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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Changes in the numbers of breeding birds in the Lower Odra Valley Landscape Park (NW Poland) between 1995 and 2013
Auteurs :	Dominik Marchowski, Auteur ; Lukasz Lawicki, Auteur
Type de document :	Article
Dans :	Vogelwelt (Die) (135(2) 2014)
Article en page(s) :	51-66
Résumé :	In 1993, the Lower Odra Valley Landscape Park was established along the Polish-German border. It is one of the most important areas for birds associated with wetlands in Poland and forms part of the Natura 2000 network. In this article we summarise the changes in abundance of selected breeding bird species in the 20 years since the area has been protected, along with a discussion of the causes responsible for past changes and a proposal for better protection of the most valuable species and their habitats. From 1995 to 2013, 124 breeding bird species were found in the study area, among them ten species listed in the "Polish Red Data Book of Animals". The Lower Odra Valley Landscape Park is one of the most important refuges in Poland for Mute Swan, Greylag Goose, Gadwall, Garganey, Shoveler, Bittern, Grey Heron, Marsh Harrier, Water Rail, Spotted Crake, Little Crake, Common Snipe, Black Tern, Thrush Nightingale, Bluethroat and Savi's Warbler. Over the past 18 years significant changes have occurred in the breeding avifauna of the study area, associated both with nationwide trends in the numbers of certain species as well as local environmental changes. Most grassland bird species have exhibited a negative trend, while the number of birds associated with reedbeds increased. In 2013, a Polish-German project of active conservation action was initiated with the intention of re-creating the most valuable habitats for breeding birds associated with grassland.

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