Originally located in Doña Ana County in New Mexico Territory, the area that eventually became Graham County, Arizona, was part of a vast high desert landscape that stretched all the way to the Colorado River. In 1881, the Arizona legislature broke from the tradition of naming counties after local Native American tribes when it carved Graham County out of Pima and Apache Counties and named it for the 10,516-foot Mount Graham, the highest peak in the area. The last refuge of the legendary Native American war leader Geronimo, the region also boasts some of southeastern Arizona's most beautiful topography, including the Santa Teresa Range, Mount Turnbull, the Aravaipa Canyon Wilderness, Roper Lake, the Pinaleño Range, and the Gila River. Today more than 33,000 residents call Graham County home.
This long-anticipated reference and sourcebook for CaliforniaÕs remarkable ecological abundance provides an integrated assessment of each major ecosystem typeÑits distribution, structure, function, and management. A comprehensive synthesis of our knowledge about this biologically diverse state, Ecosystems of California covers the state from oceans to mountaintops using multiple lenses: past and present, flora and fauna, aquatic and terrestrial, natural and managed. Each chapter evaluates natural processes for a specific ecosystem, describes drivers of change, and discusses how that ecosystem may be altered in the future. This book also explores the drivers of CaliforniaÕs ecological patterns and the history of the stateÕs various ecosystems, outlining how the challenges of climate change and invasive species and opportunities for regulation and stewardship could potentially affect the stateÕs ecosystems. The text explicitly incorporates both human impacts and conservation and restoration efforts and shows how ecosystems support human well-being. Edited by two esteemed ecosystem ecologists and with overviews by leading experts on each ecosystem, this definitive work will be indispensable for natural resource management and conservation professionals as well as for undergraduate or graduate students of CaliforniaÕs environment and curious naturalists.
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