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      Changes in tree and liana communities along a successional gradient in a tropical dry forest in south-eastern Brazil

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          Most cited references 46

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          Estimating terrestrial biodiversity through extrapolation.

          Both the magnitude and the urgency of the task of assessing global biodiversity require that we make the most of what we know through the use of estimation and extrapolation. Likewise, future biodiversity inventories need to be designed around the use of effective sampling and estimation procedures, especially for 'hyperdiverse' groups of terrestrial organisms, such as arthropods, nematodes, fungi, and microorganisms. The challenge of estimating patterns of species richness from samples can be separated into (i) the problem of estimating local species richness, and (ii) the problem of estimating the distinctness, or complementarity, of species assemblages. These concepts apply on a wide range of spatial, temporal, and functional scales. Local richness can be estimated by extrapolating species accumulation curves, fitting parametric distributions of relative abundance, or using non-parametric techniques based on the distribution of individuals among species or of species among samples. We present several of these methods and examine their effectiveness for an example data set. We present a simple measure of complementarity, with some biogeographic examples, and outline the difficult problem of estimating complementarity from samples. Finally, we discuss the importance of using 'reference' sites (or sub-sites) to assess the true richness and composition of species assemblages, to measure ecologically significant ratios between unrelated taxa, to measure taxon/sub-taxon (hierarchical) ratios, and to 'calibrate' standardized sampling methods. This information can then be applied to the rapid, approximate assessment of species richness and faunal or floral composition at 'comparative' sites.
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            Ecology of Seed Dispersal

             H Howe,  J Smallwood (1982)
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              Special Paper: A Global Biome Model Based on Plant Physiology and Dominance, Soil Properties and Climate

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                Author and article information

                Journal
                Plant Ecology
                Plant Ecol
                Springer Nature
                1385-0237
                1573-5052
                March 2009
                January 2009
                : 201
                : 1
                : 291-304
                10.1007/s11258-009-9580-9
                © 2009
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