Second Assessment of Transboundary Rivers, Lakes and Groundwaters

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The key goal of the second Assessment of Transboundary Rivers, Lakes and Groundwaters is to keep the state of shared water resources in Europe, Caucasus and Central Asia under scrutiny. It aims to facilitate informed decision-making on their management, provide the basis for continuous bilateral and multilateral cooperation under the Water Convention, and support all actors involved at the national, transboundary and regional levels. More than 150 transboundary rivers, 40 lakes and some 200 transboundary groundwater occurrences have been assessed in close cooperation with the national environment and water administrations in the European and Asian parts of the UNECE region, and high attention is being devoted to the countries with economies in transition which are facing the biggest challenges.



South-Eastern Europe

The subregional assessment of transboundary waters in South- Eastern Europe (SEE) covers transboundary rivers, lakes and groundwaters shared by two or more of the following countries: Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Hungary, Montenegro, Romania, Serbia, Slovenia, the former Yugoslav Republic of Macedonia and Turkey. The assessments of the individual transboundary surface and groundwaters in this subregion can be found in the Chapters 5 and 6 of Section IV (drainage basins of the Black Sea and of the Mediterranean Sea). The assessment of transboundary waters in SEE also contains assessment of a number of selected Ramsar Sites. Besides the assessed Ramsar Sites, there are important transboundary wetland areas elsewhere in SEE, e.g., the delta of Maritsa/Evros/Meriç River (a part of it is also a Ramsar Site), as well as important human-made wetlands, such as reservoir lakes and fish farming ponds along the Drava, Mura and smaller rivers in SEE. Very extensive river flood-plains, temporary flooded grasslands and fens provide a number of services such as water storage, groundwater replenishment and support for livestock farming and biodiversity. The transboundary lakes Ohrid and Dojran are also of great socio-economic and cultural importance. Along the Adriatic and Aegean Seas an important number of coastal lagoons, salt-pans, and river delta wetlands exist in Albania, Croatia, Greece, Montenegro and Slovenia. The same is true for the Black Sea coast of Bulgaria, Romania and Turkey.


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