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A Bayesian framework to objectively combine metrics when developing stressor specific multimetric indicator ArchiMer
Drouineau, Hilaire; Lobry, Jeremy; Delpech, C.; Bouchoucha, Marc; Mahevas, Stephanie; Courrat, A.; Pasquaud, S.; Lepage, M..
In the context of the European Water Framework Directive (WFD), monitoring programs and related indicators have been developed to assess anthropogenic impacts on various components of aquatic ecosystems. While great precautions are usually taken when selecting and calculating relevant core metrics, little attention is generally paid to the generation of the multimetric indicator, i.e. the combination of the different core metrics. Indeed, most multimetric indicators are generated by simply averaging or summing metrics, without taking into account their sensitivity and their variability. Moreover, few indicators provide a rigorous estimate of the uncertainty of the assessments, while this estimation is essential for managers. In this context, we developed a...
Tipo: Text Palavras-chave: Multimetric fish-based indicator; Bayesian method; Pressure-impact models; Water Framework Directive; Anthropogenic pressure; Monitoring program; Transitional waters.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00049/16037/13572.pdf
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A fish-based index of estuarine ecological quality incorporating information from both scientific fish survey and experts knowledge ArchiMer
Tableau, Adrien; Drouineau, Hilaire; Delpech, C.; Pierre, M.; Lobry, J.; Le Pape, O.; Breine, J.; Lepage, Mario.
In the Water Framework Directive (European Union) context, a multimetric fish based index is required to assess the ecological status of French estuarine water bodies. A first indicator called ELFI was developed, however similarly to most indicators, the method to combine the core metrics was rather subjective and this indicator does not provide uncertainty assessment. Recently, a Bayesian method to build indicators was developed and appeared relevant to select metrics sensitive to global anthropogenic pressure, to combine them objectively in an index and to provide a measure of uncertainty around the diagnostic. Moreover, the Bayesian framework is especially well adapted to integrate knowledge and information not included in surveys data. In this context,...
Tipo: Text Palavras-chave: Anthropogenic pressure; Bayesian method; Expert judgement; Multimetric fish-based indicator; Prior information; Water Framework Directive.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00146/25700/24029.pdf
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A Multi-Criteria Approach for Irrigation Water Management AgEcon
Saraiva, Joao Paulo; Pinheiro, Antonio Cipriano.
The major implications that the European Union (EU) Water Framework Directive (WFD) may have in irrigated agriculture were analysed using alternative water policy measures. The consequences of policy change were evaluated in a case study (Baixo Alentejo, Portugal), using a Multi-Criteria Decision Making (MCDM) model that simulates farmers’ preferred behaviour. The study compares the effects of water pricing (volumetric and flat tariffs) and consumption quotas, in farmer’s income, water agency revenues, agricultural employment and water demand for irrigation. Model results indicate that the adjustments in farmer’s responses are dependent on the policy strategy enforced and on the policy level.
Tipo: Journal Article Palavras-chave: Water Framework Directive; Flat Pricing; Volumetric Pricing; Multi- Objective Programming; Water Management; Portugal.
Ano: 2007 URL: http://purl.umn.edu/42143
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ANALIZING WATER FRAMEWORK DIRECTIVE IMPACTS USING A MULTINOMIAL LOGIT LAND USE MODEL AgEcon
Fezzi, Carlo; Bateman, Ian J.; Day, Brett H.; Posen, Paulette; Rigby, Dan.
We develop a two-stage, multinomial logit model of UK land use to investigate the impact of policy changes upon agriculture. The model utilizes a large panel database covering the entirety of England and Wales for 14 years between 1969 and 2004 integrated with the economic and physical environment determinants of all major agricultural land use types. Our model performs well in out-of-sample prediction of current land use and we use it to assess a proposed implementation of the Water Framework Directive via a tax on fertilizer. Results indicate that such policy change would generate substantial switching from arable to grassland systems, reducing significantly the amount of nitrate leaching into UK water-bodies.
Tipo: Conference Paper or Presentation Palavras-chave: Water Framework Directive; Land use models; Discrete choice models; Multinomial logit; Agricultural and Food Policy; Land Economics/Use; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/6666
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Détermination de Valeurs Guides Environnementales (VGE) mollusques alternatives aux Normes de Qualité Environnementale (NQE) définies dans la DCE ArchiMer
Sire, Alizee; Amouroux, Isabelle.
The Water Framework Directive (DCE 2000/60/CE), aims to achieve the good conditions (chemical and ecological) of different waters in Europe. The Environmental Quality Standards (EQS) are the tools used to evaluate the chemical condition waters. Initially, the EQS are defined for the water matrix, but with the analytical difficulties and low spatial and temporal representativity of water samples, the monitoring of contaminants must be carried out on alternative matrices, as mollusks and particularly the mussels. Among the 45 priority and dangerous priority substances establishes by the WFD 2013/39/UE, 25 substances are hydrophobic and bioaccumulable. The main goal of this study is to determine thresholds applicable in the mussels at least as protective as...
Tipo: Text Palavras-chave: Norme de Qualité Environnementale; Valeur Guide Environnementale; Mollusques; Moules; Facteur de bioconcentration (BCF); Facteur de bioaccumulation (BAF); Modèles QSAR; Directive Cadre sur l’Eau.; Environmental Quality Standards; Thresholds; Mollusks; Mussels; Bioconcentration factor (BCF); Bioaccumulation factor (BAF); QSAR models; Water Framework Directive.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00333/44378/43991.pdf
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Development and Use of a Bioeconomic Model for Management of Mussel Fisheries under Different Nutrient Regimes in the Temperate Estuary of the Limfjord, Denmark Ecology and Society
Timmermann, Karen; Department of Bioscience, Aarhus University, Roskilde, Denmark; kti@dmu.dk; Dinesen, Grete E.; Section for Coastal Ecology, National Institute of Aquatic Science, Technical University of Denmark, Charlottenlund, Denmark; gdi@aqua.dtu.dk; Markager, Stiig; Department of Bioscience, Aarhus University, Roskilde, Denmark; markager@dmu.dk; Ravn-Jonsen, Lars; Department of Environmental and Business Economics, University of Southern Denmark, Esbjerg, Denmark; lrj@sam.sdu.dk; Bassompierre, Marc; Novo Nordisk A/S, Kalundborg, Denmark; mbass@post9.tele.dk; Roth, Eva; Department of Environmental and Business Economics, University of Southern Denmark, Esbjerg, Denmark; er@sam.sdu.dk.
Coastal ecosystems worldwide are under pressure from human-induced nutrient inputs, fishing activities, mariculture, construction work, and climate change. Integrated management instruments handling one or more of these problems in combination with socioeconomic issues are therefore necessary to secure a sustainable use of resources. In the Limfjord, a temperate eutrophic estuary in Denmark, nutrient load reductions are necessary to fulfill EU regulations such as the Water Framework Directive (WFD). The expected outcome of these load reductions is an improved water quality, but also reduced production of the abundant stock of filter-feeding blue mussels, Mytilus edulis. This is expected to have significant economic consequences for the million-euro mussel...
Tipo: Peer-Reviewed Synthesis Palavras-chave: Decision support system; Ecological-socioeconomic model; Eutrophication; Mussel production; Nutrient loading; Predictive models; System-based management; Water Framework Directive.
Ano: 2014
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Développement d’outils de classement de qualité des eaux côtières et de transition pour la DCE. Elément de qualité « schorres ». ArchiMer
Rossi, Nadège.
Among the biological quality elements monitored under the WFD, salt marshes are still not assessed in France. To evaluate ways to develop an assessment tool for this biological quality element, methodologies already applied by other member states have been identified and analyzed. Despite a very thorough job in assessing the ecological status of salt marshes, no pressure-impact relationship has been demonstrated. In addition, the pressures identified are related to the hydromorphological characteristics. A study was conducted to study saltmarshes not as a biological quality element but as a hydromorphological quality element. It shows that with simple procedure, it is possible to follow the evolution of the total area of salt marshes which can give...
Tipo: Text Palavras-chave: Schorres; Directive Cadre sur l’Eau; État écologique; État hydromorphologique; Façade Manche- Atlantique; Salt marshes; Water Framework Directive; Ecological status; Hydromorphological status; Channel- Atlantic coast.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00398/50896/51668.pdf
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Enhancing Irrigation Efficiency but Increasing Water Use: The Jevons' Paradox AgEcon
Gomez, Carlos Mario; Gutierrez, Carlos.
In this paper we analyze the conditions under which increasing technical efficiency of water use in the agricultural sector might not reduce water demand and pressures on water ecosystems. Departing from this basic problem we discuss how policy measures performed to enhance water productivity in the agriculture might be transformed into effective alternatives to improve the conservation of water resources and then guarantee the successful implementation of the Water Framework Directive. A preference revelation model is presented in the third section of the paper and one empirical application to an irrigation district in southern Spain is used in the fourth section to discuss the effectiveness of water savings measures.
Tipo: Conference Paper or Presentation Palavras-chave: Water Framework Directive; Water Economics; Agricultural Economics; Simulation Models; Preference Revelation.; Resource /Energy Economics and Policy.
Ano: 2011 URL: http://purl.umn.edu/114622
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Études méthodologiques développées à l'échelle nationale. Livrable 1 – Confiance et précision pour l'indicateur M-AMBI ArchiMer
Brun, Mélanie.
The index used by France to assess the quality of coastal water bodies of the Water Framework Directive (WFD), for the Channel-Atlantic coast and for the quality element "soft substratum benthic invertebrates" is the M-AMBI. In their work, Sigovini et al. (2013) compare several methods of calculating M-AMBI and alternative indices with the values of M-AMBI. Their results show strong correlations between the values of the M-AMBI and those of the proposed alternatives. In a first step, the present work aims to compare M-AMBI values, obtained during the application of the assessment procedure of the quality of coastal water bodies for the Channel-Atlantic coast on the 2007 and 2010 data, with the values obtained for various alternative calculations and...
Tipo: Text Palavras-chave: M-AMBI; Richesse; Indice de Shannon-Weaver; AMBI; Analyse factorielle; Directive Cadre sur l’Eau; Contrôles de surveillance 2007 et 2010; Standardisation; Bootstrap; Invertébrés benthiques; Manche-Atlantique; M-AMBI; Richness; Shannon-Weaver index; AMBI; Factor analysis; Water Framework Directive; Monitoring 2007 and 2010; Standardization; Bootstrap; Benthic invertebrates; Channel-Atlantic coast.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00333/44394/44025.pdf
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EU Water Governance: Striking the Right Balance between Regulatory Flexibility and Enforcement? Ecology and Society
Green, Olivia O; U.S. Environmental Protection Agency; green.olivia@epa.gov; Garmestani, Ahjond S.; U.S. Environmental Protection Agency; garmestani.ahjond@epa.gov; van Rijswick, Helena F. M. W.; Centre for Environmental Law and Policy, Utrecht University; H.vanRijswick@law.uu.nl; Keessen, Andrea M.; Centre for Environmental Law and Policy, Utrecht University; a.m.keessen@uu.nl.
Considering the challenges and threats currently facing water management and the exacerbation of uncertainty by climate change, the need for flexible yet robust and legitimate environmental regulation is evident. The European Union took a novel approach toward sustainable water resource management with the passage of the EU Water Framework Directive in 2000. The Directive promotes sustainable water use through long-term protection of available water resources, progressively reduces discharges of hazardous substances in ground and surface waters, and mitigates the effects of floods and droughts. The lofty goal of achieving good status of all waters requires strong adaptive capacity, given the large amounts of uncertainty in water management. Striking the...
Tipo: Peer-Reviewed article Palavras-chave: Adaptive governance; Environmental law; European Union; Resilience; Water Framework Directive.
Ano: 2013
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Exploiting Soil-Management Strategies for Climate Mitigation in the European Union: Maximizing “Win–Win” Solutions across Policy Regimes Ecology and Society
Henriksen, Christian Bugge; Department of Agriculture and Ecology, Faculty of Life Sciences, University of Copenhagen; cbh@life.ku.dk; Hussey, Karen; The Fenner School of Environment and Society, The Australian National University; karen.hussey@anu.edu.au; Holm, Peter E.; Department of Basic Sciences and Environment, Faculty of Life Sciences, University of Copenhagen; peho@life.ku.dk.
The Intergovernmental Panel on Climate Change (IPCC) has identified a number of soil-management strategies that can be implemented to reduce GHG emissions. However, before deciding which of these strategies are most appropriate in any given situation, it is important to investigate how these strategies affect other aspects of sustainable development. For instance, some attempts to sequester carbon in the landscape could alter the soil’s capacity to filter water. Alternatively, other strategies could unintentionally increase net energy consumption through greater fertilizer use. Focusing specifically on opportunities to implement soil-management strategies in the European Union (EU), we discuss the synergies and trade-offs of those strategies with...
Tipo: Peer-Reviewed Synthesis Palavras-chave: Climate Action and Energy Package; Climate change mitigation; Common Agricultural Policy; Energy security; European Union; Greenhouse gas emissions; Soil management; Water Framework Directive.
Ano: 2011
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Facilitating Transitional Processes in Rigid Institutional Regimes for Water Management and Wetland Conservation: Experience from the Guadalquivir Estuary Ecology and Society
Amezaga, Jaime M.; Institute for Research on Environment and Sustainability, University of Newcastle; jaime.amezaga@newcastle.ac.uk.
Traditional policies for water resources management and wetland conservation are often based on command-and-control approaches. The latter tend to drive the human–wetland–water system into pathological states, characterized by more vulnerable ecosystems and rigid institutions for governance. The overcoming of these states may rest in the development of flexible and adaptive institutional regimes that rely on adaptive governance and management. Because past factors might constrain the implementation of more flexible adaptive approaches to management, it is important to understand the historical mechanisms underlying the genesis of institutional rigidity. We first present the results of a historical analysis of Doñana, which can...
Tipo: Peer-Reviewed Reports Palavras-chave: Action research; Adaptive cycle; Adaptive management; Command and control; Doñ Ana; Guadalquivir Estuary; Path dependence; Rigid institutional regimes; Water Framework Directive.
Ano: 2012
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Live benthic foraminiferal faunas from the French Mediterranean Coast: Towards a new biotic index of environmental quality ArchiMer
Barras, Christine; Jorissen, Frans J.; Labrune, Celine; Andral, Bruno; Boissery, Pierre.
In this study, living (Rose Bengal stained) foraminiferal faunas from 31 stations along the entire French Mediterranean Sea coast except Corsica have been analysed. In the context of the Water Framework Directive, the aim was to develop a biotic index to evaluate the benthic ecosystem quality. Therefore, different faunal parameters (diversity indices, wall structure proportion, and indicative species groups) have been tested to determine their relevance as indicators of environmental conditions. The best results are obtained with a biotic index based on the relative proportion of stress-tolerant taxa. For ecosystem quality evaluation, it is essential to distinguish between natural and anthropogenic eutrophication phenomena. In order to do so, we applied a...
Tipo: Text Palavras-chave: Coastal Mediterranean Sea; Foraminiferal faunas; Indicative species; Tolerant species; Biotic index; Water Framework Directive.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00162/27312/28371.pdf
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Modelling Agricultural Diffuse Pollution: CAP – WFD Interactions and Cost Effectiveness of Measures AgEcon
Mouratiadou, Ioanna; Topp, Cairistiona; Moran, Dominic.
Within the context of the Water Framework Directive (WFD) and the Common Agricultural Policy (CAP), the design of effective and sustainable agricultural and water resources management policies presents multiple challenges. This paper presents a methodological framework that will be used to identify synergies and trade-offs between the CAP and the WFD in relation to their economic and water resources environmental effects, and to assess the cost-effectiveness of measures to control water pollution, in a representative case study catchment in Scotland. The approach is based on the combination of a biophysical simulation model (CropSyst) with a mathematical programming model (FSSIM-MP), so as to provide a better understanding and representation of the...
Tipo: Conference Paper or Presentation Palavras-chave: Bio-economic Modelling; Water Framework Directive; Common Agricultural Policy; Agricultural and Food Policy; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/6461
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Overview of eutrophication indicators to assess environmental status within the European Marine Strategy Framework Directive ArchiMer
Ferreira, Joao G.; Andersen, Jesper H.; Borja, Angel; Bricker, Suzanne B.; Camp, Jordi; Da Silva, Margarida Cardoso; Garces, Esther; Heiskanen, Anna-stiina; Humborg, Christoph; Ignatiades, Lydia; Lancelot, Christiane; Menesguen, Alain; Tett, Paul; Hoepffner, Nicolas; Claussen, Ulrich.
In 2009, following approval of the European Marine Strategy Framework Directive (MSFD, 2008/56/EC), the European Commission (EC) created task groups to develop guidance for eleven quality descriptors that form the basis for evaluating ecosystem function. The objective was to provide European countries with practical guidelines for implementing the MSFD, and to produce a Commission Decision that encapsulated key points of the work in a legal framework. This paper presents a review of work carried out by the eutrophication task group, and reports our main findings to the scientific community. On the basis of an operational, management-oriented definition, we discuss the main methodologies that could be used for coastal and marine eutrophication assessment....
Tipo: Text Palavras-chave: Eutrophication; Chlorophyll; Dissolved oxygen; Harmful algae; Marine; Coastal; Assessment methods; Europe; Marine Strategy Framework Directive; Water Framework Directive.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00039/15055/12609.pdf
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Protocoles de suivi stationnel des herbiers à zostères pour la Directive Cadre sur l’Eau (DCE). Zostera marina - Zostera noltei. Version 3 ArchiMer
Auby, Isabelle; Oger-jeanneret, Helene; Gouillieux, Benoît; Grall, Jacques; Janson, Anne-laure; Maguer, Marion; Rigouin, Loic; Rollet, Claire; Sauriau, Pierre - Guy; Trut, Gilles.
This report is an update of the previous WFD monitoring protocols for seagrass beds on the French coasts (Channel, Atlantic). The different steps of field sampling and laboratory measurements are described.
Tipo: Text Palavras-chave: Directive Cadre sur l’eau; Herbiers; Zostera noltei; Zostera marina; Protocoles de suivi; Water Framework Directive; Seagrass beds; Zostera noltei; Zostera marina; Monitoring protocols..
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00471/58250/60782.pdf
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Reducing Nutrient Losses in Europe and Implications for Farming - In the Light of the Water Framework Directive AgEcon
Jacobsen, Brian H.; Abildtrup, Jens; Orum, Jens Erik.
An analysis for the implementation of the Nitrate Directive in the EU indicates that probably only three of 15 countries have implemented the directive satisfactorily. These countries are Sweden, Finland, Denmark and Austria, however other countries are in the process of getting their implementation accepted. As an example, the Netherlands has been forced to abandon the MINAS system in order to get its implementation accepted by the EU. The continues by describing the costs related to implementation of the Aquatic Plan II in Denmark. The costs have been calculated to 70 million € or 2,0 € per kg N in reduced leaching. The farmers have paid 60% of the costs. The paper then describes the measures taken in Denmark and the associated costs for the state and...
Tipo: Conference Paper or Presentation Palavras-chave: Water Framework Directive; Reducing Nutrient losses; Cost effective measures; Resource /Energy Economics and Policy.
Ano: 2005 URL: http://purl.umn.edu/24229
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REGIONAL ECONOMIC EFFECTS OF THE WATER FRAMEWORK DIRECTIVE IN THE EMSLAND, NORTH GERMANY AgEcon
Bergmann, Holger; Thomson, Kenneth J..
The European Union’s Water Framework Directive (WFD) has “the purpose to protect and preserve water resources across the European Union to ensure future sustainable use” but is likely to add to agricultural land losses, e.g. to infrastructure, industrial estates and housing. While the environmental as well as the micro-economic benefits of the Directive - e.g. for water producers and consumers - are well established, there is a lack of knowledge as to its regional economic effects. Based on a system dynamics approach incorporating an input-output table, a regional model (POEMS) has been developed for the Emsland region in Northern Germany. POEMS has been employed to capture the economic, ecological and social effects of three WFD scenarios which reduce...
Tipo: Conference Paper or Presentation Palavras-chave: Water Framework Directive; System Dynamics; Regional Economic Modelling; Emsland; Demographics; Community/Rural/Urban Development; Land Economics/Use.
Ano: 2009 URL: http://purl.umn.edu/51637
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Restoration ecology of coastal lagoons: new methods for the prediction of ecological trajectories and economic valuation ArchiMer
De Wit, Rutger; Rey-valette, Helene; Balavoine, Juliette; Ouisse, Vincent; Lifran, Robert.
Conservation of the seven lagoons of the Palavas complex (southern France) has been severely impaired by nutrient over-enrichment during at least four decades. The effluents of the Montpellier wastewater treatment plant (WWTP) represented the main nutrient input. To improve the water quality of these lagoons, this WWTP was renovated and upgraded and, since the end of 2005, its effluents have been discharged 11 km offshore into the Mediterranean (total investment €150 M). Possibilities of ecosystem restoration as part of a conservation programme were explored by a focus group of experts. Their tasks were: (i) to evaluate the impact of the reduction of the nutrient input; (ii) if necessary, to design additional measures for an active restoration programme;...
Tipo: Text Palavras-chave: Coastal lagoon; Seagrass meadow; Marine and brackish Magnoliophyta; Phytoplankton; Ecosystem services; Willingness to pay (WTP); Ecosystem trajectory' nutrient enrichment; Oligotrophication; Sediment N and P contents; Water Framework Directive.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00317/42867/42368.pdf
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Spatial Fit, from Panacea to Practice: Implementing the EU Water Framework Directive Ecology and Society
Moss, Timothy; Leibniz Institute for Regional Development and Structural Planning (IRS); MossT@irs-net.de.
Within the broad discourse on the concept of fit and its relevance for the governance of social–ecological systems, problems of spatial fit have attracted particular attention. Mismatches abound between the geographical extent of an environmental resource and the territorial scope of the institutions affecting its use. Managing water resources around river basins is, perhaps, the most prominent illustration of attempts to reconcile the boundaries of an environmental resource with those of its respective institutions. Achieving perfect spatial fit has, however, proved an elusive task in practice. Beyond the difficulties of defining the physical boundaries of water and reordering institutional arrangements to reflect these, improving spatial fit...
Tipo: Peer-Reviewed Reports Palavras-chave: River basin management; Spatial fit; Water Framework Directive; Wupper.
Ano: 2012
Registros recuperados: 32
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