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Length-Biomass Relationships for Terrestrial Gastropoda and Oligochaeta

Patrick T. Collins
The American Midland Naturalist
Vol. 128, No. 2 (Oct., 1992), pp. 404-406
DOI: 10.2307/2426474
Stable URL: http://www.jstor.org/stable/2426474
Page Count: 3
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Length-Biomass Relationships for Terrestrial Gastropoda and Oligochaeta
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Abstract

Regression models relating length to dry weight biomass were developed for terrestrial Oligochaeta (Lumbricidae) and Gastropoda (Stylommatophora) using specimens from northern Wisconsin forests. The model ln(W) = 0.969 + 0.529 ln(L) best explained variation in gastropod biomass (R2 = 0.73, P < 0.001). The model ln(W) = 2.394 + 0.373 ln(L) explained variation in oligochaete biomass best (R2 = 0.97, P < 0.001). Values of R2 were within the range reported from similar models based on other invertebrate taxa.

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