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Tests of wildlife habitat models to evaluate oak-mast production

Wildlife Society Bulletin

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Abstract

We measured oak-mast production and forest structure and composition in the Ozark Mountains of Missouri and tested the accuracy of oak-mast prediction variables from 5 Habitat Suitability Index (HSI) species models. Acorn production was positively associated with several measures of abundance and canopy cover of oak trees, and with an index of mast production for all 5 HSI models. We developed 2 modified oak-mast models, based on inputs related to either oak tree density or oak canopy cover and diversity of oak tree species. The revised models accounted for 22-32% of the variance associated with acorn abundance. Future tests of HSI models should consider: (1) the concept of upper limits imposed by habitat and the effects of nonhabitat factors; (2) the benefits of a top-down approach to model development; and (3) testing models across broad geographic regions.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Tests of wildlife habitat models to evaluate oak-mast production
Series title:
Wildlife Society Bulletin
Volume
25
Issue:
3
Year Published:
1997
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Wildlife Society Bulletin
First page:
639
Last page:
646
Number of Pages:
8