Population Ecology and Population Heritability

Michael J. Wade

in Adaptation in Metapopulations

Published by University of Chicago Press

Published in print May 2016 | ISBN: 9780226129563
Published online January 2017 | e-ISBN: 9780226129877 | DOI:
Population Ecology and Population Heritability

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This chapter contains a discussion of the ecological and the genetic causes of variation in population growth rate in the flour beetle, Tribolium, especially as they are affected by variation in founder number and competition with other species. By relaxing group selection for three years, the author and his colleagues discovered correlated responses of population traits to group selection. These included outbreaks, density cycles, demographic variations, changes in competitive ability and a tendency toward local extinctions.

Keywords: competitive ability of group-selected populations; density cycles with low rates of population growth; End of the McCauley Era; interaction of genetics and ecology; outbreaks with high rates of population growth; relaxation of group selection; variation of fitness within a wild population

Chapter.  7832 words.  Illustrated.

Subjects: Evolutionary Biology

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