SPRING SEX AND AGE RATIOS OF LESSER SCAUP AND RING-NECKED DUCKS IN MINNESOTA

被引：10

作者：

ANDERSON, BW

KETOLA, TE

WARNER, DW

机构：

来源：

关键词：

D O I：

10.2307/3799674

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

引用

页码：209 / &

共 13 条

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[2]

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[3]

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[4] AGE AND SEX CRITERIA AND WEIGHTS OF CANADA GEESE [J].

ELDER, WH .

[5]

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[6]

Hochbaum H.A., 1944, CANVASBACK PRAIRIE M

[7]

Hochbaum H. Albert, 1942, TRANS NORTH AMER WILDLIFE CONF, V7, P299

[8]

JESSEN R, IN PRESS

[9]

McILHENNY E. A, 1940, AUK, V57, P85

[10]

MENDALL HL, 1958, U MAINE B, V60, P1