Latitudinal variation in egg size and number in anadromous masu salmon Oncorhynchus masou

被引：20

作者：

Morita, K. ^{[1
]}

Tamate, T. ^{[2
]}

Sugimoto, Y. ^{[3
]}

Tago, Y. ^{[4
]}

Watanabe, T. ^{[4
]}

Konaka, H. ^{[5
]}

Sato, M. ^{[5
]}

Miyauchi, Y. ^{[6
]}

Ohkuma, K. ^{[7
]}

Nagasawa, T. ^{[1
]}

机构：

[1] Hokkaido Natl Fisheries Res Inst, Kushiro 0850802, Japan

[2] Hokkaido Univ, Field Sci Ctr No Biosphere, Sapporo, Hokkaido 0600809, Japan

[3] Ishikawa Prefecture Fisheries Res Ctr, Noto, Ishikawa 9270435, Japan

[4] Toyama Prefectural Fisheries Res Inst, Agr Forestry & Fisheries Res Ctr, Fisheries Res Inst, Toyama 9368536, Japan

[5] Akita Prefectural Fisheries Promot Ctr, Oga, Akita 0100531, Japan

[6] Japan Sea Natl Fisheries Res Inst, Niigata 9518121, Japan

[7] Natl Salmon Resources Ctr, Sapporo, Hokkaido 0620922, Japan

来源：

JOURNAL OF FISH BIOLOGY | 2009年 / 74卷 / 03期

基金：

日本学术振兴会;

关键词：

fecundity; latitudinal cline; offspring size; Pacific salmon; INTERPOPULATION VARIATION; REPRODUCTIVE TRAITS; FECUNDITY; HOKKAIDO; TRUTTA;

D O I：

10.1111/j.1095-8649.2008.02150.x

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Latitudinal variation in egg size and number in anadromous masu salmon Oncorhynchus masou was examined. Relatively greater variation in egg size occurred among rivers than among females within rivers or within females. Egg size was generally greater and egg number generally lower at more northerly latitudes.

引用

页码：699 / 705

页数：7

共 23 条

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