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A regional perspective on the diversity and conservation of tropical Andean fishes. | LitMetric

A regional perspective on the diversity and conservation of tropical Andean fishes.

Conserv Biol

The Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, IL 60605, U.S.A.

Published: February 2011

AI Article Synopsis

Article Abstract

The tropical Andes harbor an extraordinarily varied concentration of species in a landscape under increasing pressure from human activities. Conservation of the region's native plants and animals has received considerable international attention, but the focus has been on terrestrial biota. The conservation of freshwater fauna, particularly the conservation of fishes, has not been emphasized. Tropical Andean fishes are among the most understudied vertebrates in the world. We estimate that between 400 and 600 fish species inhabit the diverse aquatic environments in the region. Nearly 40% of these species are endemic. Tropical Andean fishes are vulnerable to ongoing environmental changes related to deforestation, water withdrawals, water pollution, species introductions, and hydropower development. Additionally, their distributions and population dynamics may be affected by hydrologic alterations and warmer water temperatures associated with projected climate change. Presently, at least three species are considered extinct, some populations are endangered, and some species are likely to decline or disappear. The long-term persistence of tropical Andean fishes will depend on greater consideration of freshwater systems in regional conservation initiatives.

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Source
http://dx.doi.org/10.1111/j.1523-1739.2010.01568.xDOI Listing

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