Article
Improved viability of populations with diverse life-history portfolios.
Biology letters - 23 Jun 2010
Greene Correigh M, Hall Jason E, Guilbault Kimberly R, Quinn Thomas P
Abstract excerpt
A principle shared by both economists and ecologists is that a diversified portfolio spreads risk, but this idea has little empirical support in the field of population biology. We found that population growth rates (recruits per spawner) and life-history diversity as measured by variation in freshwater and ocean residency were negatively correlated across short time periods (one to two generations), but...
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