INCREASING MALLARDS, DECREASING AMERICAN BLACK DUCKS - NO EVIDENCE FOR CAUSE AND EFFECT - A COMMENT

被引：19

作者：

CONROY, MJ ^{[1
]}

BARNES, GG ^{[1
]}

BETHKE, RW ^{[1
]}

NUDDS, TD ^{[1
]}

机构：

[1] UNIV GUELPH,DEPT ZOOL,GUELPH N1G 2W1,ONTARIO,CANADA

来源：

关键词：

D O I：

10.2307/3809611

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：1065 / 1071

页数：7

共 22 条

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[2] ANKNEY CD, 1988, J WILDLIFE MANAGE, V52, P378
[3] INCREASING MALLARDS, DECREASING AMERICAN BLACK DUCKS - COINCIDENCE OR CAUSE AND EFFECT
ANKNEY, CD
DENNIS, DG
BAILEY, RC
[J]. JOURNAL OF WILDLIFE MANAGEMENT, 1987, 51 (03) : 523 - 529
[4] BARNES GG, 1988, THESIS U GUELPH ONT
[5] Collins J.M., 1974, Canadian Wildl Serv Rep Ser, VNo. 29, P32
[6] Cooch F. G., 1978, CAN WILDL SERV REP S, V43, P8
[7] Dennis D.G., 1974, Canadian Wildl Serv Rep Ser, VNo. 29, P45
[8] Dennis D.G., 1974, Canadian Wildl Serv Rep Ser, VNo. 29, P53
[9] DENNIS DG, 1984, WATERFOWL STUDIES ON, P27
[10] Heusmann H.W., 1974, Wildlife Soc Bull, V2, P171