La Tour du Valat

Article

Results of the conservation programme for Black Tern Chlidonias niger at Lake Dummer (Lower Saxony, Germany) from 1992-2004.

Frank Koerner, Auteur ; Ulrike Marxmeier, Auteur

Dans Vogelwelt (Die) (126(3) 2005)

Between 1950 and 1980 the breeding population of the Black Tern at the hypertrophic shallow Lake Dummer decreased from almost 200-250 pairs to about 20-30 pairs. Tile main reason for this decline was the continuous decrease of proper nesting sit[...]

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