Croatia - Lonjsko Polje Nature Park

The Lonjsko Polje Nature Park is situated in the alluvial plain of the Sava River in the central Sava River basin region, between the cities of Sisak and Stara Gradiška and represents a unique landscape and ecological systems of flooded river plain of the Danubian basin. The Sava River begins to meander in this area creating typical wet areas that greatly determine its flow and the appearance of the surrounding region. With a total surface of 50 650 ha, the Lonjsko Polje Nature Park is one of the largest wetland area in the entire Danubian basin. The most significant ecological element in the Lonjsko Polje Nature Park is flooding which can appear any time of the year, because of the extraordinary constellation of the Sava River and its tributaries. Water waves are often so huge and Lonjsko Polje Nature Park has a very important role as a flood control system. In addition to this specific water regime, the micro relief plays an important role in creating the great diversity of habitats