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   Rattus exulans (mammal)
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    Details of this species in Double Is. (Western Australian)
    Status: Alien
    Invasiveness: Invasive
    Occurrence: Eradicated
    Source: Island Conservation and Ecology Group, 2004
    Arrival Date:
    Species Notes for this Location:
    Management Notes for this Location:
    The Pacific rat (Rattus exulans) was eradicated from Double Island in 1989 by the Department of Conservation (led by I. McFadden) (McFadden, 1992; Veitch and Bell, 1990). Trials were carried out on Double Island to test the effectiveness of bromadiolone-impregnated grain in silo bait stations on one half of the island with hand distributed Storm rodent pellets on the other half for the eradication of Pacific rats. Both achieved eradication, although the cost of hand broadcasting baits was slightly cheaper (Thomas and Taylor, 2002).
    Location Notes:
    The vegetation of Double Island (32 ha) is primarily forested (J. Russell, pers. comm.).
    Last Modified: 18/08/2006 12:48:24 p.m.

ISSG Landcare Research NBII IUCN University of Auckland