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Article: Amphibian Population Declines
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- Water:Science and Issues
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CopyrightCOPYRIGHT 2003 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Amphibian Population Declines
An unparalleled diminishment in populations is occurring worldwide in many species of amphibians (frogs, toads, and salamanders). Although there are various causes for declining amphibian populations, the most obvious is habitat destruction. However, introduced
exotic
species,
pathogens
, pollution, and global environmental changes all contribute. Moreover, various factors can act together to produce adverse effects on amphibians.
Because amphibians are important
predators
and
prey
in many
ecosystems
, declines in their populations may affect many other species that live within the same ecological community. For example, populations of aquatic ...