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| DOI | 10.1016/J.FORECO.2010.05.004 | ||||
| Año | 2010 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Large wood (LW) abundance, longitudinal distribution and mobilization were studied in the Vuelta de la Zorra channel draining a third order catchment located in the Coastal mountain range of southern Chile. Seventy-five percent of the 586.8 ha study catchment area is covered by evergreen native rainforests, 24% by Eucalyptus nitens plantations and the remaining 1% are different sites were native tree and shrub species are regenerating in areas that were prepared for forest replacement in the late 1980s but finally left unplanted. In a segment, 1557 m in length, surveyed between November 2008 and February 2009, a total of 484 pieces representing 181 m(3) of LW were measured. Using bankfull width and length this volume corresponds to 109 m(3) ha(-1) or 11.6 m(3) 100 m(-1). LW was distributed along the channel in correlation with bankfull width. The channel segment was re-surveyed in December 2009 and we found that after one winter season 12% of the LW were transported downstream the river channel and 9 new wood elements were recruited. The LW traveled distance and traveled distance/piece diameter ratio decreased with increasing piece length/mean bankfull ratio. These results contribute to understand the complexity of LW abundance, mobilization and recruitment processes, and their effects on channel morphology, sediment routing and ecology in Chilean catchments. (C) 2010 Elsevier B.V. All rights reserved.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | IROUME-ARRAU, ANDRES BERNARDO | Hombre |
Universidad Austral de Chile - Chile
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| 2 | ANDREOLI-BRASCA, ANDREA | Mujer |
Universidad de Concepción - Chile
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| 3 | Comiti, F. | Hombre |
Free Univ Bolzen Bolzano - Italia
Free University of Bozen-Bolzano - Italia |
| 4 | ULLOA-CONTRERAS, HECTOR | Hombre |
Universidad Austral de Chile - Chile
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| 5 | Huber, Anton | Hombre |
Universidad Austral de Chile - Chile
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| Fuente |
|---|
| FONDECYT |
| Fondo Nacional de Desarrollo Científico, Tecnológico y de Innovación Tecnológica |
| Fondo Nacional de Desarrollo CientÃfico, Tecnológico y de Innovación Tecnológica |
| Agradecimiento |
|---|
| This research was funded by Project FONDECYT 1080249. We are grateful to The Nature Conservancy for their interest and support in the Vuelta de la Zorra study. The manuscript and analysis were considerably improved by inputs from two anonymous reviewers. |
| This research was funded by Project FONDECYT 1080249. We are grateful to The Nature Conservancy for their interest and support in the Vuelta de la Zorra study. The manuscript and analysis were considerably improved by inputs from two anonymous reviewers. |