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vol. 169, no. 1 the american naturalist january 2007 Age-Specific Fitness Components and Their Temporal
 

Summary: vol. 169, no. 1 the american naturalist january 2007
Age-Specific Fitness Components and Their Temporal
Variation in the Barn Owl
Res Altwegg,1,2,* Michael Schaub,3,4,
and Alexandre Roulin5,
1. Avian Demography Unit, Department of Statistical Sciences,
University of Cape Town, Rondebosch 7701, South Africa;
2. Department of Biology, University of Victoria, Victoria, British
Columbia, Canada;
3. Swiss Ornithological Institute, CH-6204 Sempach, Switzerland;
4. Conservation Biology, Zoological Institute, University of Bern,
Baltzerstrasse 6, CH-3012 Bern, Switzerland;
5. Department of Ecology and Evolution, University of Lausanne,
Biology Building, 1015 Lausanne, Switzerland
Submitted April 28, 2006; Accepted July 28, 2006;
Electronically published November 28, 2006
abstract: Theory predicts that temporal variability plays an im-
portant role in the evolution of life histories, but empirical studies
evaluating this prediction are rare. In constant environments, fitness
can be measured by the population growth rate l, and the sensitivity

  

Source: Altwegg, Res - Avian Demography Unit, Department of Statistical Sciences, University of Cape Town
Richner, Heinz - Zoologischen Institut, Universitšt Bern

 

Collections: Environmental Sciences and Ecology