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Emblematic forest dwellers reintroduced into cities： resource selection by translocated juvenile kaka

Current Zoology 2016年第1期62卷 15-22页

作者： Mariano R. RECIO Keith PAYNE Philip J. SEDDON School of Surveying University of Otago PO Box 56 Dunedin New Zealand Department of Zoology University of Otago PO Box 56 Dunedin New Zealand Department of Physics University of Otago PO Box 56Dunedin New Zealand

Urbanization and exotic species are major threats to the conservation of forest-dependent wildlife species. Some emblematic species, indicators of habitat quality for the conservation of other spe- cies, might successfully be reintroduced within cities when habitat restoration and pest manage- ment programs are combined. We studied the landscape resource selection of juvenile kaka Nestor meridionalis tracked with Global Positioning System （GPS） units and released into the predator- free reserve of Zealandia in Wellington city, New Zealand. Kaka moved beyond the predator exclu- sion fence into urban suburbs. The home range size and areas of high use estimated using local convex hull （a-LoCoH） ranged from 20 to 240 ha and 2 to 21 ha, respectively. Using resource selec- tion functions and model selection we found that native forest patches and urban areas close to the reserve were selected by kaka to establish their home ranges. At a lower scale of selection （i.e., se- lection of habitats within home ranges）, kaka selected the same habitat, but not necessarily those close to the reserve. Native forest patches throughout the city can facilitate the dispersal of individ- uals, while the reserve provides protection and opportunities for supplementary feeding. Urban areas might have been selected due to the placement of feeders in private backyards. Survival of forest-dwelling species in cities requires careful urban planning and management to provide the necessary habitat patches, refugia, and food sources.

关键词： forest-dwellers GPS kaka New Zealand reintroductions resource selection urbanization Wellington.

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Using the movement patterns of reintroduced animals to improve reintroduction success

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Current Zoology 2014年第4期60卷 515-526页

作者： Oded BERGER-TAL David SALTZ Department of Ecology and Evolutionary Biology University of California Los Angeles Los Angeles & Applied Animal Ecology Division Institute for Conservation Research San Diego Zoo Global CA USA Mitrani Department of Desert Ecology Jacob Blaustein Institutes for Desert Research Ben-Gurion University of the Negev Israel

Despite their importance to conservation, reintroductions are still a risky endeavor and tend to fail, highlighting the need for more efficient post-release monitoring techniques. Reintroduced animals are released into unfamiliar novel environ ments and must explore their surroundings to gain knowledge in order to survive. According to theory, knowledge gain should be followed by subsequent changes to the animal＇s movement behavior, making movement behavior an excellent indicator of reintroduction progress. We aim to conceptually describe a logical process that will enable the inclusion of behavior （in particular, movement behavior） in management decision-making post-reintroductions, and to do so, we provide four basic components that a manager should look for in the behaviors of released animals. The suggested components are release-site fidelity, recurring locations, proximity to other individuals, and individual variation in movement behavior. These components are by no means the only possible ones available to a manager, but they provide an efficient tool to understanding animals＇ decision-making based on ecological theory; namely, the exploration-exploitation trade-off that released animals go through, and which underlies their behavior. We demonstrate our conceptual approach using data from two ungulate species reintroduced in Israel： the Persian fallow deer Dama mesopotamica and the Arabian oryx Oryx leucoryx [Current Zoology 60 （4）： 515-526, 2014] .

关键词： Adaptive management Arabian oryx Conservation behavior Exploration-exploitation trade-off Persian fallow deer reintroductions

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