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The Biology of Caves and Other Subterranean Habitats$
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David C. Culver and Tanja Pipan

Print publication date: 2019

Print ISBN-13: 9780198820765

Published to Oxford Scholarship Online: June 2019

DOI: 10.1093/oso/9780198820765.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 25 September 2021

Geography of Subterranean Biodiversity

Geography of Subterranean Biodiversity

(p.179) 8 Geography of Subterranean Biodiversity
The Biology of Caves and Other Subterranean Habitats

David C. Culver

Tanja Pipan

Oxford University Press

Globally, for troglobionts, southern Europe, especially the Dinaric karst, and the Canary Islands are regions of high richness. For stygobionts, southern Europe, especially the Dinaric karst, is a hotspot. Other sites are typically chemoautotrophic and/or phreatic. In Europe and North America, there appears to be a ridge of high troglobiotic and stygobiotic diversity in southern Europe and the southeast United States that corresponds to an area of long-term high surface productivity. In Europe, local diversity is a small component of regional stygobiotic diversity and the importance of spatial heterogeneity, historical climate stability, and productivity are both scale and spatially dependent. Habitat availability seems especially important at smaller scales. The analogy with islands in ecological time is most appropriate at scales smaller than caves, such as seeps or epikarst drips, and the analogy with caves in evolutionary time is more appropriate at larger scales, such as karst basins or contiguous karst areas.

Keywords:   Canary Islands, Dinaric karst, island analogies, productivity, spatial heterogeneity, species richness

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