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| Indexado |
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| DOI | 10.1007/S11284-010-0704-4 | ||||
| Año | 2010 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Conservation of forest birds in fragmented landscapes requires not only determining the critical patch characteristics influencing local population persistence but also identifying patch networks providing connectivity and suitable habitat conditions necessary to ensure regional persistence. In this study, we assessed the importance of patch attributes, patch connectivity, and network components (i.e., groups of interconnected patches) in explaining the occupancy pattern of the Thorn-tailed Rayadito (Aphrastura spinicauda), a forest bird species of central Chile. Using a daily movement threshold distance, we identified a total of 16 network components of sclerophyllous forest within the study area. Among those components, patch area and vegetation structure-composition were important predictors of patch occupancy. However, the inclusion of patch connectivity and component size (i.e., the area of a network component) into the models greatly increases the models' accuracy and parsimony. Using the best-fitted model, a total of 33 patches were predicted to be occupied by rayaditos within the study area, but such occupied patches were distributed in only six network components. These results suggest that persistence of rayaditos in central Chile requires the maintenance of large single patches and patch networks providing habitat and connectivity.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | VERGARA-EGERT, PABLO MARIO | Hombre |
Universidad de Santiago de Chile - Chile
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| 2 | Hahn, Ingo | Hombre |
Univ Munster - Alemania
Westfälische Wilhelms-Universität Münster - Alemania |
| 3 | Zeballos, Horacio | Hombre |
Ctr Estudios & Promoc Desarrollo DESCO - Perú
Centro de Estudios y Promoción del Desarrollo - Perú |
| 4 | ARMESTO-ZAMUDIO, JUAN JOSE | Hombre |
Pontificia Universidad Católica de Chile - Chile
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| Fuente |
|---|
| FONDECYT |
| DICYT |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Deutsche Forschungsgemeinschaft |
| Dicyt 02-0895SC |
| Agradecimiento |
|---|
| This study was financed by a postdoctoral fellowship under FONDECYT 3060083, FONDECYT 11080085 and Dicyt 02-0895SC. We express our gratitude to Jan O. Nystrom (Swedish Museum of Natural History), Beatriz Levi, and Samy Atala for suggestions and improvements in English language, and two anonymous reviewers for their valuable comments on the manuscript. |
| Acknowledgments This study was financed by a postdoctoral fellowship under FONDECYT 3060083, FONDECYT 11080085 and Dicyt 02-0895SC. We express our gratitude to Jan O. Nyström (Swedish Museum of Natural History), Beatriz Levi, and Samy Atala for suggestions and improvements in English language, and two anonymous reviewers for their valuable comments on the manuscript. |