Forest and landscape structure as predictors of capercaillie occurrence

Article Abstract:

The influence of variables related to forest structure against landscape structure on prediction of capercaillie presence at different spatial scales is examined. Capercaillie occurrence is difficult to predict with small scale forest structure but more accurate predictions is possible at scale of stand mosaic where variables of forest structure are different in different plot categories.

Switzerland, Habitat selection, Grouse, Report

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Effects of novel and historic predator urines on semi-wild western grey kangaroos

Article Abstract:

The chemosensory cues from the urine of native and nonnative canines used to manipulate the behavior of the western grey kangaroo (Macropus fuliginosus) revealed that native predator-based chemical cues affect patch selection, while increasing the fear for western grey herbivore.

Physiological aspects, Predation (Biology), Kangaroos, Olfactory receptors

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Flight-initiation distance in birds is dependent on intruder starting distance

Article Abstract:

Research is presented on flush distance, or the distance at which birds will move away from perceived threats, for 64 Australian avian species. Findings show that, in general, birds asses risk dynamically, and will move greater distances as intruder starting distances increase.

Measurement, Environmental aspects, Birds, Protection of, Bird conservation, Danger perception

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