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タイトル: Historical effect in the territoriality of ayu fish.
著者: Tanaka, Yumi
Iguchi, Kei'ichiro
Yoshimura, Jin
Nakagiri, Nariyuki
Tainaka, Kei-ichi
掲載誌名: Journal of Theoretical Biology
出版者: Elsevier
巻: 268
号: 1
開始ページ: 98
終了ページ: 104
出版日付: 2011-01-07
権利: Copyright © 2010 Elsevier Ltd All rights reserved.
NDC: 461
抄録: Ayu fish form algae-feeding territories in a river during a non-breeding (growing) season. We build a cost-benefit theory to describe the breakdown and formation of territory. In the early stage of a growing season, all fish hold territories at low densities. Once all territory sites are occupied, excess fish become floaters. When fish density further increases, a phase transition occurs: all the territories suddenly break down and fish form a school. In contrast, when the fish density is decreased, territories are suddenly formed from the school. Both theory and experiments demonstrate that ayu should exhibit a historical effect: the breakdown and formation processes of territory are largely different. In particular, the theory in formation process predicts a specific fish behavior: an "attempted territory holder" that tries to have a small territory emerges just before the formation of territory.
E-ISSN: 10958541 OPAC
出版者DOI: 10.1016/j.jtbi.2010.09.040   
PMID: 20932981
NII書誌ID: AA11543455 OPAC ciniib
バージョン: author
出現コレクション:11. 雑誌論文・記事(Journal Article, Article, Preprint)

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Others By: Tanaka, Yumi -- Iguchi, Kei'ichiro -- Yoshimura, Jin (吉村, 仁) (ヨシムラ, ジン) -- Nakagiri, Nariyuki -- Tainaka, Kei-ichi (泰中, 啓一) (タイナカ, ケイイチ) (Tainaka, Keiichi)



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