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  • Global diversity of dragonflies (Odonata) in freshwater

    Author(s)
    Kalkman, VJ
    Clausnitzer, V
    Dijkstra, KDB
    Orr, AG
    Paulson, DR
    Van Tol, J
    Griffith University Author(s)
    Orr, Albert G.
    Year published
    2008
    Metadata
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    Abstract
    Larvae of almost all of the 5,680 species of the insect order Odonata (dragonflies and damselflies) are dependent on freshwater habitats. Both larvae and adults are predators. The order is relatively well studied, and the actual number of species may be close to 7,000. Many species have small distributional ranges, and are habitat specialists, including inhabitants of alpine mountain bogs, seepage areas in tropical rain forests, and waterfalls. They are often successfully used as indicators for environmental health and conservation management. The highest diversity is found in flowing waters in rain forests of the tropics, ...
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    Larvae of almost all of the 5,680 species of the insect order Odonata (dragonflies and damselflies) are dependent on freshwater habitats. Both larvae and adults are predators. The order is relatively well studied, and the actual number of species may be close to 7,000. Many species have small distributional ranges, and are habitat specialists, including inhabitants of alpine mountain bogs, seepage areas in tropical rain forests, and waterfalls. They are often successfully used as indicators for environmental health and conservation management. The highest diversity is found in flowing waters in rain forests of the tropics, the Oriental and Neotropical regions being the most speciose. This paper discusses diversity, summarises the biogeography of dragonflies in the different biogeographical regions and gives the total number of species and genera per family per biogeographical region. Examples are given of areas of particular diversity, in terms of areas of endemism, presence of ancient lineages or remarkable recent radiations but no well-based review of areas with high endemism of dragonflies is available so far. The conservation status of dragonflies is briefly discussed. Species confined to small remnants of forest in the tropics are most under threat of extinction by human activities.
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    Journal Title
    Hydrobiologia: the international journal on limnology
    Volume
    595
    DOI
    https://doi.org/10.1007/s10750-007-9029-x
    Subject
    Earth sciences
    Environmental sciences
    Conservation and biodiversity
    Biological sciences
    Publication URI
    http://hdl.handle.net/10072/26203
    Collection
    • Journal articles

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