David Yetman

Robert H. Robichaux

Only a day's drive south of the U.S.-Mexico border, a tropical deciduous forest opens up a world of exotic trees and birds that most people associate with tropical forests of more southerly latitudes. Like many such forests around the world, this diverse ecosystem is highly threatened, especially by large-scale agricultural interests that are razing it in order to plant grass for cattle. This book introduces the tropical deciduous forest of the Alamos region of Sonora, describing its biodiversity and the current threats to its existence. The book's contributors present the most up-to-date scientific knowledge of this threatened ecosystem. They review the natural history and ecology of its flora and fauna and explore how native peoples use the forest's many resources. Included in the book's coverage is a comprehensive plant list for the Río Cuchujaqui area that well illustrates the diversity of the forest. Other contributions examine tree species used by Mayo Indians and the numerous varieties of domesticated plants that have been developed over the centuries by the Mayos and other indigenous peoples. Also examined are the diversity and distribution of reptiles, amphibians, mammals, and birds in the region. The Tropical Deciduous Forest of Alamos provides critical information about a globally important biome. It complements other studies of similar forests and allows a better understanding of a diverse but vanishing ecosystem.

Biodiversity of a Threatened Ecosystem in Mexico

The Tropical Deciduous Forest of Alamos

Paul S. Martin

Thomas R. Van Devender

Mark E. Fishbein

Philip D. Jenkins

Rebecca K. Wilson

The Río Mayo region of northwestern Mexico is a major geographic area whose natural history remains poorly known to outsiders. Lying in a region where desert and tropical, northern and southern, and continental and coastal species converge, it boasts an abundance of flora first documented by Howard Scott Gentry in 1942 in a book now widely regarded as a classic of botanical literature. This new book updates and amends Gentry's Río Mayo Plants. Undertaken with Gentry's support and participation before his death in 1993, it reproduces the original text, which appears here with annotations, and contains information on over 2,800 taxa—more than twice the 1,200 species first described by Gentry. The annotated list of plants includes information on distribution, habitat, appearance, common names, and indigenous uses. A new introduction provides historical background and a review of geography and vegetation. It also describes changes to the land and river wrought by agricultural development, expanded grazing, and lumbering. Throughout the text, the authors have endeavored to provide information on Río Mayo vegetation while emphasizing local knowledge and use of plants, to preserve Gentry's field-oriented focus, and to present botanical information with Gentry's exuberance and style. Río Mayo Plants has long stood as a book that displays a scientist's love of the English language, his fondness for native peoples, and his eye for beauty in nature. This updating of that work fills a gap in the botanical literature of this portion of North America and will be useful not only for botanists but also for biogeographers, taxonomists, land managers, and conservationists.

The Tropical Deciduous Forest and Environs of Northwest Mexico

Gentry's Rio Mayo Plants

"A University of Arizona Southwest Center book"--Preliminary page.

An Intimate Geography

Sonora

Michael Sanderson

Alberto Burquez

Kevin Hultine

The saguaro, with its great size and characteristic shape, has become the emblem of the Sonoran Desert of southwestern Arizona and northwestern Mexico. This book offers a complete natural history of this enduring cactus, the largest and tallest in the United States. From its role in Sonoran Desert ecology, to its adaptations to the desert climate, to its sacred place in Indigenous culture, this book offers a definitive source on a distinguished desert plant.

A Natural History

The Saguaro Cactus

In the seventeenth and eighteenth centuries northwestern Mexico was the scene of ongoing conflict among three distinct social groups—Indians, religious orders of priests, and settlers. Priests hoped to pacify Indians, who in turn resisted the missionary clergy. Settlers, who often encountered opposition from priests, sought to dominate Indians, take over their land, and, when convenient, exploit them as servants and laborers. Indians struggled to maintain control of their traditional lands and their cultures and persevere in their ancient enmities with competing peoples, with whom they were often at war. The missionaries faced conflicts within their own orders, between orders, and between the orders and secular clergy. Some settlers championed Indian rights against the clergy, while others viewed Indians as ongoing impediments to economic development and viewed the priests as obstructionists. In this study, Yetman, distinguished scholar of Sonoran history and culture, examines seven separate instances of such conflict, each of which reveals a different perspective on this complicated world. Based on extensive archival research, Yetman’s account shows how the settlers, due to their persistence in these conflicts, emerged triumphant, with the Jesuits disappearing from the scene and Indians pushed into the background.

Indians, Priests, and Settlers

Conflict in Colonial Sonora

Natural Landmarks of Arizona celebrates the vast geological past of Arizona’s natural monuments through the eyes of a celebrated storyteller who has called Arizona home for most of his life. David Yetman shows us how Arizona’s most iconic landmarks were formed millions of years ago and sheds light on the more recent histories of these landmarks as well. These peaks and ranges offer striking intrusions into the Arizona horizon, giving our southwestern state some of the most memorable views, hikes, climbs, and bike rides anywhere in the world. They orient us, they locate us, and they are steadfast through generations. Whether you have climbed these peaks many times, enjoy seeing them from your car window, or simply want to learn more about southwestern geology and history, reading Natural Landmarks of Arizona is a fascinating way to learn about the ancient and recent history of beloved places such as Cathedral Rock, Granite Dells, Kitt Peak, and many others. With Yetman as your guide, you can tuck this book into your glove box and hit the road with profound new knowledge about the towering natural monuments that define our beautiful Arizona landscapes.

Natural Landmarks of Arizona

Towering over deserts, arid scrublands, and dry tropical forests, giant cacti grow throughout the Americas, from the United States to ArgentinaÑoften in rough terrain and on barren, parched soils, places inhospitable to people. But as David Yetman shows, many of these tall plants have contributed significantly to human survival. Yetman has been fascinated by columnar cacti for most of his life and now brings years of study and reflection to a wide-ranging and handsomely illustrated book. Drawing on his close association with the Guarij’os, Mayos, and Seris of MexicoÑpeoples for whom such cacti have been indispensable to survivalÑhe offers surprising evidence of the importance of these plants in human cultures. The Great Cacti reviews the more than one hundred species of columnar cacti, with detailed discussions of some 75 that have been the most beneficial to humans or are most spectacular. Focusing particularly on northwestern Mexico and the southwestern United States, Yetman examines the role of each species in human society, describing how cacti have provided food, shelter, medicine, even religiously significant hallucinogens. Taking readers to the exotic sites where these cacti are foundÑfrom sea-level deserts to frigid Andean heightsÑYetman shows that the great cacti have facilitated the development of native culture in hostile environments, yielding their products with no tending necessary. Enhanced by over 300 superb color photos, The Great Cacti is both a personal and scientific overview of sahuesos, soberbios, and other towering flora that flourish where few other plants growÑand that foster human life in otherwise impossible places.

Ethnobotany & Biogeography

The Great Cacti

University of Arizona, Southwest Center Staff

An engaging story of the author's search for and encounters with this reclusive tribe.

Hidden People of Northwestern Mexico

The Guarijios of the Sierra Madre

The Mayos, an indigenous people of northwestern Mexico, live in small towns spread over southern Sonora and northern Sinaloa, lands of remarkable biological diversity. Traditional Mayo knowledge is quickly being lost as this culture becomes absorbed into modern Mexico. Moreover, as big agriculture spreads into the region, the natural biodiversity of these lands is also rapidly disappearing. This engaging and accessible ethnobotany, based on hundreds of interviews with the Mayos and illustrated with the authors' strikingly beautiful photographs, helps preserve our knowledge of both an indigenous culture and an endangered environment. This book contains a comprehensive description of northwest Mexico's tropical deciduous forests and thornscrub on the traditional Mayo lands reaching from the Sea of Cortés to the foothills of the Sierra Madre. The first half of the book is a highly readable account of the climate, geology, and vegetation of the region. The authors also provide a valuable history of the people, their language, culture, festival traditions, and plant use. The second half of the book is an annotated list of plants presenting the authors' detailed findings on plant use in Mayo culture.

David Yetman

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