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Movements and Home Ranges of Polynesian Rats in Hawaiian Sugarcane

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Title:Movements and Home Ranges of Polynesian Rats in Hawaiian Sugarcane
Authors:Nass, Roger D.
Date Issued:Apr 1977
Publisher:University of Hawaii Press
Citation:Nass RD. 1977. Movements and home ranges of Polynesian rats in Hawaiian sugarcane. Pac Sci 31(2): 135-142.
Abstract:Fifty-seven Polynesian rats (Rattus exulans), equipped with
transmitters, were monitored in sugarcane fields and neighboring wastelands
at various seasons so that a better understanding of crop damage by rats might
be obtained. Linear movements for males were longer than for females, longer
in winter than in summer, and longer in young sugarcane than in mature
sugarcane. Rats with burrows in wastelands moved greater distances than did
rats with burrows in sugarcane fields. Estimated home range size (mean, 1845
square meters for males and 607 square meters for females) tended to increase
with more observations, and most elliptical home ranges in wastelands were
oriented toward the fields. Rats with wasteland burrows were found in fields
during 57 percent of the observations, but field residents were found in the
wastelands during only 1 percent of the observations.
Appears in Collections: Pacific Science Volume 31, Number 2, 1977

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