File:Abrolhos North-Island2.jpg

Abrolhos_North-Island2.jpg(640 × 480 pixels, file size: 69 KB, MIME type: image/jpeg)

Description
English: This is a photograph of the vegetation of North Island in the Houtman Abrolhos. Note the difference in vegetation density on different sides of the fence line ;
this is due to overgrazing by an unchecked population of the introduced Tammar Wallaby (Macropus eugenii).
Français : Cette photographie illustre l'effet du surpâturage (hors de la zone clôturée) de la végétation naturelle de l'une des îles coralliennes d'(Houtman Abrolhos, ou Îles Abrolhos ; un ensemble de 122 îles et récifs coraliennes situés dans l'océan Indien au large des côtes ouest de l'Australie.
Ce surpâturage est dû à une espèce de Wallaby (Macropus eugenii introduite hors de son écosystème, en l'absence de prédateurs et de ses parasites naturels.
Date
Source The author's own work.
Author Boobook48 of Blogspot
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27 September 2007

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current11:47, 23 December 2007Thumbnail for version as of 11:47, 23 December 2007640 × 480 (69 KB)Hesperian{{Information |Description=This is photograph of the vegetation of North Island (Houtman Abrolhos) in the Houtman Abrolhos. Note the difference in vegetation density on different sides of the fence line; this is due to overgrazing by an unchecker
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