DETECTION OF DENSITY-DEPENDENT EFFECTS IN ANNUAL DUCK CENSUSES

[31] Trauger DL, 1978, T N AM WILDL NAT RES, V43, P187

[32] VARLEY GC, 1963, 16 P INT C ZOOL WASH, V1, P240

[33] DENSITY DEPENDENCE IN POPULATION FLUCTUATIONS [J]. CANADIAN ENTOMOLOGIST, 1964, 96 (08) : 1147 - &

[34] CLIMATIC INSTABILITY AND ECOLOGICAL SATURATION OF BIRD COMMUNITIES IN NORTH-AMERICAN GRASSLANDS [J]. CONDOR, 1974, 76 (04): : 385 - 400

[31] Trauger DL, 1978, T N AM WILDL NAT RES, V43, P187

[32] VARLEY GC, 1963, 16 P INT C ZOOL WASH, V1, P240

[33] DENSITY DEPENDENCE IN POPULATION FLUCTUATIONS [J]. CANADIAN ENTOMOLOGIST, 1964, 96 (08) : 1147 - &

[34] CLIMATIC INSTABILITY AND ECOLOGICAL SATURATION OF BIRD COMMUNITIES IN NORTH-AMERICAN GRASSLANDS [J]. CONDOR, 1974, 76 (04): : 385 - 400