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Effect of habitat components on competitive interaction between native white-spotted charr and introduced brown trout

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Title: Effect of habitat components on competitive interaction between native white-spotted charr and introduced brown trout
Authors: Hasegawa, Koh Browse this author
Maekawa, Koji Browse this author
Issue Date: Sep-2006
Publisher: Oikos Publishers, Inc
Journal Title: Journal of Freshwater Ecology
Volume: 21
Issue: 3
Start Page: 475
End Page: 480
Abstract: In salmonid species, interspecific competition has been affirmed as the major mechanism of the replacement of native species by introduced species. However, competitive interactions are variable according to various habitat components. Our study on native white-spotted charr and introduced brown trout in a small creek in southwestern Hokkaido, Japan indicates that the intensity of the interspecific competition was reduced in structurally complex habitats, areas with numerous woody debris, because the native species were able to survive in those environments. Therefore, the replacement may be inhibited in structurally complex habitat.
Type: article (author version)
URI: http://hdl.handle.net/2115/14656
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長谷川 功

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