Jahresbericht 1999 - Biologische Station im Kreis Wesel e.V. (BSKW)
Jahresbericht 1999 - Biologische Station im Kreis Wesel e.V. (BSKW)
Jahresbericht 1999 - Biologische Station im Kreis Wesel e.V. (BSKW)
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!&<br />
=DHAI>AHE?DJ '''<br />
AIJAH )KAHD=> @AI >AHI?DMAKCI>AHAE?DI @AI<br />
4DAEI M=H @=I .HJFB=KCIAHCA>EI CACA>AH @A<br />
>AE@A 8H=DHA A@?D MAIAJE?D DDAH I @= @AH<br />
E HAEI 9AIA AHEJJAJA KCLCA=JAE =<br />
/AI=J>AIJ=@ >AE B=IJ =C ,=I AJJA = @=II<br />
@EA /H=KC=I>AIJ@A AEA KCLCA=JAE E @EAIAH<br />
0DA =KBMEAIA M=H E =DH ''# /H=BE <br />
Jungvogelanteil (%)<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
1980<br />
Graugans<br />
Nilgans<br />
1982<br />
1984<br />
1986<br />
1988<br />
1990<br />
1992<br />
1994<br />
1996<br />
1998<br />
/H=BE DHE?DA KCLCA=JAEA Jahr >AE /H=K K@ EC=I = 7JAHA<br />
EA@AHHDAE '& '''<br />
,EA /AI=J=D @AH BCCA CAMH@AA KCLCA =C<br />
EJ I?DJKCIMAEIA & 1@ELE@KA AE?DJ >AH @A<br />
8H=DH HAE?DJA =>AH E?DJ =KI K @EA<br />
/H=KC=I=C@IJHA?A @AI =C@=DHAI ''&'' L !!%<br />
Anzahl<br />
2000<br />
1750<br />
1500<br />
1250<br />
1000<br />
750<br />
500<br />
250<br />
0<br />
1979<br />
Brutpaare<br />
Individuen<br />
1981<br />
1983<br />
1985<br />
1987<br />
1989<br />
Jahr<br />
1991<br />
1993<br />
1995<br />
1997<br />
/H=BE -JME?KC @AI /H=KC=I*AIJ=@AI E HAEI 9AIA<br />
'%' '''<br />
<strong>1999</strong>
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