Rangeland Ecology & Management
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Displaying 201 - 250 of 258 results
- Library Collection Record
201 Eyes of Fire
In March of 1996 Warner came face to face with a Mexican Jaguar in the wild. Eyes of Fire details the encounter and includes some of the photographs he was able to take of the jaguar.Publication Date 1996- jaguars
- Altar Valley
- Arizona
- United States
- Library Collection RecordThis document sets out recommendations for the recovery of the masked bobwhite, setting the goal of eventually delisting the species.Publication Date 1995
- Altar Valley
- Arizona
- Buenos Aires National Wildlife Refuge
- endangered species
- masked bobwhite quail
- United States
- Library Collection RecordThis document provides information on the taxonomy, morphology, genetics, habitat, behavior, reproduction, growth and population structure of the Sonoran Desert Tortoise across its range.Publication Date 1995
- Altar Valley
- Arizona
- Desert Tortoise
- Gopherus agassizii
- United States
- Library Collection RecordPresents the results of a survey project that seeks to understand the prehistory of the Trincheras culture in northwest Sonora. The 98 sites recorded range from 2,500 B.C. to historic Tohono O'…Publication Date 1993
- Altar Valley
- archaeology
- Arizona
- United States
- Library Collection RecordThis is the first annual report published on AzGF's inventory of bats on the Buenos Aires National Wildlife Refuge.Publication Date 1993
- Altar Valley
- Arizona
- bats
- Buenos Aires National Wildlife Refuge
- United States
- Library Collection RecordSUMMARY: The Fish and Wildlife Service (Service) determines Coryphantha scheeri var, robustispina (Pima pineapple cactus) to be an endangered species under the authority of the Endangered Species Act…Publication Date 1993
- Altar Valley
- Arizona
- Coryphantha scheeri
- Pima Pineapple Cactus
- United States
- Library Collection RecordThis document discusses water quality results for the Brawley Wash pilot surface recharge operations performed from February 1990 through January 1991. The primary goal of the water quality program…Publication Date 1993
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- United States
- water quality
- Library Collection RecordThis document provides an anaylsis of the groundwater responses to Brawley Wash pilot recharge operations and includes an introduction to the project, a description of the procedures, and detailed…Publication Date 1993
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- United States
- water quality
- Library Collection RecordThis document provides an anaylsis of the groundwater responses to Brawley Wash pilot recharge operations and includes an introduction to the project, a description of the procedures, and detailed…Publication Date 1993
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- United States
- water quality
- Library Collection RecordThis document presents several options for restoration projects along Brawley Wash in the Altar Valley. The main objective of the study was to develop alternatives to control erosion along the…Publication Date 1992
- erosion control
- watershed management
- Altar Valley
- Library Collection RecordLehmann lovegrass (Eragostis Iehmanniana Nees.) is a warm-season, perennial bunchgrass introduced from South Africa in 1932. Since 1950 Lehmann lovegrass has been seeded and established on over 170,…Publication Date 1992
- Altar Valley
- Arizona
- drought
- Eragrostis lehmanniana
- Lehmann lovegrass
- United States
- Library Collection RecordAbstract: Revegetation of semi-desert rangeland is dependent on rainfall, weather, and soil factors affecting seed germination and seedling establishment. To aid in predicting seed zone temperature…Publication Date 1992
- Altar Valley
- Arizona
- hydrology
- range management
- soil moisture
- United States
- Library Collection RecordAbstract Through seeding and subsequent spread, Lehmann lovegrass Eragrostis lehmanniana Nees. has transformed the structure and function of at least 145 000 ha of semi-desert grassland in southern…Publication Date 1992
- Altar Valley
- Arizona
- Eragrostis lehmanniana
- invasive grasses
- Lehmann lovegrass
- United States
- Library Collection RecordThe purpose of this memorandum is to document the evaluation of basin infiltration rates at the Brawley Wash Pilot Project. To accomplish this purpose, this memorandum will discuss the following…Publication Date 1991
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- United States
- water quality
- Library Collection RecordSummary not available.Publication Date 1990
- Altar Valley
- archaeology
- Arizona
- Coyote Mountains
- Hohokam
- Native American
- Southern Arizona
- Library Collection RecordThis interim report presents the results of the hydrogeologic studies performed to date at the Brawley Wash pilot surface recharge site in Pima County, Arizona. Openning with the investigations…Publication Date 1990
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- hydrogeological conditions
- soil boring
- United States
- water quality
- Library Collection RecordThis interim report presents the results of the hydrogeologic studies performed to date at the Brawley Wash pilot surface recharge site in Pima County, Arizona. Openning with the investigations…Publication Date 1990
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- hydrogeological conditions
- soil boring
- United States
- water quality
- Library Collection RecordThis report provides the results of a pumping test performed at the Brawley Wash Pilot Surface Recharge Site in Pima County, Arizona as well as a brief summary of previous pumping tests, and testing…Publication Date 1990
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- United States
- water quality
- Library Collection RecordThis report provides the results of a pumping test performed at the Brawley Wash Pilot Surface Recharge Site in Pima County, Arizona as well as a brief summary of previous pumping tests, and testing…Publication Date 1990
- Altar Valley
- Arizona
- Brawley Wash
- groundwater recharge
- United States
- water quality
- Library Collection RecordAbstract: Â Â Â Home range, habitat use, and movements of reintroduced masked bobwhite (Colinus virginianus ridgewayi) were studied during 1986-88 on the Buenos Aires National Wildlife Refuge in…Publication Date 1989
- Altar Valley
- Arizona
- Buenos Aires National Wildlife Refuge
- habitat requirements
- masked bobwhite
- quail
- United States
- wildlife management
- Library Collection RecordINTRODUCTION Recent rapid population and industrial growth along the Arizona/Sonora boundary has increased competition for the region's limited water and has created waste disposal problems…Publication Date 1988
- Altar Valley
- Arizona
- hydrology
- United States
- Water Distribution
- water rights
- watershed management
- Library Collection RecordAbstract: Community structure in backswimmers (Hemiptera: Notonectide), was investigated via extensive sampling throughout southern Arizona, USA, and Sonora, Mexico, from 1980 through 1985. Co-…Publication Date 1986
- Altar Valley
- Aquatic insects
- Arizona
- Sonoran Desert
- tiger salamander
- United States
- Library Collection RecordABSTRACT Larval interactions of four anuran species were experimentally investigated. Artificial pools were used to simulate their temporary pond habitat. A comparison of varied-nutrient and varied-…Publication Date 1985
- Altar Valley
- amphibians
- anuran
- Arizona
- interspecific competition
- United States
- Library Collection RecordPhotographer and western writer Dane Coolidge visited Arivaca and the Altar Valley in 1914 and described ranch life, recorded corridos and stories and photographed roundups and people. Originally…Publication Date 1985
- Altar Valley
- Arizona
- cultural resources
- history
- United States
- Library Collection RecordEchoes of the Conquistadores tells the story of the Aguirres family, one of the first families to live in the Altar Valley. The Aguirres played an important role in the valley, running a store, a…Publication Date 1983
- Altar Valley
- Arizona
- Buenos Aires Ranch
- history
- ranching
- settlement
- United States
- Library Collection RecordErma Fiske recounts her adventures living at the foothills of the Baboquivaris, recording and banding birds for the Nature Conservancy.Publication Date 1983
- Altar Valley
- Arizona
- Baboquivari Mountains
- bird banding
- bird surveys
- United States
- Library Collection RecordABSTRACT Apodemia mormo in the region of Nogales, Santa Cruz Co. Arizona, display variability unsual even in the A. mormo complex. At least five overlapping phenotype classes, some represented…Publication Date 1979
- Altar Valley
- Apodemia mormo
- Arizona
- Lepidoptera
- United States
- Library Collection RecordFocuses on the problems and experiences of a small group of Papago Indians who have left the reservation to live in a ghetto in Tucson, Arizona. Source: http://www.worldcat.org/title/yes-is-better-…Publication Date 1977
- Altar Valley
- Arizona
- Papago Indian Reservation
- Tohono O'Odham Indians
- United States
- Library Collection RecordThis document contains pp. 54-59 of the book Arroyos and Environmental Change in the American Southwest. It includes a description of the Altar Wash as of 1976 as well as possible explanations for…Publication Date 1976
- arroyo
- Altar Wash
- channelization
- erosion
- Altar Valley
- Library Collection RecordThis book examines the "arroyo problem" faced by much of the American Southwest. With many of the chapters focused on conditions in southern California and Arizona, the Altar Valley…Publication Date 1976
- Altar Valley
- Arizona
- Arroyos
- California
- Entrenchment
- Environmental Changes
- erosion
- United States
- Library Collection RecordAdventures in the Apache Country: A Tour through Arizona and Sonora provides a description of the Arivaca and Altar Valleys as well as the Papagueria.Publication Date 1974
- Altar Valley
- Arizona
- cultural resources
- history
- United States
- Library Collection RecordOutlines the social geography of the region over a broad timescale, through the historical experiences of “Indians,†“Hispanos,†and “Anglos.†Source: Collaborative Conservation: History…Publication Date 1971
- Altar Valley
- Arizona
- Historical Geography
- Human Geography
- southwest United States
- United States
- Library Collection RecordABSTRACT The U. S. Geological Survey has been collecting hydrologic and geologic data in the major irrigated basins of Arizona for many years as part of a statewide ground-water survey. The…Publication Date 1966
- Altar Valley
- Arizona
- groundwater
- United States
- Library Collection RecordABSTRACT The U. S. Geological Survey has been collecting hydrologic and geologic data in the major irrigated basins of Arizona for many years as part of a statewide ground-water survey. The…Publication Date 1966
- Altar Valley
- Arizona
- groundwater
- United States
- Library Collection RecordABSTRACT Since the l880's a series of changes has taken place in the hydrologlc regimes of the streams of the desert region of Arizona and Sonora; the vegetation of the area has undergone…Publication Date 1963
- Altar Valley
- Arizona
- climate change
- Environmental Changes
- grazing
- United States
- Library Collection RecordThis article summarizes the findings of a research project investigating the influence of several native species on the spread of Lehmann lovegrass. The study was carried out on the Santa Rita…Publication Date 1959
- Altar Valley
- Arizona
- Eragrostis lehmanniana
- invasive species
- Lehmann lovegrass
- mesquite
- native grasses
- Santa Rita Experimental Range
- United States
- Library Collection RecordThis report, based on field investigations completed in 1917, describes the land forms of southwestern Arizona. The authors discuss the processes involved in the production of the present desert…Publication Date 1922
- geology
- desert soils
- Soil formation
- arid soils
- Alluvial soils
- Altar Valley
- Library Collection RecordThis document, signed on April 15, 1912, details the sale of 5 horses to the Arivaca Land and Cattle Company.Publication Date 1912
- Altar Valley
- Arivaca
- Arizona
- cattle
- United States
- Library Collection RecordThis map shows the locations, type, and current status of various restoration projects in the Altar Valley.
- ecological restoration
- Altar Valley
- Library Collection RecordThis report is a summary of numerous biological and ecological assements from Arizona and New Mexico whose intended purpose was to inform the United States Forest Service as it worked to update its…
- Altar Valley
- Arizona
- biodiversity
- grassland
- native fish
- native plants
- United States
- vegetation types
- Library Collection RecordGeneral information on the endangered cactus and its status in Pima County.
- Altar Valley
- Arizona
- Coryphantha scheeri
- Pima County
- Pima Pineapple Cactus
- United States
- Library Collection RecordThis handout provides a brief description of the Pima Pineapple Cactus, its habitat needs, range, current management strategies and reasons for its decline.
- Altar Valley
- Arizona
- Coryphantha scheeri
- Pima County
- Pima Pineapple Cactus
- United States
- Library Collection RecordThe IUCN Red List of Threatened Species page on the Pima Pineapple Cactus provides a summary of the cactus' status and distribution, placing the species in the "Least Concern" category.
- Altar Valley
- Arizona
- Coryphantha scheeri
- endangered species
- Pima Pineapple Cactus
- United States
- Library Collection RecordThis presentation covers the Altar Valley Conservation Alliance's fire management plans and their efforts to return prescribed fire to the Altar Valley while protecting the endangered Pima…
- Altar Valley
- Arizona
- Coryphantha scheeri
- fire management
- Pima Pineapple Cactus
- prescribed fire
- United States
- Library Collection RecordThis brief handout covers some of the common questions raised concerning the delisting of the Cactus Ferruginous Pygmy Owl in Arizona.
- Altar Valley
- Arizona
- Cactus Ferruginous Pygmy Owl
- Endangered Species Act
- United States
- Library Collection RecordHaving received his Masters of Science degree from the Colorado School of Mines and spent many years working as a geologist, Johnathan DuHamel writes WryHeat, an online collection of articles…
- Altar Valley
- Arizona
- Buenos Aires National Wildlife Refuge
- Eragrostis lehmanniana
- invasive grasses
- Lehmann lovegrass
- United States
- Library Collection RecordThis Fire Effects Information System (FEIS) Species Profile provides an introduction to the ecology, distribution, and management considerations surrounding Lehmann lovegrass in the United States.
- Altar Valley
- Arizona
- Eragrostis lehmanniana
- invasive grasses
- Lehmann lovegrass
- United States
- Library Collection RecordThis article discusses the importance of fire for the desert ecosystem of the Altar Valley as well as the history of prescribed fire in the area.
- Altar Valley
- Arizona
- fire management
- prescribed fire
- United States
- Library Collection RecordThis document provides answers to some of the more common questions that arise during discussions of the Multi-species Conservation Plan.
- Altar Valley
- Arizona
- development
- endangered species
- grazing
- management
- Pima County
- United States
- Library Collection RecordThis document, created by AVCA, provides a list of resources that contain information on the Altar Valley--its history, natural resources and its people.
- Altar Valley
- anthropology
- Arizona
- natural resource management
- United States