Abstract Title

Osprey Habitat Suitability in West-Central Idaho

Disciplines

Behavior and Ethology | Biology | Ecology and Evolutionary Biology | Population Biology

Abstract

Ospreys (Pandion haliaetus) are fish-eating, top predators of aquatic ecosystems that are adapted to human landscapes and useful sentinel species for monitoring environmental contaminants and ecosystem health. Ospreys have been a focal point of conservation and study since their extensive decline from 1950-1970. While the majority of populations in the USA have recovered, breeding densities in many areas are variable; with many areas unoccupied despite the apparent existence of quality habitat. Distance to human disturbance, prey abundance, water quality and characteristics, distance to other raptor nests, and land use and cover (LUAC) are known to affect Osprey nesting success. In light of increasing human encroachment on Osprey breeding habitat in Long Valley Idaho, we set out to evaluate relationships among nest characteristics and Osprey nesting success. We used a multivariate generalized linear model with model selection procedures to evaluate the relative importance of LUAC and nest characteristics on Osprey nesting success. Here, we present the results of our model and discuss their applications for conservation efforts and Osprey management guidelines.

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Osprey Habitat Suitability in West-Central Idaho

Ospreys (Pandion haliaetus) are fish-eating, top predators of aquatic ecosystems that are adapted to human landscapes and useful sentinel species for monitoring environmental contaminants and ecosystem health. Ospreys have been a focal point of conservation and study since their extensive decline from 1950-1970. While the majority of populations in the USA have recovered, breeding densities in many areas are variable; with many areas unoccupied despite the apparent existence of quality habitat. Distance to human disturbance, prey abundance, water quality and characteristics, distance to other raptor nests, and land use and cover (LUAC) are known to affect Osprey nesting success. In light of increasing human encroachment on Osprey breeding habitat in Long Valley Idaho, we set out to evaluate relationships among nest characteristics and Osprey nesting success. We used a multivariate generalized linear model with model selection procedures to evaluate the relative importance of LUAC and nest characteristics on Osprey nesting success. Here, we present the results of our model and discuss their applications for conservation efforts and Osprey management guidelines.