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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.
Following independence, most countries in Africa sought to develop, but their governments pursued policies that actually undermined their rural economies. Examining the origins of Africa’s “growth tragedy,” Markets and States in Tropical Africa has for decades shaped the thinking of practitioners and scholars alike. Robert H. Bates’s analysis now faces a challenge, however: the revival of economic growth on the continent. In this edition, Bates provides a new preface and chapter that address the seeds of Africa’s recovery and discuss the significance of the continent’s success for the arguments of this classic work.
Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.
Some general charscteristics of farming in a tropical environment; Shifting cultivation systems; Fallow systems; Ley systems; Systems with permanent upland cultivation; Systems with arable irrigation farming; Systems with perennial crops; Grazing systems; General tendences in the development of tropical farm systems.
Benjamin Cummings Truman (1835-1916) of Providence, Rhode Island, was a Civil War Union officer and newspaper correspondent before coming to California in 1866 as a special agent of the Post Office. In 1870 he was sent to Washington as correspondent for the New York Times and the San Francisco Bulletin but soon returned to become editor of the Los Angeles Evening Express, and owner of the Los Angeles Star. In 1879 he became chief of the literary bureau of the Southern Pacific Railway. Semi-tropical California (1874), written during his tenure at the Los Angeles Star, defines "semi-tropical" California as portions of Monterey, San Luis Obispo, Santa Barbara, Ventura, San Bernardino, and San Diego Counties, but devotes most of its attention to the city and county of Los Angeles and neighboring San Gabriel Valley. Truman discusses specific mines, residences, fruit orchards, vineyards, and ranches as well as general patterns of agriculture, sheep and cattle raising, irrigation, and mineral resources. Beyond Los Angeles, he describes the towns and cities of Anaheim, Wilmington, and San Bernardino.
A reprint of the classic 1939 bulletin by Whitney, Bowers, and Takahashi, this publication contains detailed descriptions of 84 varieties of taro found in Hawai'i. Appendices group the varieties into "finding lists" according to general descriptions. Eight pages of drawings and photographs illustrate the distinguishing morphological characteristics of the taro plant.