2014
DOI: 10.1007/s00114-014-1222-y
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Does bird species diversity vary among forest types? A local-scale test in Southern Chile

Abstract: Birds are the most diverse vertebrate group in Chile, characterized by low species turnover at the country-size scale (high alpha but low beta diversities), resembling an island biota. We tested whether this low differentiation is valid at a local scale, among six forest habitat types. We detected 25 bird species; avifauna composition was significantly different among habitat types, with five species accounting for 60% of the dissimilarity. We found a higher level of bird assemblage differentiation across habi… Show more

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Cited by 21 publications
(15 citation statements)
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“…Forest structure can have strong effects on their avian assemblage composition [17,35]. In fact, the structural complexity of the vegetation can affect bird assemblages more than floristic richness [24], even at local scales [44,63]. We observed higher abundances of high forest-dependent bird species in reference sites than in restored ones.…”
Section: Discussionmentioning
confidence: 65%
“…Forest structure can have strong effects on their avian assemblage composition [17,35]. In fact, the structural complexity of the vegetation can affect bird assemblages more than floristic richness [24], even at local scales [44,63]. We observed higher abundances of high forest-dependent bird species in reference sites than in restored ones.…”
Section: Discussionmentioning
confidence: 65%
“…), many opiliones, and insects impossible to identify from photographic records (Appendix : Table S1). We expected to find more bird species associated to alerce trees but we only found five of them, representing about 20% of the species commonly found in the South American temperate rainforests (Fontúrbel and Jiménez ). Such a low number of bird species could be related to the height of camera‐trap location (since common species like Scelorchilus rubecula and Pteroptochos tarnii are restricted to the understory), to the placement of the camera trap within the tree (places to install the cameras were limited), or to food availability.…”
mentioning
confidence: 69%
“…En el paisaje de la cuenca del río Mira se observó una importante disminución en el índice del parche más grande para los ecosistemas Bs-I, bs-E, bmh-PM y bs-MB. Algunos estudios han registrado que la deforestación modifica el tamaño de los parches de bosque, y esto a su vez altera la estructura del bosque y la composición de especies (Altamirano et al, 2007;Echeverría et al, 2007;Fontúrbel y Jiménez, 2014;Rodríguez-Echeverry et al, 2015). En consecuencia, la probabilidad de disponibilidad de hábitat para mamíferos y aves en riesgo de extinción es menor a medida que la diversidad estructural del parche disminuye (Fontúrbel y Jiménez, 2014;Moreira-Arce et al, 2016;Moreno-García et al, 2014).…”
Section: Discussionunclassified
“…Algunos estudios han registrado que la deforestación modifica el tamaño de los parches de bosque, y esto a su vez altera la estructura del bosque y la composición de especies (Altamirano et al, 2007;Echeverría et al, 2007;Fontúrbel y Jiménez, 2014;Rodríguez-Echeverry et al, 2015). En consecuencia, la probabilidad de disponibilidad de hábitat para mamíferos y aves en riesgo de extinción es menor a medida que la diversidad estructural del parche disminuye (Fontúrbel y Jiménez, 2014;Moreira-Arce et al, 2016;Moreno-García et al, 2014). Por lo tanto, si la trayectoria actual de disminución del tamaño de parches en el paisaje estudiado continúa, se puede esperar un declive en la disponibilidad de hábitat, lo que podría aumentar el riesgo de extinción de especies amenazadas presentes en estos ecosistemas, tales como: C. quichua (Thomas, 1899), H. grayi (Delattre y Bourcier, 1846), D. elegans (Boulenger, 1896), entre otras.…”
Section: Discussionunclassified