Assessing the impact of toxic chemicals: temporal and spatial variation in avian survival rates.

Author Dobson, A.P. & Hudson, P.J.
Citation Dobson, A.P. & Hudson, P.J. (1993). Assessing the impact of toxic chemicals: temporal and spatial variation in avian survival rates. In: Kendall, R.J. & Lacher, T.E.Jr. (eds) Wildlife Toxicology and Population Modeling: Integrated studies of Agroecosystems: 85-98. Lewis Publishers, London.

Abstract

Avian survival varies on a number of temporal, spatial, and taxonomic scales. In order to determine the effect of human-induced environmental hazards on avian survival it is essential to have a complete understanding of the 'natural' variation in avian survival. This chapter examines four major sources of variation: interspecific variation in adult survival, geographic variation in adult survival, age-dependent survival, and seasonal patterns of survival. The concentration is on examining these patterns using data collected from long-term banding studies of common British bird species. We conclude by discussing how these data might be used to discern changes in avian survival due to either a buildup of toxic pollutants or long-term changes in climate.

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