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Seed mass, habitat and life history: a re-analysis of Salisbury (1942, 1974)

Published online by Cambridge University Press:  01 January 1998

KEN THOMPSON  and
DUNMAIL J. HODKINSON
KEN THOMPSON
Affiliation:
Unit of Comparative Plant Ecology, Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
DUNMAIL J. HODKINSON
Affiliation:
ADAS Newcastle, Kenton Bar, Newcastle-upon-Tyne NE1 2YA, UK
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Abstract

A recent re-analysis of the data of Salisbury (1974) claims his data do not support the hypothesis that seeds of species from shaded habitats are heavier than those from unshaded habitats, partly because the original analysis was inappropriate and partly because of bias in the dataset. We show first that the re-analysis itself contains errors, and second that the charge of bias is based largely on a misunderstanding. We also show that analysis of a larger dataset, drawn from Salisbury (1942) and from Salisbury (1974), provides convincing support for the hypothesis and suggests that the relationship is independent of life history.

Keywords

Seed sizephylogenyshadelife historycongeners
Type
Research Article
Information
The New Phytologist , Volume 138 , Issue 1 , January 1998 , pp. 163 - 167
Copyright
Trustees of the New Phytologist 1998

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