Rangeland Ecology & Management
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Displaying 151 - 200 of 1394 results
- Library Collection RecordIn this installment of Arivaca Yesterdays Mary Kasulaitis investigates the question of Arivaca's origins through a dissection of "Harvey's Historic Hyperbole," a claim made by…Publication Date 2012
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordDesignated by the Arizona Desert Wilderness Act of 1990, the Baboquivari Peak Wilderness and Coyote Mountains Wilderness areas total 7,145 acres and are located approximately 40 miles southwest of…Publication Date 2012
- Altar Valley
- Arizona
- Baboquivari Peak
- Coyote Mountains
- United States
- wilderness
- wilderness management
- Library Collection RecordThis article provides a brief overview of what life was like in Arivaca after 1912. Arivaca was essentially a company town of the Arivaca Land and Cattle Company (ALCC). The ALCC owned the town store…Publication Date 2012
- ranching
- history
- cattle
- Altar Valley
- Arizona
- United States
- Library Collection Record"The purpose of this book is to insure a deep appreciation of the eight-valley region in southern Arizona and to raise awareness of the various watershed organizations taking action to improve…Publication Date 2012
- Altar Valley
- Arizona
- land management
- land use
- ranching
- United States
- Library Collection RecordThis article follows the Ronstadts, a prominent family in early Southern Arizona history, from Frederick Augustus Ronstadt's arrival in Mexico in the 1850s to the present day.Publication Date 2012
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordThis article provides a brief overview of what life was like in Arivaca from its early years in the 1860s to 1912 when Arizona gained statehood.Publication Date 2012
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordAbstract Although rock check dams have been used for centuries to control erosion and support subsistence agriculture on western US rangelands, there is a lack of measured data to quantify their…Publication Date 2012
- Alluvial fan
- Arizona
- Check dam
- grassland
- Landscape degradation
- restoration
- southeast Arizona
- United States
- Library Collection RecordThe relative effects of tree clearing, increased livestock densities and nutrient enrichment have rarely been compared across markedly different organism types, but negative effects are generally…Publication Date 2012
- agriculture
- livestock
- Native Pasture
- nutrient enrichment
- rotational grazing
- woodland
- Australia
- Library Collection RecordAbstract Not Available.Publication Date 2012
- Altar Valley
- Arizona
- Border Enforcement
- Border Security
- conservation
- immigration
- migration
- United States
- Library Collection RecordThese stories provide examples of how University of Arizona Cooperative Extension (UACE) translates research-based information to help people solve real, everyday problems and improve the quality of…Publication Date 2012
- cattle
- grazing management
- ranching
- economics
- profitability
- Arizona
- Library Collection RecordAnderson larkspur (Delphinium andersonii A. Gray) is a toxic plant responsible for cattle death losses in the western United States. The objectives of the present study were to determine when cattle…Publication Date 2011-11-01
- alkaloids
- diet
- larkspur
- livestock
- poisonous plants
- Library Collection RecordMany nonnative invasive grasses alter fire regimes to their own benefit and the detriment of native organisms. In southern Arizona the nonnative Lehmann lovegrass (Eragrostis lehmanniana Nees)…Publication Date 2011-07-01
- Arizona
- Eragrostis lehmanniana
- invasive grasses
- Lehmann lovegrass
- livestock grazing
- native plants
- Library Collection RecordThis document describes how biosoilds are produced, and summarizes their regulation in Arizona. It also covers current research being carried out on biosolids and answers some of the common questions…Publication Date 2011
- Arizona
- biosoilds
- fertilizer
- United States
- Library Collection RecordThesis by Shaniko Nichol-Driskill concerning Livestock, Native Plants, Fire and other subjectsPublication Date 2011
- livestock
- Indigenous organisms
- fire ecology
- Idaho
- Library Collection RecordIn communal areas of NE Zimbabwe, feed resources are collectively managed, with herds grazing on grasslands during the rainy season and mainly on crop residues during the dry season, which creates…Publication Date 2011
- Crop-livestock interactions
- Dynamic modelling
- cattle
- crop residues
- grasslands
- livestock
- foraging ecology
- soil organic carbon
- soil fertility
- management
- communal farming
- Zimbabwe
- Africa
- Library Collection RecordIn this article, Tana Kappel discusses the history and role of prescribed fire in the Altar Valley with a number of local stakeholders. Although fire historically played an important role in the…Publication Date 2011
- Altar Valley
- Arizona
- desert grasslands
- endangered species
- prescribed fire
- United States
- Library Collection RecordLablab purpureus is a multipurpose legume with potential as a vegetable, pulse or forage crop for smallholder farming systems of southern Africa. Its use in the region is limited because the long-…Publication Date 2011
- lablab
- Limpopo Province
- multipurpose crop
- short duration
- forage quality
- Forage Quantity
- livestock
- agriculture
- subsistence agriculture
- seeds
- Africa
- Library Collection RecordInvasive species in Africa have important impacts on food security and biodiversity conservation. African floodplains in arid areas are critical wildlife habitats in addition to crop production and…Publication Date 2011
- dispersers
- habitat
- shifting cultivation
- wildlife
- Alien invasive species
- seeds
- seedlings
- livestock
- game
- conservation
- old lands
- ecosystem ecology
- Tana River
- Kenya
- Africa
- Library Collection RecordDespite the widespread recognition that disturbance by livestock affects multiple indices of landscape health, few studies have examined their effects on both biotic and abiotic processes. We…Publication Date 2011
- disturbance
- grazing gradient
- landscape function
- overgrazing
- plant diversity
- reptiles
- grazing
- livestock
- soils
- ecosystem ecology
- rangelands
- Australia
- Library Collection RecordOver the past two decades, the issue of rural women in developing countries has evolved from relative obscurity to a primary concern among the growing community of researchers and policy makers who…Publication Date 2011
- Socio- economic factors
- women participation
- productive projects
- rural women
- Poverty
- Iran
- economics
- livestock
- Iran
- Library Collection RecordThis commentary compares two regions of the United States that differ drastically in physical attributes, but, in the authors' eyes, are united by a common "environment of risk."…Publication Date 2011
- Altar Valley
- Arizona
- cultural landscapes
- ranching
- risk environment
- rural anthropology
- social sustainability
- Library Collection RecordAbstract: This article makes the case for addressing nonhumans as actors in geopolitical processes such as boundary making and enforcement. The challenge of this line of argumentation is to account…Publication Date 2011
- Altar Valley
- Arizona
- Border Enforcement
- Buenos Aires National Wildlife Refuge
- United States
- Library Collection RecordPublication Date 2011
- phenology
- forage
- livestock
- species
- grazing
- grazing systems
- Library Collection RecordPublication Date 2011
- livestock
- rangelands
- phenology
- grazing systems
- Library Collection RecordPublication Date 2011
- phenology
- livestock
- grazing systems
- species
- uses
- rangelands
- Library Collection RecordThis field guide provides photos and information on the wildflowers of southern Arizona.Publication Date 2011
- Altar Valley
- Arizona
- United States
- wildflowers
- Library Collection RecordPublication Date 2011
- phenology
- livestock
- rangelands
- grazing systems
- Library Collection RecordToday Pima County manages over 230,000 acres of natural areas for conservation due to supportive taxpayers, visionary County leadership, hardworking staff, willing property owners and resourceful…Publication Date 2011
- Altar Valley
- Arizona
- Pima County
- Southern Arizona
- United States
- Library Collection RecordPublication Date 2011
- case studies
- pastoralism
- Kenya
- managers
- grazing systems
- drought
- Climatic change
- sustainability
- livestock
- Library Collection RecordPublication Date 2011
- phenology
- livestock
- grazing systems
- Library Collection RecordPublication Date 2011
- grazing
- livestock
- Time
- traps
- management
- phenology
- Library Collection RecordPublication Date 2011
- Artemisia
- grazing
- livestock
- Artemisia
- Artemisia
- Library Collection RecordThe Utah Calvary was part of a National Guard contigent called up by President Wilson to deal with the spill over from the Mexican Revolution along the U.S.-Mexico border. The unit was involved in…Publication Date 2011
- history
- Altar Valley
- Arizona
- Mexican Revolution
- United States
- Library Collection RecordPublication Date 2011
- reindeer
- livestock
- grazing
- foraging
- fields
- sown pastures
- grazing intensity
- Feed grasses
- plant production
- trampling
- Constraints
- nomadism
- Norway
- Library Collection RecordPublication Date 2011
- agroecosystems
- agriculture
- food security
- food production
- water management
- wetlands
- water use
- decision making
- developing countries
- Poverty
- fisheries
- climate change
- agroforestry
- biodiversity
- rangelands
- livestock
- Rainfed farming
- landscape
- Library Collection RecordPublication Date 2011
- phenology
- livestock
- grazing systems
- species
- grazing
- rangeland soils
- Library Collection RecordAn isolated and beautiful valley located on the west side of the Atascosa Mountains, Bear Valley was first settled by John “Yank†Bartlett who, along with his partner Henry “Hank†Hewitt and…Publication Date 2011
- ranching
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordThis article continues the story of the Kellner family, opening just as John F. Kellner leases his ranch, and sells the store and boarding house before moving the family to Casa Grande.Publication Date 2011
- ranching
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordIngestion of small amounts of condensed tannin (CT) by ruminants can produce valuable outcomes such as improved nitrogen use and reduced bloating, methane output, and gastrointestinal parasitism.…Publication Date 2010-03-01
- condensed tannins
- livestock
- water intake
- Library Collection RecordRangelands and savannas occupy 70% of the Australian continent and are mainly used for commercial grazing of sheep and cattle. In the center and north, where there are extensive areas of indigenous…Publication Date 2010-01-01
- burning
- carbon
- deforestation
- emissions
- fire
- livestock
- vegetation thickening
- Library Collection RecordRangeland ecosystems support half of the world's livestock while also providing habitats for some of the most charismatic of wildlife species. This book examines the pressures on rangeland…Publication Date 2010
- grassland animals
- grazing
- livestock
- range management
- Library Collection RecordIn the 1860s Arivaca was abandoned for a time, but just as its streets were starting to grow over Colonel M. Oliver Davidson was arriving in the area, the newly appointed superintendent of the Cerro…Publication Date 2010
- history
- mining
- Altar Valley
- Arizona
- United States
- Library Collection RecordThe issue of sustainability and productivity of open communal rangelands compared to fenced rangelands is often subject to controversy. This study investigated differences in soil and grass layer…Publication Date 2010
- game
- livestock
- Lowveld
- overgrazing
- stocking rates
- grazing
- sustainability
- management
- Soil Condition
- commercial agriculture
- communal farming
- rangelands
- vegetation dynamics
- plant production
- soil fertility
- Swaziland
- Africa
- Library Collection Record[1] This study presents analysis of 34 years of precipitation, runoff, and sediment data collected from eight small (1.1–4.0 ha) semiarid rangeland watersheds in southern Arizona, USA. Average…Publication Date 2010
- Arizona
- erosion
- runoff
- Sediment Yields
- semiarid
- United States
- watershed
- Library Collection RecordSavanna covers about two-thirds of Africa, with forage quantity and quality being important factors determining the distribution and density of wildlife and domestic stock. Testing hypotheses about…Publication Date 2010
- forage
- quality
- remote sensing
- hyperspectral
- herbivory
- Foliar
- nitrogen
- protein
- Polyphenol
- mopane
- savanna
- forage quality
- Forage Quantity
- livestock
- mapping
- management
- land use
- Africa
- 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 RecordIn spite of predictions of communal rangeland collapse due to continuous grazing and increased livestock populations, this grazing system remains prevalent in communal areas, suggesting animals…Publication Date 2010
- cattle
- Graze
- key resource areas
- livestock
- communal farming
- rangelands
- grazing
- plant production
- soils
- soil organic carbon
- Eastern Cape
- South Africa
- Library Collection RecordProvides background on responsibilities of landowners and livestock owners in Arizona regarding fencing of property. Describes state statutes that pertain to livestock and fences (Arizona Revised…Publication Date 2010
- Arizona
- fencing
- laws and regulations
- Legal Aspects
- livestock
- Open Range
- ranchers
- Small Landowners
- Library Collection RecordHaving covered some of the more notable outlaws of the Arivaca area in the previous issue of The Connection, Kasulaitis delves into the early years of law enforcement in southern Arizona. Robert H.…Publication Date 2010
- Altar Valley
- Arizona
- history
- Law enforcement
- United States
- Library Collection RecordPredicting the effect of different management strategies on range condition is a challenge for farmers in highly variable environments. A model that explains how the relations between rainfall,…Publication Date 2010
- catastrophe theory
- complexity theory
- Disequilibrium
- hysteresis
- moving attractors
- vegetation dynamics
- livestock
- rainfall
- rangelands
- mangement
- rangeland condition
- modelling
- ecosystem ecology
- stocking rate
- South Africa
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