Reproductive characters of the hermit crab Pagurus proximus Komai, 2000 in Hakodate Bay, southern Hokkaido, Japan
スポンサーリンク
概要
- 論文の詳細を見る
Reproductive characters and population structure of the intertidal hermit crab, Pagurus proximus Komai, 2000, are described, based on samples collected monthly from Hakodate Bay, southern Hokkaido, Japan. Males were larger than females and the sex ratios of small and large crabs were female and male biased, respectively, although the overall sex ratio was not significantly biased from the 1:1 ratio. Ovigerous females were observed from February to July in 1999 and from January to June in 2000. At 12 and 16℃, the ovigerous period was 40.3 (±0.58 SD) and 30.8 (±1.62 SD) days, respectively. Some females may have multiple clutches per year based on egg developmental pattern in the field and the ovigerous periods.
著者
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和田 哲
Faculty Of Fisheries Hokkaido University
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Wada Satoshi
Faculty Of Fisheries Hokkaido University
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Wada Satoshi
Hokkaido Univ. Hakodate Jpn
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和田 哲
北海道大学水産学部
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WADA SATOSHI
Laboratory of Marine Biology, Graduate School of Fisheries Sciences, Hokkaido University
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Mima Azusa
Faculty of Fisheries, Hokkaido University
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Mima Azusa
Faculty Of Fisheries Hokkaido University
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Wada Satoshi
Laboratory Of Benthos Ecology Faculty Of Fisheries Hokkaido University
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Wada Satoshi
北海道大学水産学部海洋生物生産科学科生産基礎生物学講座
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