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Memorias de investigación
Artículos en revistas:
Effects of forest landscape change and management on the range expansion of forest bird species in the Mediterranean region
Año:2010
Áreas de investigación
  • Monte
Datos
Descripción
In the western Mediterranean region of Catalonia (NE Spain), during the last 20 years of the 20th century, the range of many forest bird species has expanded. Our objective was to characterize the roles of (a) spatial population processes (related to dispersal), (b) changes in forest structure (due to forest maturation and management), and (c) landscape composition (resulting from afforestation and fires) in the range expansion of these bird species at the landscape scale (10  10 km). After correcting for the differences in sampling effort, colonizations appeared to be more likely near areas in which the species had been present in the 1980s. Patterns of the range expansion were also strongly associated with forest maturation, which seems to affect the spatial arrangement of birds at multiple scales. Changes in forest landscape composition due to afforestation and fires were minor determinants of range changes, and forest management did not seem to prevent range expansion at the spatial scale studied. Colonization events appeared to be driven primarily by landscape changes occurring in nearby localities rather than within the colonized locations themselves, presumably because of source¿sink dynamics and connectivity patterns. Our results showed that in Catalonia, at a landscape scale, the impact of forest management on forest bird communities is much smaller than the impact of the widespread maturation of forests following a large-scale decline in traditional uses.
Internacional
Si
JCR del ISI
Si
Título de la revista
FOREST ECOLOGY AND MANAGEMENT
ISSN
0378-1127
Factor de impacto JCR
1,95
Información de impacto
Volumen
259
DOI
Número de revista
Desde la página
1338
Hasta la página
1346
Mes
ENERO
Ranking
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Participantes
  • Autor: Santiago Fulgencio Saura Martinez de Toda (UPM)
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Economía y Sostenibilidad del Medio Natural
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