Loss of accessibility for migratory fish due to dams in major European river basins

Figure Created 09 Oct 2012 Published 22 Oct 2012 Last modified 06 Nov 2017

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Topics: Biodiversity — Ecosystems ,

Orange: river basins with large dams (at least 10 m high) not allowing normal fish passage.

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Loss of accessibility for migratory fish due to dams in major European river basins - 1860 - eps file

Loss of accessibility for migratory fish due to dams in major European river basins - 1910 - eps file

Loss of accessibility for migratory fish due to dams in major European river basins - 1960 - eps file

Loss of accessibility for migratory fish due to dams in major European river basins - 2010 - eps file

Metadata

Last upload:: 09 Oct 2012
Temporal coverage:: 1860 , 1910 , 1960 , 2010
Tags:: river basin districts , construction , migration , bise , freshwater fishes , species , rivers and lakes
Geographic coverage:: Albania , Armenia , Austria , Azerbaijan , Belarus , Belgium , Bosnia and Herzegovina , Bulgaria , Croatia , Cyprus , Czechia , Denmark , Estonia , Finland , France , Georgia , Germany , Greece , Hungary , Iceland , Ireland , Italy , Kazakhstan , Kosovo (UNSCR 1244/99) , Kyrgyzstan , Latvia , Liechtenstein , Lithuania , Luxembourg , Malta , Moldova , Monaco , Montenegro , Netherlands , North Macedonia , Norway , Poland , Portugal , Romania , Russia , San Marino , Serbia , Slovakia , Slovenia , Spain , Sweden , Switzerland , Tajikistan , Turkey , Turkmenistan , Ukraine , United Kingdom , Uzbekistan
Rights:: EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
Owners:: European Environment Agency (EEA)
Figure type:: Map

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Based on data

Waterbase - Lakes Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the quantity of Europe's water resources

European catchments and Rivers network system (Ecrins) Version 1, Jun. 2012 - Ecrins is acronym for European catchments and Rivers network system. It is a geographical information system of the European hydrographical systems with a full topological information. Ecrins is a composite system made from the CCM developed by the JRC, Corine land Cover, WFD reporting elements, etc. It is organised from a layer of 181,071 “functional elementary catchments (FECs)” which average size is ~62 km2, fully connected with explicit identifier (ID) relationships and upstream area. Catchments are grouped as sub-basins, river basin districts (actual and functional to meet hydrographical continuity). The catchments are as well organised according to their sea shore of emptying to meet Marine Strategy delineations. Catchments are drained by 1,348,163 river segments, sorted as “main drains” (connecting together the FECs) and secondary drains (internal to a FEC). river segments mimic the natural drainage, however fulfilling the topological constraint of “0,1 or 2 upstreams, single or 0 downstream”. Each segment is populated with distance to the sea, to ease further processing. They are connected to elementary catchments and nodes documented with altitude. Segments are as well documented with a “dummy river code”, fully populated that earmark each segment with the most distant to the outlet in each drainage basin and, everywhere this has been possible, with a “true river” ID based on river naming. A layer of lakes and dams has been elaborated. Lakes polygons (70,847) are taken from Corine Land cover , WFD Art. 13 and in some cases, from CCM “water layer”. Lakes inlets and outlets are set with the segment ID and where relevant, the dams making the lake is documented. All lakes which depths and volume was found have been updated. Version 1.0 here presented still contain some topological errors (e.g. incorrect segment branching), because inaccurate geometry. They are noted and a correction procedure is underway.

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Protected areas in Europe - an overview Protected areas today cover a relatively large part of Europe, with almost 21 % of the territory of EEA member countries and collaborating countries consisting of protected areas. In spite of this widespread presence of protected areas in all European countries, the topic has not received as much attention on a pan-European level as other environmental issues. We hope this report from the EEA the first we have compiled on the subject will go some way to redressing the balance. The report provides a comprehensive overview of the current state of protected areas and aims to assist policymakers and the wider public in understanding the complexity of the current systems of protected areas.

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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/loss-of-accessibility-for-migratory or scan the QR code.

PDF generated on 17 Sep 2019, 05:41 PM

BISE	Biodiversity Information System for Europe
Climate-ADAPT	Climate Adaptation Platform
Copernicus In Situ	Copernicus in situ component
Copernicus Land	Copernicus land monitoring

European Pollutant Release and Transfer Register	E-PRTR
Information Platform for Chemical Monitoring	IPCHEM
Marine Water Information System for Europe	WISE-Marine
Fresh Water Information System for Europe	WISE-FreshWater

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