Rangeland Ecology & Management
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Displaying 151 - 200 of 1171 results
- Library Collection RecordPublication Date 2011
- quality
- water
- sheep
- goats
- semiarid climate
- rangelands
- 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
- sheep
- Tickborne diseases
- morbidity
- survival
- grazing
- vectors
- pastures
- weight losses
- animal production
- Land races
- Norway
- Library Collection RecordPublication Date 2011
- grassland management
- palatability
- sheep
- Behaviour
- grazing
- grazing systems
- Library Collection RecordThis study investigated the long-term effects on sward composition and animal performance of applying different fertilizer regimes to upland permanent pasture. The experiment, which was carried out…Publication Date 2011
- pasture
- management
- grazing
- animal production
- fertilizer
- Extensification
- sheep
- botanical composition
- nutritive value
- liveweight gain
- Wales
- Great Britain
- Library Collection RecordPublication Date 2011
- investment
- blood
- minerals
- grazing systems
- sheep
- Library Collection RecordPlant secondary compounds (PSC) are increasingly recognized as important in animal health, welfare and nutrition, yet little is known about possible complementarities among forages that contain PSC.…Publication Date 2011
- sheep
- forage quality
- diet selection
- plant secondary compounds
- diverse diets
- plant diversity
- Forages
- Lewiston
- Utah
- USA
- 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 RecordProceedings of the 20th International Scientific Symposium on Nutrition of Farm Animals 'Zadravec-Erjavec Days', Ceh, T. et. al..- Murska Sobota (Slovenia): Kmetijsko gozdarska zbornica…Publication Date 2011
- sheep
- grazing
- pastures
- meadows
- grasslands
- highlands
- animal health
- intensification
- sustainability
- intensification
- Library Collection RecordLow larkspur (Delphinium nuttallianum Pritz.) poisoning causes serious economic loss to livestock producers that graze cattle on foothill and mountain ranges in western North America. In general, all…Publication Date 2010-03-01
- alkaloids
- diet selection
- larkspur
- poisonous plants
- sheep
- Library Collection RecordThe Baboquivari Mountains, long considered to be a sacred space by the Tohono O'odham people who are native to the area, are the westernmost of the so-called Sky Islands. The mountains form the…Publication Date 2010
- botany
- plant communities
- Botanical description
- Altar Valley
- Arizona
- Plant Identification
- United States
- 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 RecordThe Altar Valley Conservation Alliance (AVCA) is a 501(c)3 not-for-profit organization focused on addressing the issues facing the Altar Valley watershed through collaborative, science-based, and…Publication Date 2010
- Altar Valley
- Arizona
- United States
- 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 RecordPowell, Summary While we may view climate change issues as a more global or national problem, our unique Sonoran Desert ecosystem is a recognized global resource; hence climate change is an important…Publication Date 2010
- Altar Valley
- Arizona
- Pima County
- Southern Arizona
- United States
- Library Collection RecordThis annotated bibiography brings together the available literature on Lehmann lovegrass (Eragrostis lemanniana Nees.), an influential invasive species in the Altar Valley and across the West.Publication Date 2010
- Altar Valley
- Arizona
- United States
- Library Collection RecordFederal regulations such as the Endangered Species Act and the Clean Water Act continue to challenge ranchers and land management agencies alike. Ranchers looking to succeed in the face of these…Publication Date 2010
- monitoring techniques
- United States
- Arizona
- Yavapai
- Library Collection RecordPublication Date 2010
- sheep
- herbivores
- grazing
- grazing intensity
- alpine grasslands
- plant communities
- soil
- carbon
- nitrogen
- soil organic matter
- Nitrogen cycle
- leaching
- losses from soil
- nutrients
- coliform bacteria
- runoff
- water quality
- site factors
- highlands
- Norway
- Library Collection RecordAbstract Conservation and human rights are currently threatened by direct and indirect effects of border enforcement practices on the Arizona-Sonora border. Increased border enforcement in urban…Publication Date 2010
- Altar Valley
- Arizona
- Border Enforcement
- conservation
- Human Rights
- United States
- Library Collection RecordPublication Date 2010
- pastures
- grazing lands
- Alps
- alpine vegetation
- sheep
- grazing
- botanical composition
- biodiversity
- analysis
- Library Collection RecordPublication Date 2010
- pastures
- highlands
- Weeds
- invasive species
- Euphorbia
- colonizing ability
- biological control
- grazing
- sheep
- grassland management
- Spain
- Euphorbia
- Euphorbia
- Library Collection RecordIn this article Mary Kasulaitis describes some of the more notable cottonwoods (Populus fremontii) in the Arivaca area and ponders what historical events they may have stood witness to and why so…Publication Date 2010
- Altar Valley
- Arivaca
- Arizona
- cottonwood
- Populus fremontii
- United States
- Library Collection RecordThis article tells the story of Etta and C.B. Ruggles, an adventurous couple who spent their retirement years in Arivaca.Publication Date 2010
- history
- Altar Valley
- Arizona
- United States
- 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 RecordPublication Date 2010
- phenology
- grazing intensity
- sheep
- palatability
- species
- Festuca ovina
- Festuca ovina
- Festuca ovina
- Library Collection RecordOvergrazing and mismanagement of rangelands, climate change, drought and [`]salinisation of lands are threatening the sustainability of production systems and the fertility of cropping lands…Publication Date 2010
- Atriplex nummularia L.
- Fodder potential
- sheep
- goats
- Australia
- West Asia
- North Africa
- Library Collection RecordCattle producers, including stocker operators, often find themselves at the mercy of forces outside their control, such as weather and markets. Their success often depends on their ability to manage…Publication Date 2010
- Arizona
- Library Collection RecordProceedings of the 19 International Science Symposium on Nutrition of Domestic Animals 'Zadravec-Erjavec Days', Ceh, T. et. al..- Murska Sobota (Slovenia): Kmetijsko gozdarska zbornica…Publication Date 2010
- ewes
- sheep
- grazing
- summer
- autumn
- seasons
- pastures
- feeds
- botanical composition
- feed intake
- Dry matter content
- lactation
- pregnancy
- lactation
- Library Collection RecordPrompted by the celebrations surrounding the 30th Anniversary of the Arivaca Clinic, Mary Kasulaitis presents us with a brief biography of some of the doctors who called the Arivaca area home between…Publication Date 2010
- Altar Valley
- Arivaca
- Arizona
- history
- medical services
- United States
- 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 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 RecordThe Knersvlakte in the Succulent Karoo Biome (South Africa) is known for its high plant diversity and endemism. In the course of establishing a conservation area there, we assessed baseline data for…Publication Date 2010
- Aizoaceae
- biodiversity
- herbivory
- Namaqualand
- rangeland management
- Systematic conservation planning
- conservation
- management
- grazing
- sheep
- goats
- South Africa
- Library Collection RecordThe Sonoran Desert Conservation Plan (SDCP) is a locally developed, long-term vision for protecting the natural and cultural heritage of Pima County . The Plan seeks to combine short-term actions to…Publication Date 2010
- Arizona
- Pima County
- Library Collection RecordPublication Date 2010
- goats
- sheep
- livestock management
- animal performance
- feedlots
- body weight
- animal production
- feeds
- feeding
- forage
- browse plants
- grazing
- foraging
- goat meat
- Mutton
- quality
- semiarid zones
- Tanzania
- Library Collection RecordIn this article Kasulaitis recounts some of the more notable events that have taken place within Las Guijas Valley. Now dotted with abandoned mines, the valley was once the scene of extensive mining…Publication Date 2010
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordCommunal rangelands have a wide range of vegetation communities that sustain livestock. Limited information exists on forage availability and quality in communal areas and how it influences Nguni…Publication Date 2010
- biomass
- bite size
- foraging behaviour
- Nguni
- communal farming
- livestock
- sheep
- KwaZulu-Natal
- South Africa
- Library Collection RecordThis article provides a brief history of Anglo-amerindian conflict in Southern Arizona, focusing on the impact of Apache raids on the settlement and development of the Arivaca area.Publication Date 2010
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordThe relative benefit of different grazing management practices for maintaining grassland biodiversity integrity was assessed. Practices considered were grazing system, stocking rate, animal type,…Publication Date 2010
- analytic heirarchy process
- plant diversity
- stocking rate
- veld condition assessment
- grazing
- management
- biodiversity
- fire
- cattle
- sheep
- Impact assessment
- South Africa
- Library Collection RecordPublication Date 2010
- grazing
- sheep
- Library Collection RecordThe reliability of a field test kit for the detection and the persistence of Synergistes jonesii bacteria in sheep was investigated in two trials for 12 months. The test kit consisted of a culture…Publication Date 2010
- DHP-degrading bacteria
- dihydroxypyridine
- mimosine
- diagnostic kits
- sheep
- drought
- forage quality
- disease
- South Africa
- Library Collection RecordSeed ecology may play a role in the widespread increase of Acacia karroo in savanna and grassland. Accordingly, fecundity, predation, mortality by fire, dispersal by livestock, and seed longevity…Publication Date 2010
- dispersal
- fire
- seed bank
- seed lngevity
- seed predation
- seed production
- ecology
- savanna
- grassland
- livestock
- insects
- germination
- cattle
- sheep
- goats
- management
- Eastern Cape
- South Africa
- Library Collection RecordNovel concepts and tools to promote progress in grazing science and management need to incorporate heterogeneity and nonlinear scaling of spatially and temporally distributed ecological interactions…Publication Date 2009-09-01
- cattle
- grazing systems
- heterogeneity
- scaling
- sheep
- Library Collection RecordLet the Water Do the Work is an important contribution to riparian restoration. By "thinking like a creek," one can harness the regenerative power of floods to reshape stream banks and…Publication Date 2009
- Arizona
- erosion control
- erosion control structures
- New Mexico
- stream restoration
- United States
- Library Collection RecordThis field guide is intended to inform those who depend on the soil and its life-giving properties. This guide discusses ways to regenerate soil so that it holds more water, supports more vegetation…Publication Date 2009
- Arizona
- erosion control
- Landscape degradation
- New Mexico
- United States
- water harvesting
- Library Collection RecordFrom a range or natural resource standpoint, your perception of fire, more specifically wildfire, may depend on your occupation, location, or past experience.Publication Date 2009
- fires
- Arizona
- Library Collection RecordFollowing the Elkhorn Fire which burned 23,440 acres in the Altar Valley, the Natural Resources Conservation Service prepared this report to document the fire's effect on the endangered Pima…Publication Date 2009
- Altar Valley
- Arizona
- Coryphantha scheeri
- fire management
- Pima Pineapple Cactus
- United States
- Library Collection RecordAn informational clip on recreating safely where sheep guard dogs may be present.Publication Date 2009
- sheep
- guard dogs
- recreation
- Idaho
- Library Collection RecordFollowing the Elkhorn Fire which burned 23,440 acres in the Altar Valley, the Natural Resources Conservation Service prepared this report to document the fire's effect on the endangered Pima…Publication Date 2009
- Altar Valley
- Arizona
- Coryphantha scheeri
- fire management
- Pima Pineapple Cactus
- United States
- Library Collection RecordThe Southwest Climate Change Network is designed to foster dialog and exchange of reliable science and policy information among climate experts and other scientists, natural resource managers,…Publication Date 2009
- climate change
- climate data
- Impact assessment
- Arizona
- Nevada
- New Mexico
- Texas
- United States
- Utah
- Library Collection Recordflexible grazing management facilitates these processes and thus, the sustainability of rangeland livestock production.Publication Date 2009
- herbivory
- Arizona
- changes
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