Frugivorous pigeons, stepping stones, and weeds in northern New South Wales
Date, E.M., Ford, H.A. and Recher, H.F. (1991) Frugivorous pigeons, stepping stones, and weeds in northern New South Wales. In: Saunders, D.A. and Hobbs, R.J., (eds.) Nature conservation 2: the role of corridors. Surrey Beatty & Sons, Chipping Norton, N.S.W, Australia, pp. 241-245.
Lack of continuous vegetation (corridors) does not appear to prevent rainforest frugivores, such as pigeons, from using remnants or moving long distances from high to low elevations or along the coast. Historically, rainforests in New South Wales were fragmented by eucalypt forests. As a patchwork of geographically close "habitat islands', the smaller fragments formed stepping stones between rainforest at high and low elevations. Frugivorous pigeons cross open country and use a variety of vegetation, including exotic weeds, as stepping stones to move between remnants. While it may not be necessary to ensure habitat continuity for these species, a patchwork of vegetation may be required to facilitate movements and provide alternative feeding areas. In the short term, introduced species that provide winter food for frugivores and stepping stones between remnant rainforests should be retained to conserve rainforest frugivores. In the long term, they should be replaced by a network of native species.
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