Abstract

Seabirds, one of the most threatened groups of birds, are sensitive to environmental disturbances. The change of seabird population may be a consequence of climate change, overfishing, pollution and habitat loss. Seabird population size and structure vary with their foraging modes and food availability. The population biology of seabirds is characterized by delayed breeding, low reproductive rates, and long life spans seabirds are characterized by delayed breeding and sexual maturity, low reproductive rates, and long life span. These traits make seabird populations even more vulnerable to habitat and prey changes. Particularly, the decline of adult survival rate may impose long-lasting disruptions on population dynamics.

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