Mar 27, 2018

Population and evolutionary dynamics in spatially structured seasonally varying environments

Biological Reviews of the Cambridge Philosophical Society
Jane M ReidCalvin Dytham

Abstract

Increasingly imperative objectives in ecology are to understand and forecast population dynamic and evolutionary responses to seasonal environmental variation and change. Such population and evolutionary dynamics result from immediate and lagged responses of all key life-history traits, and resulting demographic rates that affect population growth rate, to seasonal environmental conditions and population density. However, existing population dynamic and eco-evolutionary theory and models have not yet fully encompassed within-individual and among-individual variation, covariation, structure and heterogeneity, and ongoing evolution, in a critical life-history trait that allows individuals to respond to seasonal environmental conditions: seasonal migration. Meanwhile, empirical studies aided by new animal-tracking technologies are increasingly demonstrating substantial within-population variation in the occurrence and form of migration versus year-round residence, generating diverse forms of 'partial migration' spanning diverse species, habitats and spatial scales. Such partially migratory systems form a continuum between the extreme scenarios of full migration and full year-round residence, and are commonplace in nature. Here, we...Continue Reading

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Mentioned in this Paper

Gene Polymorphism
Meta Analysis (Statistical Procedure)
Animal Migration
Technology, Health Care
Reproduction
Environment
Seasonal Variation
Spatio-Temporal Analysis
Signal Detection (Psychology)
Empirical Study

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