Rangeland Ecology & Management
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- Library Collection RecordSummary provides the best available information on costs to date of the primary agencies involved in the Mexican wolf recovery and reintroduction. Â Estimates are not an exact accounting of actual…Publication Date 2012
- endangered species
- wildlife management
- wolves
- Arizona
- Mexican gray wolf
- New Mexico
- Southwestern United States
- Wolf management
- wolf reintroduction
- Library Collection RecordAbstract Monitoring is a critical component of adaptive management but often weak or missing in practice. We examined grazing allotment files to identify patterns in monitoring and management…Publication Date 2012
- adaptive management
- Altar Valley
- Arizona
- coronado national forest
- grazing allotments
- monitoring
- Southern Arizona
- Library Collection RecordThis article provides an overview of the notable events of 1918 including the filming of two westerns, The Trail to Yesterday and The Light of Western Stars, the drafting of several Arivaca residents…Publication Date 2012
- Altar Valley
- Arivaca
- Arizona
- history
- United States
- 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 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 RecordDegradation of soil as a consequence of land use poses a threat to sustainable agriculture in South Africa, resulting in the need for a soil protection strategy and policy. Development of such a…Publication Date 2011
- land use
- soils
- policy
- Organic Content
- grazing
- fire
- rangeland
- agriculture
- conservation
- no-till
- pasture
- soil nutrients
- organic carbon
- management
- restoration ecology
- South Africa
- Library Collection RecordThe decline of soil organic matter as a result of agricultural land use was identified for a review with the ultimate aim of developing a soil protection strategy and policy for South Africa. Such a…Publication Date 2011
- land use
- soils
- policy
- Organic Content
- grazing
- fire
- rangeland
- agriculture
- conservation
- no-till
- pasture
- soil nutrients
- South Africa
- 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 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 RecordUnderstanding changes in biodiversity in agricultural landscapes in relation to land-use type and intensity is a major issue in current ecological research. In this context nutrient enrichment has…Publication Date 2011
- Biodiversity exploratories
- fertilization
- grazing
- land use
- mowing
- nitrogen
- nutrient limitation
- phosphorus
- productivity
- agriculture
- pastures
- grasslands
- plant production
- soil nutrients
- Europe
- 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 RecordOver the past few years, agribusiness, investment funds and government agencies have been acquiring long-term rights over large areas of land in Africa. Together with applicable national and…Publication Date 2011
- policies
- land use
- Economic Aspects
- politics
- International Institute for Environment and Development policy
- research
- climate
- ecology
- urban
- economics
- sustainability
- legislation
- southern Africa
- Library Collection RecordThe desertification tendency of the Qubqi Desert in China for 10 years was investigated using vegetation and soil change indices extracted from seven LANDSAT TM images. To identify the…Publication Date 2011
- desertification
- grasslands
- monitoring
- LANDSAT vegetation index
- land use
- Qubqi Desert
- China
- Library Collection RecordAbstract Protected areas such as national parks are often assumed to be the best way to conserve plant diversity and maintain ecosystem composition and structure. To evaluate this assertion, we…Publication Date 2011
- conservation
- management
- restoration ecology
- management
- grasslands
- data analysis
- biodiversity
- land use
- vegetation dynamics
- grazing
- species richness
- national parks
- Tunisia
- Africa
- Library Collection RecordWe assessed past and present vegetation patterns in relation to land use on a municipal commonage in South Africa. We asked specifically whether the reassignment of the commonage for the use of…Publication Date 2011
- Bush encroachment
- land degradation
- land reform
- post-apartheid
- subtropical thicket
- land use
- aerial photography
- Impact assessment
- indigenous encroaching species
- Eastern Cape
- South 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 RecordFirst page of Land, Food, and Biodiversity Agriculture currently occupies over 40% of Earth's land area and consumes 70% of available freshwater. Production systems have increased food output in…Publication Date 2011
- biodiversity
- animal production
- plant production
- Economic Aspects
- ecology
- conservation
- land use
- management
- 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
- losses from soil
- losses
- soil
- overgrazing
- grazing intensity
- grazing
- Rainfall patterns
- Rainfed farming
- Cultural Methods
- rain
- land management
- land use
- land
- 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
- agriculture
- abandoned land
- land use
- natural resources
- farmland
- land resources
- degradation
- environmental degradation
- reclamation
- land improvement
- land use
- grazing
- Pasture Improvement
- pastures
- animal production
- land resources
- agriculture
- degradation
- 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
- biomass
- land use
- grasslands
- Library Collection RecordPublication Date 2011
- grazing
- Brazil
- prices
- land use
- demand
- models
- Library Collection RecordThe South African government, as part of its efforts to mitigate the effects of the ongoing energy crisis, has proposed that biofuels should form an important part of the country's energy supply…Publication Date 2011
- biodiversity
- Alien invasive species
- land use
- management
- policies
- biofuels
- South Africa
- 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 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 Record1. Spatially explicit understanding of the delivery of multiple ecosystem services (ES) from global to local scales is currently limited. New studies analysing the simultaneous provision of multiple…Publication Date 2011
- of plant community diversity and structure
- ecosystem services
- functional trade-offs
- landscape modelling
- mountain grassland management
- plant functional traits
- management
- grassland
- modelling
- ecosystem services
- policy
- land use
- grassland
- ecosystem ecology
- biodiversity
- plant functional traits
- Central French Alps
- Europe
- Library Collection RecordA longitudinal study of California hardwood rangelands shows significant change in landowner characteristics and goals. Results of three studies spanning 1985 to 2004 were used to develop and…Publication Date 2010-05-01
- attitudes
- conservation easements
- impermanence syndrome
- land use
- management
- Quercus
- 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 RecordAbstract Woody plant increase in grassy biomes has been widely reported over the last century. Increases have been attributed to local drivers associated with land use change, such as heavy grazing…Publication Date 2010
- biome switch
- global drivers
- land use practices
- local drivers
- thicket expansion
- indigenous encroaching species
- grasslands
- grazing
- fire ecology
- carbon dioxide
- Aerial Photographs
- land use
- conservation
- commercial agriculture
- communal farming
- stocking rates
- 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 RecordAbstract Grazing is one of the key processes in terrestrial ecosystems and this can be provided by both indigenous and domestic ungulates. However, a question remains whether or not traditional forms…Publication Date 2010
- biodiversity
- dung beetles
- grazing
- land use
- indicator species
- livestock
- insects
- management
- conservation
- Vaalbos National Park
- South Africa
- Library Collection RecordDuring the last few decades, many regions have experienced major land use transformations, often driven by human activities. Assessing and evaluating these changes requires consistent data over time…Publication Date 2010
- Dryland observation
- scale
- Time series analysis
- NOAA AVHRR
- Landsat TM/ETM+
- remote sensing
- land use
- monitoring
- NOAA
- management
- Greece
- 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 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 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 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 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 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 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 RecordThis paper is a first step towards a conservation plan for the Kruger to Canyons Biosphere Reserve (K2C) on the South African Central Lowveld, quantifying the historical land-cover trends (1993 2006…Publication Date 2010
- Central Lowveld
- conservation planning
- development
- land-use change
- conservation
- management
- land use
- rangeland
- ecosystem ecology
- biodiversity
- socio-economic aspects
- South Africa
- 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 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 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 RecordThe purpose of this study was to evaluate the usefulness of the spectral information of digital aerial sensors in determining land-cover classification using new digital techniques. The land covers…Publication Date 2010
- digital aerial photography
- expert classification algorithm
- land-cover classification
- objectoriented classification
- UltracamD
- agriculture
- land use
- Cordoba Province
- Spain
- 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 RecordLand degradation in drylands is one of the major environmental issues of the 21st century particularly due to its impact on world food security and environmental quality. Climate change, shifts in…Publication Date 2010
- drylands
- Ecogeomorphology
- land degradation
- sediment transport
- Vegetation patterns
- degradation
- climate change
- soil erosion
- vegetation dynamics
- erosion
- land use
- management
- Library Collection RecordMany researchers have used time-series analysis of remotely sensed images to gain understanding of the dynamics of loss of vegetation cover in drylands. However, complex interactions between…Publication Date 2010
- Loss of vegetation
- Mixed-effects
- NDVI
- remote sensing
- modelling
- NDVI values
- vegetation dynamics
- climate
- rainfall
- soils
- land use
- Somalia
- Ethiopia
- Africa
- 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
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