Biodiversity and Seasonal Dynamics of Waterbirds in the Danube Wetland North of Kopački Rit
2025
Zlatko Nedić | Raluca Nicolae | Stefan Popescu | Vlatko Rožac | Vera Nikolić
Wetlands play a vital role in conserving waterbirds, particularly along major European river systems such as the Danube River and its tributaries. To promote the importance of wetlands and address the lack of data on bird biodiversity in aquatic ecosystems, this study was conducted to assess the baseline status of a demonstration site within the European project DaWetRest. The research focused on a lesser-studied pilot area, the Danube North of Kopački rit, near the village of Draž, located in the tri-border region of Croatia, Hungary, and Serbia. Systematic ornithological monitoring was carried out monthly from January to December 2024 across three monitoring areas (total transect length: 4200 m). A total of 26 bird taxa were recorded, comprising 2148 individual observations. The most dominant species were the Mallard (<i>Anas platyrhynchos</i>), Grey Heron (<i>Ardea cinerea</i>), and Great Cormorant (<i>Phalacrocorax carbo</i>). Conversely, the species that were the least present were White Stork (<i>Ciconia ciconia</i>), Squacco Heron (<i>Ardeola ralloides</i>), Great Crested Grebe (<i>Podiceps cristatus</i>), Eurasian Teal (<i>Anas crecca</i>), and Black Stork (<i>Ciconia nigra</i>). This study also examines the seasonal dynamics of waterbirds, providing essential baseline data for evaluating the effectiveness of upcoming restoration measures planned for the area.
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