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The Quintessential NaturalistHonoring the Life and Legacy of Oliver P. Pearson$
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Douglas Kelt and Deborah Kaspin

Print publication date: 2007

Print ISBN-13: 9780520098596

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520098596.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 06 July 2022

Patterns of Small Mammal Species Richness in Mediterranean and Temperate Chile

Patterns of Small Mammal Species Richness in Mediterranean and Temperate Chile

Patrones En La Riqueza De Especies De PequeñOs MamíFeros En Las Regiones MediterráNea Y Templada De Chile

(p.274) (p.275) Patterns of Small Mammal Species Richness in Mediterranean and Temperate Chile
The Quintessential Naturalist

Hernán L. Cofré

Horacio Samaniego

Pablo A. Marquet

University of California Press

This chapter analyzes richness and rarity patterns of small mammals (rodents and marsupials) in Mediterranean and Temperate Chile. It tests for the effect of environmental factors that may explain richness and endemism variability after accounting for spatial autocorrelation. The chapter also analyzes the relationship between species traits and correlates of rarity (density and range size) after accounting for phylogenetic relatedness. It shows that energy input and to a lesser degree glaciations may explain richness patterns of small mammals from forest habitats in Chile, whereas glaciations and topographic heterogeneity are associated with endemicity patterns. The chapter observes that when phylogenetic relatedness was accounted for, the number of vegetarian types was the only ecological trait significantly associated with density and latitudinal range. It notes that the results reinforce the importance of energy availability and productivity in determining patterns in biodiversity.

Keywords:   richness and rarity, small mammals, rodents and marsupials, Temperate Chile, spatial autocorrelation, species traits, phylogenetic relatedness, energy input, glaciations, biodiversity

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