The Natural Regulation of Animal Numbers |
Contents
INTRODUCTION | 1 |
THE COMPARATIVE STABILITY OF POPULATIONS | 7 |
THE SIGNIFICANCE OF CLUTCHSIZE IN BIRDS | 24 |
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Common terms and phrases
10-year cycle abundant adults Alpine Swift animals arctic average clutch birds Blue Tit Bobwhite breeding season broods California Quail cause cent Chapter chicks clutch-size Coal Tit colonies Common Swift Crossbill cyclic death-rate deer density-dependent disease ducks emigration Europe factors feeding females figures Finland fish fluctuations food shortage food supply further gallinaceous birds habitat hatched Hence higher increase individuals insects irruptions juveniles Kluijver Lack Lapwing large numbers larvae lemmings limit losses males mammals migration mortality natural selection nest nestling normally North America number of eggs number of young numbers parasites passerine passerine birds peak pine population density predators prey proportion raise Red Grouse region reproductive rate ringed Robin rodents Ruffed Grouse shown similar Song Thrush song-birds Sparrow Sparrowhawk species Spotted Woodpecker Starling starvation studied summer survival Swift Table territories Tinbergen tion usually variations various Varying Hare voles Warbler Waxwing White Stork winter woods Yellow-eyed Penguin