Rangeland Ecology & Management
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- Library Collection RecordIntroduction: Data emerging from the Living River Project shows that important changes are taking place in the Lower Santa Cruz River. The attached Second annual Living River Report provides the…Publication Date 2015
- Altar Valley
- aquatic biota
- Arizona
- ecosystem health
- flow
- riparian
- United States
- water quality
- Library Collection RecordIntroduction: Data emerging from the Living River Project shows that important changes are taking place in the Lower Santa Cruz River. The attached Second annual Living River Report provides the…Publication Date 2015
- Altar Valley
- aquatic biota
- Arizona
- ecosystem health
- flow
- riparian
- United States
- water quality
- Library Collection RecordAbstract In this study, hydrological processes are evaluated to determine impacts of stream restoration in the West Turkey Creek, Chiricahua Mountains, southeast Arizona, during a summer-monsoon…Publication Date 2015
- Arizona
- Check dam
- restoration
- runoff ratio
- semi-arid watersheds
- United States
- water budget
- Library Collection RecordAbstract: Erosion dynamics in semiarid environments is defined by high magnitude, low frequency rainfalls that produce runoff with high sediment concentration. Check dams are widely used in this…Publication Date 2014
- Arizona
- Check dam
- erosion
- runoff
- Santa Rita Mountains
- sediment yield
- semiarid
- United States
- watershed
- Library Collection RecordWith the long-term goal of preserving the Altar Valley as a working landscape while maintaining ecosystem and watershed function, this document outlines a set of goals and guidelines for…Publication Date 2019
- Altar Valley
- Arizona
- collaborative management
- conservation
- land management
- United States
- working landscapes
- Library Collection RecordThe City of Tucson owns 21,000 acres within Avra Valley which sits west of the City limits and supports several federally recognized species. In order to comply with the Endangered Species Act, the…Publication Date 2012
- Arizona
- Cactus Ferruginous Pygmy Owl
- Desert Tortoise
- endangered species
- lesser long-nosed bat
- pale Townsend's big-eared bat
- Tucson shovel-nose snake
- United States
- western burrowing owl
- western yellow-billed cuckoo
- Library Collection RecordThe City of Tucson owns 21,000 acres within Avra Valley which sits west of the City limits and supports several federally recognized species. In order to comply with the Endangered Species Act, the…Publication Date 2012
- Arizona
- Cactus Ferruginous Pygmy Owl
- Desert Tortoise
- endangered species
- lesser long-nosed bat
- pale Townsend's big-eared bat
- Tucson shovel-nose snake
- United States
- western burrowing owl
- western yellow-billed cuckoo
- Library Collection RecordThe City of Tucson owns 21,000 acres within Avra Valley which sits west of the City limits and supports several federally recognized species. In order to comply with the Endangered Species Act, the…Publication Date 2012
- Arizona
- Cactus Ferruginous Pygmy Owl
- Desert Tortoise
- endangered species
- lesser long-nosed bat
- pale Townsend's big-eared bat
- Tucson shovel-nose snake
- United States
- western burrowing owl
- western yellow-billed cuckoo
- Library Collection RecordThis map is of the federally-designated Area of Ecological Concern(ACEC) which occupies 556,863 acres of the Buenos Aires National Wildife Refuge within the the Altar Valley.
- Altar Valley
- Arizona
- conservation
- management
- United States
- Library Collection RecordThis biological opinion was issued in response to a request for formal consultation with the U.S. Fish and Wildlife Service regarding the potential impacts resulting from the proposed Multi-Unit Burn…Publication Date 2012
- Altar Valley
- Arizona
- Chiricahua leopard frog
- Colinus virginianus ridgwayi
- Coryphantha scheeri var. robustispina
- endangered species
- Endangered Species Act
- masked bobwhite quail
- Pima Pineapple Cactus
- Rana chiricahuensis
- United States
- Library Collection RecordWe know more about vegetation change on the Santa Rita Experimental Range since 1903 than is known about any other 20,000-ha area in the world. This record is only possible because important…Publication Date 2003
- mesquite
- Cacti
- Arizona
- burroweed
- perennial grasses
- Santa Rita Experimental Range
- Southwestern United States
- Library Collection RecordThe Santa Rita Experimental Range is a vast open space with few signs of houses or human habitation, but at one time it was quite the opposite scene. Archaeological surface inspections reveal heavy…Publication Date 2003
- Arizona
- cultural resource
- Hohokam
- Santa Rita Experimental Range
- Library Collection RecordThe Santa Rita Experimental Range (SRER) is both an archive of past ecological research and a laboratory for continuing research embedded in the southern Arizona landscape. The scientific questions…Publication Date 2003
- Arizona
- Lehmann lovegrass
- Santa Rita Experimental Range
- urban development
- Library Collection RecordThis document includes the Biological Opinion issued by the United States Fish and Wildlife Service regarding the potential impacts of the proposed multi-unit burn plan on species of concern within…Publication Date 2012
- Altar Valley
- Arizona
- Chiricahua leopard frog
- endangered species
- Endangered Species Act
- masked bobwhite
- Pima Pineapple Cactus
- prescribed fire
- United States
- Library Collection RecordThe Comprehensive Conservation Plan for the Buenos Aires National Wildlife Refuge will be used as management tool which will guide management activities for the next 15 years. Specifics of the…Publication Date 2003
- Altar Valley
- Arizona
- cultural resources
- fire management
- grassland
- United States
- wildlife
- 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 RecordIn this letter Richard Schaus writes to a Mr. Kellner regarding an article on Ramon Ahumado that is slated to run in a spring issue of the Arizona Cattle Growers Association newletter. Due to the…
- Altar Valley
- Arizona
- Arizona Cattle Growers Association
- United States
- Library Collection RecordRamon Ahumada was born in the state of Sonora just across the border from Sasabe, Arizona on August 31, 1868. Brought to Arizona by his uncle, he began to learn the cattle business at a young age.…
- Altar Valley
- Arizona
- Cattle Ranching
- history
- United States
- Library Collection RecordAbstract not available
- sustainable agriculture
- economics
- Arizona
- Library Collection RecordAbstract not available
- information dissemination
- Arizona
- Library Collection RecordThe University of Arizona Water Resources Research Center directory of water expertsPublication Date 2014
- Arizona
- Library Collection RecordAbstract not available
- natural resources
- training
- teaching
- Arizona
- Library Collection RecordAbstract not available
- ranching
- economic analysis
- agricultural budgets
- Arizona
- Library Collection RecordMany regions of the globe are experiencing a simultaneous change in the dominant plant functional type and regional climatology. We explored how atmospheric temperature and precipitation control leaf…Publication Date 2013
- eddy covariance
- landscape position
- mesquite (Prosopis velutina)
- photosynthesis
- plant-climate interactions
- semi-arid
- temperature optima
- Vegetation Change
- woody plant encroachment
- indigenous encroaching species
- climate change
- temperature
- ecosystem ecology
- carbon flux
- rainfall
- grasslands
- savanna
- carbon dioxide
- San Pedro River
- Arizona
- USA
- Library Collection RecordPlants are multifaceted organisms that have evolved numerous solutions to the problem of establishing, growing and reproducing with limited resources. The intrinsic dimensionality of plant traits is…Publication Date 2014
- community assembly
- curse of dimensionality
- determinants of plant community diversity and structure
- ecosystem processes
- intrinsic dimension
- isomap
- nonlinear data reduction
- plant spectrums
- plant strategies
- plant traits
- ecosystem ecology
- Arizona
- California
- USA
- Sheffield
- United Kingdom
- Library Collection RecordSeed dispersal is thought to be unpredictable and outside a plant's control. But directed seed dispersal by mutualistic birds can increase probabilities of germination and survival by the non-…Publication Date 2014
- abiotic stress
- dispersal in time
- facilitation
- frugivory
- plant demography
- plant neighbourhoods
- plant-plant interactions
- risk spreading
- Desert Grassland
- ecosystem ecology
- Arizona
- USA
- Library Collection Record
- range management
- monitoring
- Wyoming
- Washington
- Utah
- Texas
- South Dakota
- Oregon
- Oklahoma
- North Dakota
- New Mexico
- Nevada
- Nebraska
- Montana
- Kansas
- Idaho
- Hawaii
- grazing management
- Colorado
- coal
- California
- Arizona
- Alaska
- Library Collection RecordDesertification, the conversion of arid grasslands to shrublands due to overgrazing and drought, is occurring on over a quarter of the land on earth. Conceptual models of desertification predict…Publication Date 2010
- Desert Grassland
- grazing
- islands of fertility
- soil nutrients
- Water Infiltration
- desertification
- drought
- modelling
- Arizona
- USA
- Library Collection Record
- Weeds
- invasive species
- education
- Arizona
- Library Collection RecordAbstract not availablePublication Date 1970
- monitoring
- methodology
- vegetation
- Utah
- Arizona
- Library Collection RecordThis historical data set consists of 178 permanent 1-m2 quadrats located on semi-desert grasslands at the Santa Rita Experimental Range, Arizona, USA. Individual plants in these quadrats were…Publication Date 2012
- climate
- Geographic Information Systems (GIS)
- livestock grazing
- plant community
- plant demography
- Sonoran Desert
- species interactions
- Santa Rita Experimental Range
- Arizona
- USA
- Library Collection RecordAbstract not available
- Arizona
- Library Collection RecordAbstract not available
- Weeds
- weed control
- grazing management
- grazing
- Wyoming
- sheep
- Montana
- Idaho
- recreation
- grasses
- goats
- cattle
- Arizona
- Library Collection RecordAbstract not available
- Weeds
- weed control
- invasive species
- Arizona
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