Jahresbericht 1999 - Biologische Station im Kreis Wesel e.V. (BSKW)

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Anzahl Brutpaare
40
35
30
25
20
15
10
5
0
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Jahr
Uferschnepfe
Rotschenkel
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