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Zbiornik Nyski – EN

Site name and code:    Zbiornik Nyski PLB160002

Special Protection Area since 2008

Area: 2127,8 ha

Administrative location: Nysa county – municipalities of: Nysa, Otmuchów.

Anas platyrhynchos

The Natura 2000 site includes a large dam reservoir (Jezioro Nyskie), along with a section of Nysa Kłodzka river in the estuary area into the reservoir. It is surrounded by hills, mostly of the agricultural use. In the western part there are several artificially created islands, caused by mining activities. The reservoir serves as a recreational place, thanks to located on the northern shore sandy beaches and open spaces attracting sailors. However, the aim of its construction in the 70s of the last century, was primarily a retention. Fluctuations in water level are significant, so that at low water, the coastline is varied – there are numerous bays, islands and shallow water. Different levels of  the water in the course of a year offer favorable conditions for different groups of birds. The site is a refugium for birds and it is of international importance, constituting an important breeding ground for gulls and terns as well as feeding and resting area for large concentrations of migratory wetlands birds – geese, ducks and waders.

 

The subjects of protection

Bird species:

Sterna hirundo

Anser fabalis

Anas platyrhynchos

Vanellus vanellus

Calidris minuta

Calidris alpina

Numenius arquata

Larus melanocephalus

Larus ridibundus

Sterna hirundo

Sternula albifrons


A description of the subjects of protection within the site

Larus ridibundus

The site is of particular importance for the Mediterranean gull breeding population. It finds favorable conditions for nesting on the islands that is deprived of shrubs and trees, at a considerable distance from the shore of the reservoir. This rare species occurs here in large numbers (in some seasons average-abundantly). Besides the Mediterranean gull also black-headed gull, common tern and little tern nest at the reservoir. The latter species is also not very numerous in Poland, and its representation in the area is approx. 2% of the national population. Nesting gulls and terns are endangered by excessive raising of the water level in the reservoir, which could lead to flooding nests. In addition, bushes overgrowing throughout the islands could cause a significant reduction in the area available for birds. Predators activities and disturbance caused by humans also influence the existence of this population. The main representative of waders that feed in the refugium during the fall is curlew. Good conditions for this species are provided by emerging fertile mud, as well as the presence of not overgrown islands and backwaters. The population is quite large in area, and it is important concentration of these birds in Poland. Other waders occurring in the area are: lapwing, little stint, dunlin. The threat for this group of birds is primarily the insufficient feeding area, which is caused by wetlands not exposed enough. Another important concern is the disturbance by humans. The area of the refugium is also a place of migratory birds concentration – bean goose and mallard.

More facts

… Polish word „kibic” (Eng. a fan) is probably derived from the German name of lapwings – Kiebitz. Once, football matches were played in the meadows, and flustered lapwings flew around the players with a loud cry. Attempts by the birds to drive people off from nests hidden in the grass looked like encouraging by funs.