The Effect of Climatic Gradients, Topographic Variation and Species Traits on the Beta Diversity of Rain Forest Trees

Aim: We assessed the rates of turnover of tree species with distance (beta diversity) in wet forests of the Western Ghats (WG) complex of India to see whether climate, topographic variation or species traits influence beta diversity. Location: The Western Ghats is a chain of mountains about 1600 km...

Ausführliche Beschreibung

Bibliographische Detailangaben
Veröffentlicht in:	Global Ecology and Biogeography. - John Wiley & Sons Ltd. - 16(2007), 4, Seite 510-518
1. Verfasser:	Davidar, Priya (VerfasserIn)
Weitere Verfasser:	Rajagopal, B., Mohandass, D., Puyravaud, Jean-Philippe, Condit, Richard, Wright, S. J., Leigh, E. G.
Format:	Online-Aufsatz
Sprache:	English
Veröffentlicht:	2007
Zugriff auf das übergeordnete Werk:	Global Ecology and Biogeography
Schlagworte:	Beta diversity climatic gradient India latitudinal gradient topographic heterogeneity trees tropical rain forest Western Ghats Environmental studies Biological sciences Physical sciences


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100	1		\|a Davidar, Priya \|e verfasserin \|4 aut
245	1	4	\|a The Effect of Climatic Gradients, Topographic Variation and Species Traits on the Beta Diversity of Rain Forest Trees
264		1	\|c 2007
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338			\|a Online-Ressource \|b cr \|2 rdacarrier
520			\|a Aim: We assessed the rates of turnover of tree species with distance (beta diversity) in wet forests of the Western Ghats (WG) complex of India to see whether climate, topographic variation or species traits influence beta diversity. Location: The Western Ghats is a chain of mountains about 1600 km in length, running parallel to the western coast of the Indian Peninsula from above 80 N to almost 21° N latitude. Methods: We used data from 60 small plot inventories concentrated in three regions: the southernmost part of the Western Ghats (SWG) (8°24′ to 9°37′ N), the Nilgiri Hills (11°12′ to 11°14′ N), and the central Western Ghats (CWG) (12°32′ to 14°51′ N). We used Sorensen's index (SI) to estimate the similarity in species composition between two plots and regressed SI against the logarithm of the distance between plots to assess beta diversity. A bootstrapping procedure provided confidence intervals for regression coefficients. To test for the effects of climate, we regressed seasonality differences between plots against SI for low-elevation (< 800 m) plots along the north-south axis, and all plots in the SWG. We assessed the impact of the rainfall gradient in the Kogar region. Results: Among all three regions, beta diversity was highest along the latitudinal axis, and along the rainfall gradient in the Kogar region. Differences in seasonality between sites were strongly related to beta diversity along the north-south seasonality gradient and within the SWG. Within the three regions, beta diversity was highest in the region with the strongest rainfall gradient and lowest for the topographically heterogeneous SWG. Beta diversity did not differ between forest strata and dispersal modes. Main conclusions: We conclude that climate, particularly seasonality, is probably the primary driver of beta diversity among rain forest trees of the Western Ghats complex.
540			\|a Copyright 2007 Blackwell Publishing
650		4	\|a Beta diversity
650		4	\|a climatic gradient
650		4	\|a India
650		4	\|a latitudinal gradient
650		4	\|a topographic heterogeneity
650		4	\|a trees
650		4	\|a tropical rain forest
650		4	\|a Western Ghats
650		4	\|a Environmental studies \|x Atmospheric sciences \|x Meteorology \|x Hydrometeorology \|x Precipitation \|x Rain
650		4	\|a Biological sciences \|x Ecology \|x Population ecology \|x Synecology \|x Biodiversity \|x Species diversity
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Dendrology \|x Trees
650		4	\|a Biological sciences \|x Ecology \|x Population ecology \|x Synecology \|x Biocenosis \|x Plant communities \|x Forests \|x Rain forests \|x Tropical rain forests
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plant ecology \|x Forest ecology
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Dendrology \|x Trees \|x Forest trees
650		4	\|a Biological sciences \|x Biology \|x Biological taxonomies \|x Species
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plants
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plant ecology
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Topography \|x Topographical elevation
650		4	\|a Environmental studies \|x Atmospheric sciences \|x Meteorology \|x Hydrometeorology \|x Precipitation \|x Rain
650		4	\|a Biological sciences \|x Ecology \|x Population ecology \|x Synecology \|x Biodiversity \|x Species diversity
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Dendrology \|x Trees
650		4	\|a Biological sciences \|x Ecology \|x Population ecology \|x Synecology \|x Biocenosis \|x Plant communities \|x Forests \|x Rain forests \|x Tropical rain forests
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plant ecology \|x Forest ecology
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Dendrology \|x Trees \|x Forest trees
650		4	\|a Biological sciences \|x Biology \|x Biological taxonomies \|x Species
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plants
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plant ecology
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Topography \|x Topographical elevation
655		4	\|a research-article
700	1		\|a Rajagopal, B. \|e verfasserin \|4 aut
700	1		\|a Mohandass, D. \|e verfasserin \|4 aut
700	1		\|a Puyravaud, Jean-Philippe \|e verfasserin \|4 aut
700	1		\|a Condit, Richard \|e verfasserin \|4 aut
700	1		\|a Wright, S. J. \|e verfasserin \|4 aut
700	1		\|a Leigh, E. G. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Global Ecology and Biogeography \|d John Wiley & Sons Ltd \|g 16(2007), 4, Seite 510-518 \|w (DE-627)320610276 \|w (DE-600)2021283-5 \|x 14668238 \|7 nnns
773	1	8	\|g volume:16 \|g year:2007 \|g number:4 \|g pages:510-518
856	4	0	\|u http://dx.doi.org/10.1111/j.1466-8238.2007.00307.x \|3 Volltext
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