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Gora-gory

New paper on differences in connectivity based on habitat versus movement models for brown bears in the Carpathians

news21 LandscapeEcology Connectivity assessments typically rely on resistance surfaces derived from habitat models, assuming that higher-quality habitat facilitates movement. This assumption remains largely untested though, and it is unlikely that the same environmental factors determine both animal movements and habitat selection, potentially biasing connectivity assessments. Our findings highlighted that connectivity assessments should be based on movement information if available, rather than generic habitat models. However, the parameterization of movement models is important, because the type of movement events considered and the sampling method of environmental covariates, can greatly affect connectivity assessments, and hence the predicted corridors.

More info: Ziolkowska E., Ostapowicz K., Radeloff V., Kuemmerle T., Sergiel A., Zwijacz-Kozica T., Zięba F., Śmietana W., Selva N. 2016. Assessing differences in connectivity based on habitat versus movement models for brown bears in the Carpathians. Landscape Ecology 03/2016; DOI: 10.1007/s10980-016-0368-8