Ecology And Conservation Of The Cactus Ferruginous Pygmy Owl In Arizona
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Ecology And Conservation Of The Cactus Ferruginous Pygmy Owl In Arizona
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Author : Jean-Luc E. Cartron
language : en
Publisher:
Release Date : 2000
Ecology And Conservation Of The Cactus Ferruginous Pygmy Owl In Arizona written by Jean-Luc E. Cartron and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Birds categories.
This report is the result of a cooperative effort by the Rocky Mountain Research Station and the USDA Forest Service Region 3, with participation by the Arizona Game and Fish Department and the Bureau of Land Management. It assesses the state of knowledge related to the conservation status of the cactus ferruginous pygmy-owl in Arizona. The population decline of this owl has been attributed to the loss of riparian areas before and after the turn of the 20th century. Currently, the cactus ferruginous pygmy-owl is chiefly found in southern Arizona in xeroriparian vegetation and wellstructured upland desertscrub. The primary threat to the remaining pygmy-owl population appears to be continued habitat loss due to residential development. Important information gaps exist and prevent a full understanding of the current population status of the owl and its conservation needs.
Ecology And Conservation Of The Cactus Ferruginous Pygmy Owl In Arizona
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Author :
language : en
Publisher:
Release Date : 2000
Ecology And Conservation Of The Cactus Ferruginous Pygmy Owl In Arizona written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Birds categories.
This report is the result of a cooperative effort by the Rocky Mountain Research Station and the USDA Forest Service Region 3, with participation by the Arizona Game and Fish Department and the Bureau of Land Management. It assesses the state of knowledge related to the conservation status of the cactus ferruginous pygmy-owl in Arizona. The population decline of this owl has been attributed to the loss of riparian areas before and after the turn of the 20th century. Currently, the cactus ferruginous pygmy-owl is chiefly found in southern Arizona in xeroriparian vegetation and wellstructured upland desertscrub. The primary threat to the remaining pygmy-owl population appears to be continued habitat loss due to residential development. Important information gaps exist and prevent a full understanding of the current population status of the owl and its conservation needs.
Owls Of North America And The Caribbean
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Author : Scott Weidensaul
language : en
Publisher: Houghton Mifflin Harcourt
Release Date : 2015
Owls Of North America And The Caribbean written by Scott Weidensaul and has been published by Houghton Mifflin Harcourt this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Nature categories.
"With detailed information about identification, calls, habitat, breeding, nesting, and behavior, this reference guide has the most up-to-date information about natural history, taxonomy, biology, ecology, migration and conservation status."--Book jacket.
Town Of Marana Habitat Conservation Plan
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Author :
language : en
Publisher:
Release Date : 2009
Town Of Marana Habitat Conservation Plan written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
General Technical Report Rmrs
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Author :
language : en
Publisher:
Release Date : 1998
General Technical Report Rmrs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Forests and forestry categories.
General Technical Report Rmrs
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Author :
language : en
Publisher:
Release Date : 1998
General Technical Report Rmrs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Forests and forestry categories.
Requiem For The Santa Cruz
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Author : Robert H. Webb
language : en
Publisher: University of Arizona Press
Release Date : 2014-06-12
Requiem For The Santa Cruz written by Robert H. Webb and has been published by University of Arizona Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-12 with Nature categories.
"Over the millennia, the drainageway we now call the Santa Cruz River has seen many ebbs, flows, and floods. Throughout its long history, the river has meandered. It has flowed on the surface. It has carved deep fissures, and it has widened and narrowed.As readers of Requiem for the Santa Cruz learn, these are events that also have taken place in historic times. Authored by an esteemed group of scientists, Requiem for the Santa Cruz thoroughly documents this river, which flows through Tucson, Arizona, as a prime example of arroyo cutting, a process where heavy rains cut down through rock to create deep channeling. Each chapter provides a unique opportunity to chronicle the arroyo legacy, evaluate its causes, and consider its aftermath. Using more than a century of observations and collections, the authors reconstruct the physical, biological, and cultural circumstances of the river's entrenchment, widening, and subsequent partial filling. Today, communities everywhere face this conundrum: do we manageephemeral rivers through urban areas for flood control, or do we attempt to restore them to some previous state of naturalness? Requiem for the Santa Cruz carefully explores the channel-change legacy, the efficacy of attempts to stabilize it, and the nascent attempts at river restoration to give a long-term perspective on management of rivers in arid lands. Tied together by authors who have committed their life's work to the study of arid-land rivers, this book offers a touching and scientifically grounded requiem for the Santa Cruz and every southwestern river"--
Riparian Research And Management Past Present Future Volume 1
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Author : U.S. Department of Agriculture
language : en
Publisher: Lulu.com
Release Date : 2019-04-06
Riparian Research And Management Past Present Future Volume 1 written by U.S. Department of Agriculture and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-06 with Reference categories.
Fifty years ago, riparian habitats were not recognized for their extensive and critical contributions to wildlife and the ecosystem function of watersheds. This changed as riparian values were identified and documented, and the science of riparian ecology developed steadily. Papers in this volume range from the more mesic northwestern United States to the arid Southwest and Mexico. More than two dozen authors?most with decades of experience?review the origins of riparian science in the western United States, document what is currently known about riparian ecosystems, and project future needs. Topics are widespread and include: interactions with fire, climate change, and declining water; impacts from exotic species; unintended consequences of biological control; the role of small mammals; watershed response to beavers; watershed and riparian changes; changes below large dams; water birds of the Colorado River Delta; and terrestrial vertebrates of mesquite bosques.
The Arizona Breeding Bird Atlas
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Author : Troy E. Corman
language : en
Publisher: UNM Press
Release Date : 2005
The Arizona Breeding Bird Atlas written by Troy E. Corman and has been published by UNM Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Nature categories.
Examines over 270 species of birds known to breed in Arizona, complete with color photos and nesting and migratory data.
Reach 11 Recreation Master Plan Maricopa County
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Author :
language : en
Publisher:
Release Date : 2001
Reach 11 Recreation Master Plan Maricopa County written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.