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Overland Migration of Collembola (Hypogastrura nivicola Fitch) Colonies

Walter H. Lyford
The American Midland Naturalist
Vol. 94, No. 1 (Jul., 1975), pp. 205-209
DOI: 10.2307/2424550
Stable URL: http://www.jstor.org/stable/2424550
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Overland Migration of Collembola (Hypogastrura nivicola Fitch) Colonies
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Abstract

Dense aggregations of Collembola (Hypogastrura nivicola Fitch) move across the surface of the forest floor in central New England in the autumn and spring for distances of 20-25 m before disappearing. Colonies 30 cm in diam have populations of 0.5-1 million individuals. Hourly movement is as much as 75 cm and daily movement as much as 6 m. Overland movement ceases at night or when colonies are covered by black plastic sheeting.

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