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      Variation in the species richness of parasitoid wasps (Ichneumonidae: Pimplinae and Rhyssinae) across sites on different continents

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          Global hotspots of species richness are not congruent with endemism or threat.

          Biodiversity hotspots have a prominent role in conservation biology, but it remains controversial to what extent different types of hotspot are congruent. Previous studies were unable to provide a general answer because they used a single biodiversity index, were geographically restricted, compared areas of unequal size or did not quantitatively compare hotspot types. Here we use a new global database on the breeding distribution of all known extant bird species to test for congruence across three types of hotspot. We demonstrate that hotspots of species richness, threat and endemism do not show the same geographical distribution. Only 2.5% of hotspot areas are common to all three aspects of diversity, with over 80% of hotspots being idiosyncratic. More generally, there is a surprisingly low overall congruence of biodiversity indices, with any one index explaining less than 24% of variation in the other indices. These results suggest that, even within a single taxonomic class, different mechanisms are responsible for the origin and maintenance of different aspects of diversity. Consequently, the different types of hotspots also vary greatly in their utility as conservation tools.
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            Tropical Forest Biodiversity: Distributional Patterns and Their Conservational Significance

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              Tree species richness of upper Amazonian forests

               A. Gentry (1988)

                Author and article information

                Insect Conservation and Diversity
                Insect Conserv Divers
                May 2018
                May 2018
                December 21 2017
                : 11
                : 3
                : 305-316
                [1 ]Zoological Museum, Biodiversity Unit; University of Turku; Turku Finland
                [2 ]Department of Biology; University of York; York UK
                [3 ]Department of Entomology; Royal Belgian Institute of Natural Sciences (RBINS); Brussels Belgium
                [4 ]Research Group Terrestrial Ecology (TEREC); University of Ghent (UGent); Ghent Belgium
                [5 ]Research Group Species Diversity (SPECDIV); Research Institute for Nature and Forest (INBO); Brussels Belgium
                [6 ]Departamento de Biodiversidad y Biología Evolutiva; Museo Nacional de Ciencias Naturales (CSIC); Madrid Spain
                [7 ]Department of Life Sciences; the Natural History Museum; London UK
                [8 ]Department of Biology; University of Eastern Finland; Joensuu Finland
                [9 ]Department of Biology; University of Turku; Turku Finland
                © 2017


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