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Readers familiar with the first three editions of Ecology and Classification of North American Freshwater Invertebrates (edited by J.H. Thorp and A.P. Covich) will welcome the comprehensive revision and expansion of that trusted professional reference manual and educational textbook from a single North American tome into a developing multi-volume series covering inland water invertebrates of the world. The series entitled Thorp and Covich's Freshwater Invertebrates (edited by J.H. Thorp) begins with the current Volume I: Ecology and General Biology (edited by J.H. Thorp and D.C. Rogers), which is designed as a companion volume for the remaining books in the series. Those following volumes pr...
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My interest in ancient Maya agriculture began late in the year of 1971 when William M. Denevan encouraged me to pursue the topic. Our interests had been perked by reports from Joseph W. Ball, JaCk Eaton, and Irwin Rovner of the presence of terrace-like features throughout the Rio Bee region of the soutnern Yucatan Peninsula. Denevan maintained a long-term interest in pre-Hispanic agriculture and population in the New World. Our studies with the emerging Rio Bee research group at the University of Wisconsin led to the conclusion that the then dominant themes of Maya agriculture were in need of reevaluation and that a number of remains of intensive forms of agriculture were likely to be found in the Central Maya lowlands of Mexico, Peten (Guatemala), and Belize, particularly wetland or raised fields in addition to the reported terraces. Our interests were heightened at this time by notification from Alfred Siemens of the finds of wetland fields in the vicinity of the Rio Bee region in the Chetumal, Mexico-northern Belize area.
Global change threatens ecosystems worldwide, and tropical systems with their high diversity and rapid development are of special concern. We can mitigate the impacts of change if we understand how tropical ecosystems respond to disturbance. For tropical forests and streams in Puerto Rico this book describes the impacts of, and recovery from, hurricanes, landslides, floods, droughts, and human disturbances in the Luquillo Mountains of Puerto Rico. These ecosystems recover quickly after natural disturbances, having been shaped over thousands of years by such events. Human disturbance, however, has longer-lasting impacts. Chapters are by authors with many years of experience in Puerto Rico and other tropical areas and cover the history of research in these mountains, a framework for understanding disturbance and response, the environmental setting, the disturbance regime, response to disturbance, biotic mechanisms of response, management implications, and future directions. The text provides a strong perspective on tropical ecosystem dynamics over multiple scales of time and space.
This collection draws on the most up-to-date investigations of Maya practices to show that the lowland Maya utilized a highly flexible regional and local approach in their management of agricultural, mineral, game, and water resources.
A critically acclaimed science writer and neurobiologist, author of The Cerebral Symphony, explores one of the greatest mysteries of human origins: what caused the huge and sudden changes that made an ape brain evolove into the human brain? Line drawings throughout.