Sunday, January 22, 2006

Twenty-seven previously unknown species discovered

A terrestrial isopod from Clough Cave in Sequoia National Park. © NPS photo by Joel Despain.Calcina cloughensis is endemic to Clough Cave- it occurs exclusively in this cave and nowhere else in the world. © NPS photo by Joel Despain.
The unique cave animals of Sequoia and Kings Canyon are better protected than most because they are lucky enough to make their home in a National Park. This is important because the Sierra Nevada has recently been identified as one of the five "hotspots" for cave animal diversity in the United States. Some of the unique animals of these mountains live in the central Sierra, but many are also found in Sequoia and Kings Canyon.

The park cave with the greatest animal diversity is Clough. This cave is probably home to seven species of invertebrates that live no where else in the world. This includes a scorpion, a harvestmen and several species of spiders. The cave is at low elevation and is warm and seasonally wet. Tree roots provide food for many animals in Clough. Guano from an active bat colony provides additional food for invertebrates. There are several species of bats in Clough, including the rare, Townsend's Big-eared Bat (Corynorhinus townsendii).

Other park caves with unique species include Kaweah, Crystal, Hurricane, Lilburn, and possibly White Chief and Panorama.

Sequoia and Kings Canyon maintain an ongoing research and monitoring program to check on the populations of these animals. This involves more than 60 "plots", small areas of park caves that are checked for the presence or absence of the invertebrates.
Sequoia and Kings Canyon National Parks natural resources website

"Not only are these animals new to science, but they're adapted to very specific environments — some of them, to a single room in one cave," said Joel Despain, a cave specialist who helped explore 30 of the 238 known caves in Sequoia and Kings Canyon National Parks.
New Animal Species Found in Calif. Caves - Yahoo! News

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