Allometric Equations for Estimation of Ash-free Dry Mass from Length Measurements for Selected European Earthworm Species (Lumbricidae) in the Western Great Lakes Region
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Allometric Equations for Estimation of Ash-free Dry Mass from Length Measurements for Selected European Earthworm Species (Lumbricidae) in the Western Great Lakes Region
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2004
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University of Notre Dame
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Article
Abstract
In the last decade the invasion of European earthworms into previously worm-free glaciated areas of North America has stimulated research into their impacts on native forest ecosystems in the region. As a first approximation, the impacts of invading earthworms are related to their biomass. However, direct measurements of biomass can be significantly affected by the moisture conditions under which the earthworms are collected and their relative gut contents. Ash-free dry mass is the best standardized measure of earthworm biomass, but requires the destruction of specimens. This paper presents five allometric equations that allow for estimation of ash-free dry biomass based on length (mm) measurements for European earthworm species (Lumbricidae) commonly seen in the United States.
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http://dx.doi.org.ezp1.lib.umn.edu/10.1674/0003-0031(2004)151[0179:AEFEOA]2.0.CO;2
Previously Published Citation
Hale, C. M., Reich, P. B., & Frelich, L. E. (2004). Allometric equations for estimation of ash-free dry mass from length measurements for selected European earthworm species (Lumbricidae) in the western Great Lakes region. The American midland naturalist, 151(1), 179-185.
Suggested citation
Hale, Cindy M; Reich, Peter B; Frelich, Lee E. (2004). Allometric Equations for Estimation of Ash-free Dry Mass from Length Measurements for Selected European Earthworm Species (Lumbricidae) in the Western Great Lakes Region. Retrieved from the University Digital Conservancy, http://dx.doi.org.ezp1.lib.umn.edu/10.1674/0003-0031(2004)151[0179:AEFEOA]2.0.CO;2.
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