Logo image
Nest–site Selection and Breeding Success of Wedge–tailed Shearwaters Puffinus pacificus at Heron Island
Journal article   Peer reviewed

Nest–site Selection and Breeding Success of Wedge–tailed Shearwaters Puffinus pacificus at Heron Island

Jennifer Carter
Australian Geographical Studies, Vol.35(2), pp.153-167
1997
url
https://doi.org/10.1111/1467-8470.00016View
Published Version

Abstract

Human Geography Physical Geography and Environmental Geoscience Urban and Regional Planning Puffinus pacificus Wedge-tailed Shearwater nest site selection
The nest-site selection and the reproductive success of the Wedge-tailed Shearwater (Puffinus pacificus) were examined at Heron Island. Thirteen habitat variables were measured and grouped statistically into four composite variables, which were related to nest-site selection and breeding success in two structural equation models. Both models showed that substrate moisture was negatively related to nest-site selection, although one model revealed an additional positive effect of soil strength. Hatching success was associated with high substrate moisture and with low density of nesting birds. Burrows are probably sited where excavation is easiest and eggs laid where collapse is least likely. Some small-scale competition for nest-sites may occur.

Details

Metrics

1 File views/ downloads
896 Record Views
Logo image