Biebrza Marshes
The Biebrza Marshes ( Biebrza Valley ) are a complex series of habitats , located on the Biebrza river valley , in Suwalki, Lomza in the the northeast of Poland . The area encompasses river channels, lakes , marshes with extensive wooded areas on higher ground and well -preserved peat bogs occupy around 1,000 That km2. The area shows a clear succession of habitats from riverside fen through to raised bogs , grading into wet woodland . Because of this unique succession , the area supports vast numbers of wildlife with many birds and mammals common .
The water marshes in the area are commonly flooded and the Resulting alluvial soil supports an array of waterside vegetation .
It is one of the largest wildlife refuges in Europe . Biebrza flood waters is a real kingdom of birds - seen here over 250 species , more than 80 % of Polish avifauna . Starting in the early spring mating Attract birds birdwatchers from around the world .
The greater part of this area is the Biebrza National Park, covered by the Ramsar Convention that protect the wetlands and bird breeding grounds .
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