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No. de sistema: 000028165

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008 _ _ 181108m20189999xx^qr^p^^^^^^z0^^^a0eng^d
040 _ _ a| ECO
c| ECO
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245 0 0 a| Tropical tree species diversity in a mountain system in southern Mexico
b| local and regional patterns and determinant factors
520 1 _ a| Mechanisms explaining patterns of biodiversity along elevation gradients in tropical mountain systems remain controversial. We use a set of climatic, topographic, and soil variables encompassing regional, landscape, and local-level spatial scales to explain the spatial variation of tree species diversity in the Sierra Madre of Chiapas, Mexico. We sampled 128 circular plots (0.1-ha each) in four elevational bands along four elevation gradients or transects encompassing 100–2200 m. A total of 12,533 trees belonging to 444 species were recorded. Diversity patterns along the elevation gradient and the explanatory power of independent variables were dependent on spatial scale (regional vs transect) and functional group (total vs late-successional or pioneer species). Diversity of all species and late-successional species (1 – proportion of pioneer species) showed a constant pattern at the regional and transect scales, with low predictive power of climatic variables and/or elevation. A linear decrease in either number or proportion of pioneer species diversity was observed with increasing elevation, which was correlated with temperature, rainfall, and human disturbance trends. Total species diversity showed an increase with rainfall of the warmest quarter, indicating a regional-level limiting effect of seasonality (drought duration). Yet the explanatory power of climatic and topographic variables was higher at the individual transect level than at the regional scale, suggesting the parallel but differential influence of evolutionary and geological history factors on diversification not so far studied to explain elevation patterns of species diversity in tropical mountain systems.
533 _ _ a| Reproducción electrónica en formato PDF
538 _ _ a| Adobe Acrobat profesional 6.0 o superior
650 _ 4 a| Biodiversidad forestal
650 _ 4 a| Variación espacial
650 _ 4 a| Grupo funcional
650 _ 4 a| Topografía
650 _ 4 a| Cambio climático
651 _ 4 a| Sierra Madre de Chiapas (México)
700 1 _ a| Martínez Camilo, Rubén
700 1 _ a| González Espinosa, Mario
d| 1950-
e| coaut.
700 1 _ a| Ramírez Marcial, Neptalí
d| 1963-
e| coaut.
700 1 _ a| Cayuela Delgado, Luis
c| Doctor
e| coaut.
700 1 _ a| Pérez Farrera, Miguel Ángel
e| coaut.
773 0 _
t| Journal of Environmental Management
g| Vol. 50, no. 3 (May 2018), p. 499–509
x| 1744-7429
856 4 1 u| https://onlinelibrary.wiley.com/doi/full/10.1111/btp.12535
z| Artículo electrónico
901 _ _ a| Artículo con arbitraje
902 _ _ a| Artículo con arbitraje
902 _ _ a| GOG / MM
904 _ _ a| Noviembre 2018
905 _ _ a| Artecosur
905 _ _ a| Artfrosur
905 _ _ a| Servibosques
905 _ _ a| Biblioelectrónica
LNG eng
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Tropical tree species diversity in a mountain system in southern Mexico: local and regional patterns and determinant factors
Martínez Camilo, Rubén (autor)
González Espinosa, Mario, 1950- (autor)
Ramírez Marcial, Neptalí, 1963- (autor)
Cayuela Delgado, Luis (autor)
Pérez Farrera, Miguel Ángel (autor)
Contenido en: Journal of Environmental Management. Vol. 50, no. 3 (May 2018), p. 499–509. ISSN: 1744-7429
No. de sistema: 28165
Tipo: - Artículo con arbitraje
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"Mechanisms explaining patterns of biodiversity along elevation gradients in tropical mountain systems remain controversial. We use a set of climatic, topographic, and soil variables encompassing regional, landscape, and local-level spatial scales to explain the spatial variation of tree species diversity in the Sierra Madre of Chiapas, Mexico. We sampled 128 circular plots (0.1-ha each) in four elevational bands along four elevation gradients or transects encompassing 100–2200 m. A total of 12,533 trees belonging to 444 species were recorded. Diversity patterns along the elevation gradient and the explanatory power of independent variables were dependent on spatial scale (regional vs transect) and functional group (total vs late-successional or pioneer species). Diversity of all species and late-successional species (1 – proportion of pioneer species) showed a constant pattern at the regional and transect scales, with low predictive power of climatic variables and/or elevation. A linear decrease in either number or proportion of pioneer species diversity was observed with increasing elevation, which was correlated with temperature, rainfall, and human disturbance trends. Total species diversity showed an increase with rainfall of the warmest quarter, indicating a regional-level limiting effect of seasonality (drought duration). Yet the explanatory power of climatic and topographic variables was higher at the individual transect level than at the regional scale, suggesting the parallel but differential influence of evolutionary and geological history factors on diversification not so far studied to explain elevation patterns of species diversity in tropical mountain systems."


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