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Southern Arizona and northern Sonora provide one of the most beautiful and dangerous landscape in the desert southwest. As described in this colorful and well-illustrated text, Organ Pipe Cactus National Monument is full of splendid geologic features. Along Ajo Mountain Drive volcanic rocks rise high above alluvial fans that display excellent examples of desert pavement and desert varnish. Join Bezy, Gutmann and Haxel as they explore the volcanic terrain of the Pinacate Biosphere Reserve. As one of the youngest volcanic fields in western North America, the Pinacate¿s are home to hundreds of cinder cones, the Sierra Pinacate shield volcano, maar craters and tuff rings. The presence of black basalt lava flows evokes an otherworldly moonscape. The enumerated index map will assist the first time visitor in tracking down the most representative vent types.
The southwestern deserts stretch from southeastern California to west Texas and then south to central Mexico. The landscape of this region is known as basin and range topography featuring to “sky islands” of forest rising from the desert lowlands which creates a uniquely diverse ecology. The region is further complicated by an international border, where governments have caused difficulties for many animal populations. This book puts a spotlight on individual research projects which are specific examples of work being done in the area and when they are all brought together, to shed a general light of understanding the biological and cultural resources of this vast region so that those same resources can be managed as effectively and efficiently as possible. The intent is to show that collaborative efforts among federal, state agency, university, and private sector researchers working with land managers, provides better science and better management than when scientists and land managers work independently.
"Over the course of his 43-year career, James C. Knox conducted seminal research on the geomorphology of the Driftless Area of southwestern Wisconsin. His research covered wide-ranging topics such as long-term land-scape evolution in the Driftless Area; responses of floods to climate change since the last glaciation; processes and timing of floodplain sediment deposition on both small streams and on the Mississippi River; impacts of European settlement on the landscape; and responses of stream systems to land-use changes. This volume pre-sents the state of knowledge of the physical geography and geology of this unglaciated region in the otherwise-glaciated Midwest with contributions written by Knox prior to his passing in 2012 and by numerous of his for-mer colleagues and graduate students"--
"The editors have brought together a volume of papers and essays written by tribal fish and wildlife managers and researchers about the work they do. This book will help wildlife professionals and conservationists in private and public sectors draw lessons from the expertise of indigenous peoples in North America, and advise them on how best to incorporate long-established successful Native methods in their own practices"--