Elanden in de Biesbosch - ARK Natuurontwikkeling
Elanden in de Biesbosch - ARK Natuurontwikkeling
Elanden in de Biesbosch - ARK Natuurontwikkeling
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Inhoud<br />
1. Aanleid<strong>in</strong>g ........................................................................................................................................ 4<br />
1.1 Waarom elan<strong>de</strong>n ..................................................................................................................... 4<br />
1.2 Waarom <strong>de</strong> <strong>Biesbosch</strong> ............................................................................................................. 5<br />
2. De <strong>Biesbosch</strong> ................................................................................................................................... 6<br />
2.1 He<strong>de</strong>n ...................................................................................................................................... 6<br />
2.2 Toekomst ................................................................................................................................. 6<br />
3. De eland ........................................................................................................................................... 8<br />
3.1 Biotoop .................................................................................................................................... 8<br />
3.2 Voedsel .................................................................................................................................... 8<br />
3.3 Sociaal gedrag en voortplant<strong>in</strong>g .............................................................................................. 9<br />
3.4 Leefgebied ............................................................................................................................. 10<br />
3.5 Populatiestructuur................................................................................................................. 10<br />
3.6 M<strong>in</strong>imum populatie ............................................................................................................... 11<br />
3.7 Natuurlijke dichthe<strong>de</strong>n .......................................................................................................... 11<br />
4. Recent en historisch voorkomen ................................................................................................... 12<br />
4.1 Europa ................................................................................................................................... 12<br />
4.2 Ne<strong>de</strong>rland .............................................................................................................................. 13<br />
5. Her<strong>in</strong>troductie ............................................................................................................................... 14<br />
5.1 IUCN-criteria .......................................................................................................................... 14<br />
5.2 Her<strong>in</strong>troductie-pilot............................................................................................................... 15<br />
6. <strong>Elan<strong>de</strong>n</strong> <strong>in</strong> <strong>de</strong> <strong>Biesbosch</strong>: Een analyse ........................................................................................... 16<br />
6.1 Gebiedsbeschrijv<strong>in</strong>g en natuurwaar<strong>de</strong>n ............................................................................... 16<br />
6.2 Leefgebied voor elan<strong>de</strong>n ....................................................................................................... 19<br />
6.3 Interactie met an<strong>de</strong>re herbivoren ......................................................................................... 19<br />
6.4 Draagkracht en populatiegrootte .......................................................................................... 21<br />
6.5 Populatiebeheer .................................................................................................................... 22<br />
6.6 Specifieke rol van eland <strong>in</strong> het <strong>Biesbosch</strong>- ecosysteem ........................................................ 23<br />
7. Her<strong>in</strong>troductie of proefproject ...................................................................................................... 24<br />
7.1 Algemeen ............................................................................................................................... 24<br />
7.2 Ervar<strong>in</strong>gen met her<strong>in</strong>troducties ............................................................................................ 24<br />
De her<strong>in</strong>troductie van elan<strong>de</strong>n <strong>in</strong> Kamp<strong>in</strong>oski Nationaal Park ................................................ 24<br />
7.3 Ervar<strong>in</strong>gen met elan<strong>de</strong>n b<strong>in</strong>nen rasters ................................................................................ 25<br />
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