Freshwater Ecoregions of the World: A New Map of Biogeographic Units for Freshwater Biodiversity Conservation
Пресноводные экорегионы мира: новая карта биогеографических единиц для сохранения биоразнообразия пресных вод
2008-05-01
SCID: 54.1/mx29wgj5
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freshwater biodiversity conservationfreshwater biogeographic regionalizationfreshwater ecoregionsfreshwater fish speciesglobal conservation planning
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Abstract (AI)
We present a new map depicting the first global biogeographic regionalization of Earth's freshwater systems. This map of freshwater ecoregions is based on the distributions and compositions of freshwater fish species and incorporates major ecological and evolutionary patterns. Covering virtually all freshwater habitats on Earth, this ecoregion map, together with associated species data, is a useful tool for underpinning global and regional conservation planning efforts (particularly to identify outstanding and imperiled freshwater systems); for serving as a logical framework for large-scale conservation strategies; and for providing a global-scale knowledge base for increasing freshwater biogeographic literacy. Preliminary data for fish species compiled by ecoregion reveal some previously unrecognized areas of high biodiversity, highlighting the benefit of looking at the world's freshwaters through a new framework.
Key Findings
1
Freshwater ecoregions are delineated using freshwater fish distributions and assemblages, incorporating major ecological and evolutionary patterns.
2
Preliminary ecoregion-level fish data identify previously unrecognized areas of high biodiversity, demonstrating the value of this new framework.
3
The ecoregion map provides a framework for large-scale conservation strategies and a global knowledge base for freshwater biogeographic literacy.
4
The map covers virtually all freshwater habitats and, with associated species data, supports global and regional freshwater conservation planning.
5
The paper presents the first global biogeographic regionalization of Earth’s freshwater systems through a map of freshwater ecoregions.
Research Object
Earth's freshwater systems and habitats
Research Subject
Global biogeographic regionalization based on freshwater fish species distributions and compositions, including major ecological and evolutionary patterns, for biodiversity conservation planning
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2008-05-01
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