Columnar Cacti and Their Mutualists: Evolution, Ecology, and Conservation - Couverture souple

9780816540211: Columnar Cacti and Their Mutualists: Evolution, Ecology, and Conservation

Couverture souple

ISBN 10 : 0816540217 ISBN 13 : 9780816540211

Editeur : University of Arizona Press, 2019

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Although cacti such as the saguaro and organ pipe have come to define the Sonoran Desert for many people, they represent some 170 species of columnar cacti found in many parts of the Americas. These giant plants are so dominant in some ecosystems that many species of animals rely on them for food and shelter. They are pollinated by bats in central Mexico and Venezuela, by birds and bees in northern Mexico and Peru.

This book summarizes our knowledge about the ecology, evolution, and conservation of columnar cacti and their vertebrate mutualists to show that the very survival of these cacti depends on animals who pollinate them and disperse their seeds. Contributors from the United States, Mexico, Venezuela, and Colombia explore aspects of geology and evolution that have forged this relationship, review findings in anatomy and physiology, and discuss recent research in population and community ecology as well as conservation issues. Ranging from the Sonoran Desert to the northern Andes, these studies reflect progress in understanding how abiotic and biotic factors interact to influence the evolution, distribution, and abundance of cacti and mutualists alike.

In addition, this book examines the ways in which humans, through the process of domestication, have modified these plants for economic benefit. The contributors also review phylogenetic relationships between cacti and nectar-feeding bats in an effort to understand how bat-plant interactions have influenced the evolution of diversity and ecological specialization of both. Because of the number of migratory pollinators feeding on columnar cacti, the authors make conservation recommendations aimed at preserving fully functional ecosystems in arid portions of the New World tropics and subtropics.

Columnar Cacti and Their Mutualists provided a benchmark for both conservation efforts and future research.

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� propos de l?auteur

Theodore H. Fleming is a professor of biology at the University of Miami and the author of The Short-Tailed Fruit Bat: A Study in Plant-Animal Interactions. Alfonso Valiente-Banuet is the head of the Community Ecology Laboratory and the Department of Functional and Applied Ecology of the Institute of Ecology, UNAM.

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