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Type: Journal article
Title: The species richness of vascular plants and amphibia in major plant communities in temperate to tropical Australia: relationship with annual biomass production
Author: Specht, R.
Tyler, M.
Citation: International Journal of Ecology, 2010; 2010:1-17
Publisher: Hindawi Publishing Corporation
Issue Date: 2010
ISSN: 1687-9708
Statement of
R. L. Specht and M. J. Tyler
Abstract: Aerodynamic fluxes (frictional, thermal, evaporative) in the atmosphere as it flows over and through a plant community determine the Foliage Projective Covers and eco-morphological attributes of new leaves developed annually in overstorey and understorey strata. The number of leaves produced on vertical foliage shoots depends on available soil water and nutrients, also ambient temperature, during this short growth season. Stem density (number of stems per hectare) and species richness (number of species per hectare) in the overstorey of major Floristic Groups are correlated with annual shoot growth (ASG, t ha−1) in that stratum. Species richness in the overstorey increases in the climatic gradient from the arid to the humid zone as well as with increasing air temperatures (about 10οC) from temperate to tropical Australia. Species richness in the understorey is highest in plant communities in temperate Australia, decreasing in the temperature gradient towards the tropics. As with other major plant and animal groups within an ecosystem, the species richness of Amphibia is correlated with the amount of solar energy fixed (per annum) by the major plant formation in the region—a photosynthetic potential determined by the foliage shoots (ASG, t ha−1) produced annually in the overstorey.
Description: Extent: 17p.
Rights: Copyright © 2010 R. L. Specht and M. J. Tyler. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
RMID: 0020102945
DOI: 10.1155/2010/635852
Appears in Collections:Earth and Environmental Sciences publications

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