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Latitudinal Variation of Body Size in Land Snail Populations and Communities

Latitudinal Variation of Body Size in Land Snail Populations and Communities

Chapter:
(p.62) Chapter Two Latitudinal Variation of Body Size in Land Snail Populations and Communities
Source:
Animal Body Size
Author(s):
Jeffrey C. NekolaGary M. BarkerRobert A. D. CameronBeata M. Pokryszko
Publisher:
University of Chicago Press
DOI:10.7208/chicago/9780226012285.003.0003

This chapter examines the nature and underlying mechanisms for body size vs. latitude relationships in land snail populations and communities observed across large extents (>2,500 km) in northwestern Europe, eastern North America, and New Zealand. It addresses the following four questions: does individual body size within a species positively correlate with latitude? Are communities of high latitude represented by a greater proportion of large taxa? Are communities of high latitude represented by a greater proportion of large individuals? Does altitudinal variation in community body size mimic latitudinal relationships?

Keywords:   body size, latitude relationships, land snails

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