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Timing of Breeding

Tony D. Williams

in Physiological Adaptations for Breeding in Birds

Published in print:
2012
Published Online:
October 2017
ISBN:
9780691139821
eISBN:
9781400842797
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691139821.003.0003
Subject:
Biology, Ornithology

This chapter argues that the timing of the initiation of a single breeding event, or the initiation of the first of multiple breeding events within the same breeding season, is completely dependent ... More


Reproductive Rates in Fluctuating Populations

Charles J. Krebs

in Population Fluctuations in Rodents

Published in print:
2013
Published Online:
September 2013
ISBN:
9780226010359
eISBN:
9780226010496
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226010496.003.0003
Subject:
Biology, Ecology

Rodents are well known for their high rates of reproduction. A vole population with an adult weight of 30 grams would increase fivefold over a year while an 80-gram lemming would increase about three ... More


Populations, recruitment and competition

Hans Kruuk

in Otters: Ecology, behaviour and conservation

Published in print:
2006
Published Online:
April 2010
ISBN:
9780198565871
eISBN:
9780191728228
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198565871.003.0011
Subject:
Biology, Ecology, Animal Biology

This chapter discusses the methodology of assessing populations, surveys of faeces (spraints) and dens, use of radio-nuclides, and direct observations. Estimates of population densities are presented ... More


Bull to Bull and Cow to Bull

Dale F. Lott

in American Bison: A Natural History

Published in print:
2002
Published Online:
March 2012
ISBN:
9780520233386
eISBN:
9780520930742
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520233386.003.0001
Subject:
Biology, Natural History and Field Guides

Social life comes down to managing — one could almost say juggling — relationships. For bison, the most complex relationships play out during the intense though brief breeding season. Attraction, ... More


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