Reproductive senescence in a long-lived seabird: Rates of decline in late-life performance are associated with varying costs of early reproduction
Evolutionary theories of senescence predict that rates of decline in performance parameters should be shaped by early-life trade-offs between reproduction and somatic maintenance. Here we investigate factors influencing the rate of reproductive senescence in a long-lived seabird, the common guillemot Uria aalge, using data collected over a 23-year period. In the last 3 years of life, individual guillemots had significantly reduced breeding success and were less likely to hold a site or attempt...[Show more]
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|Source:||The American Naturalist|
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