DOI: 10.3897/rio.2.e9419

Authors: Jeri Fey, Suzanne Anderson

Abstract:

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DOI: 10.3897/rio.2.e9232

Authors: Pekka Neittaanmäki, Timo Huttula, Juha Karvanen, Tom Frisk, Jouni Tuomisto, Antti Simola, Tero Tuovinen, Janne Ropponen

Abstract: Open data and models are becoming increasingly available, but there are not yet good methods and platforms to turn those into systematic evidence-based decision support. Unicorn will produce such an enviro­­nment based on existing theoretical and practical knowledge about decision support and models. This con­sortium possesses the necessary models, data, and skills to set up an environment and demonstrate its func­tionality and usefulness with several case studies related to the environmental issues, human health, and economy. The Unicorn environment will be built in a generic and systematic way so that it could even be­come an international standard for evidence-based decision support. Developing a technical environment or standard is not enough. Using the Unicorn environment is a large cul­­tural change for both researchers and decision makers, as the current decision support practices do not re­flect the principles of openness, criticism, or reuse. Therefore, this cultural change must be promoted by train­ing to use the environment, by informing the society about its possibilities, and solving a number of practi­cal and technical problems related to current practices in research institutes, ministries, and municipalities. We acknowledge these problems and offer solutions to them with an extensive interaction plan.

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