Rangeland Ecology & Management
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Displaying 1951 - 1999 of 1999 results
- Library Collection RecordAfter-ripening of Cenchrus ciliaris L. spikelets was modelled during storage at various temperatures and equilibrium relative humidities (e.r.h.). At 40 and 50% e.r.h., the rate of after-ripening…Publication Date 2001
- after-ripening model
- buffel grass
- Cenchrus ciliaris seed dormancy
- seed germination
- rangeland re-seeding
- seeds
- germination
- grasslands
- restoration ecology
- reseeding
- degradation
- rangelands
- Africa
- Library Collection RecordExperiments were conducted to investigate: (1) tiller recruitment within the interior of Eragrostis curvula tussocks, with and without litter removal; and (2) effects of moderate defoliation on…Publication Date 2000
- tiller demography
- tiller mortality
- central dieback
- clipping
- bunchgrass
- Semi-arid rangeland
- warm-season grass
- rangelands
- plant autecology
- grasslands
- Africa
- Library Collection RecordWe present a remotely-sensed degradation assessment technique based on the measurement of landscape heterogeneity (a key determinant of degradation status). The moving standard deviation index (MSDI…Publication Date 1999
- rangelands
- remote sensing
- NDVI values
- landscape heterogeneity
- Landsat TM
- Landsat images
- landscape ecology
- disturbance
- vegetation dynamics
- Africa
- Library Collection RecordRecent political changes in South Africa have required a new approach to project management, one that includes community involvement at all levels of project planning, decision-making and execution.…Publication Date 1998
- Mier Rural Area
- Kalahari
- South Africa
- desertification
- Community involvement
- rangeland degradation
- rangeland rehabilitation
- rangeland condition
- rangelands
- degradation
- rehabilitation
- management
- community based resource management
- socio-economic aspects
- decision support systems
- stakeholders
- Africa
- Library Collection RecordA recently published rangeland health assessment guide for arid shrublands of the Karoo, South Africa, addresses the problem of apathy toward rangeland. The guide is designed for land users with a…Publication Date 1998
- rangeland health assessment guide
- South Africa
- shrublands
- Karoo
- rangelands
- decision support systems
- Soil Condition
- animal production
- plant production
- ecology
- management
- Africa
- Library Collection RecordThis paper examines the advantages of the traditional cattlepost system against the recent drive towards the fencing of Botswana's rangelands and the establishment of privatised, commercial beef…Publication Date 1996
- rangelands
- degradation
- Kalahari
- Cattle Ranching
- Hunter-gatherers
- Botswana
- cattle
- subsistence agriculture
- commercial agriculture
- socio-economic aspects
- Economic Aspects
- politics
- policies
- grazing
- Africa
- Library Collection RecordThis work reports on a method using fuzzy membership functions to construct an aggregated interaction matrix in which the summation of variables is scaled according to the way rainfall and soil…Publication Date 1995
- rangelands
- biomass production
- fuzzy sets
- interaction matrix
- models
- aggregated knowledge
- rainfall
- Soil Condition
- soil moisture
- water use efficiency
- plant production
- animal production
- Africa
- Library Collection RecordFood plant selection by herbivorous mammals and by harvester ants Messor capensis was compared for three sites differing in past and present management in the southern Karoo, South Africa. At all…Publication Date 1993
- ecology
- seeds
- insects
- grazing
- management
- rangeland condition
- rangelands
- degradation
- Africa
- Library Collection RecordPlant facilitation (positive plant-plant interactions) strongly influences biodiversity, structure, and dynamics in plant communities, and the topic has received considerable attention among…Publication Date 2010
- Arid and semi-arid rangelands
- Habitat modification
- Resource balance hypothesis
- wind erosion
- rainfall
- rangeland condition
- rangelands
- erosion
- vegetation dynamics
- biodiversity
- grazing
- Mongolia
- China
- Library Collection RecordThis paper examines if post-fire deferment and periodic rests provided by rotational grazing allowed for more rapid recovery of soil cover, soil chemical and physical parameters, and vegetation…Publication Date 2010
- grazing management
- infiltration
- prescribed burning
- soil health
- summer fire
- rangeland restoration
- Soil Condition
- management
- grazing
- fire ecology
- plant production
- plant community ecology
- rangeland condition
- rangelands
- Texas
- USA
- Library Collection RecordDistance to grazing hotspots like watering points or farms is regularly used as proxy for grazing intensity in extended rangelands. In many studies the resulting patterns between distance and grazing…Publication Date 2010
- Ecological threshold
- Grazing hotspot
- piosphere
- rangelands
- state and transition model
- trampling
- grazing
- livestock
- management
- Library Collection RecordQuestion: Can we predict the spatial distribution of plant communities in semi-arid rangelands based on a limited set of environmental variables? Where are priority areas for conservation located?…Publication Date 2011
- CT-model
- Decision tree classifier
- grazing intensity
- Juniperus excelsa woodlands
- rangelands
- ecosystem ecology
- mapping
- conservation ecology
- grazing
- modelling
- agriculture
- Al Jabal al Akhdar
- Arabia
- Library Collection RecordIn mobile pastoralism, strategies of mobility are highly heterogeneous within communities; some herders are frequently mobile and others are not. Moreover, pastoral mobility changes over time,…Publication Date 2010
- Mobile pastoralism
- Mobility
- Herders strategy
- Multi-agent model
- Co-existence mechanism
- rangelands
- pastoralism
- decision support systems
- subsistence agriculture
- drought
- socio-economic aspects
- Mongolia
- China
- Library Collection RecordForage legumes have the potential to contribute substantially to warm-season, subtropical and tropical pastures and rangelands. Compared to grasses, they have advantages in accessing subsoil…Publication Date 2014
- grasslands
- pastures
- rangelands
- legumes
- forage ecology
- nutrients
- management
- agriculture
- nutritional value
- Library Collection RecordAbstract The ecogeomorphic processes occurring on semiarid rangelands are reviewed, with emphasis on the source-sink relations and positive feedback loops that existed between shrub patches and…Publication Date 2009
- intershrub areas
- shrubs
- soil resources
- trampling routes
- rangelands
- livestock
- Soil Condition
- grazing
- ecosystem dynamics
- Israel
- Library Collection RecordMany exotic species have been introduced or have escaped into grasslands where they form "novel ecosystems" of species with no evolutionary history of interaction. Novel ecosystems are…Publication Date 2011
- novel ecosystems
- Alien invasive species
- phenology
- niche partitioning
- Equalizing and stabilizing effects
- plant diversity
- tallgrass prairie
- altered precipitation
- global change
- Eragrostis curvula
- Panicum coloratum
- Sorghum halapense
- Sporobolus compositus
- Panicum virgatum
- Sorghastrum nutans
- grasslands
- restoration ecology
- ecosystem ecology
- species diversity
- rainfall
- Texas
- USA
- Library Collection RecordGrazing lands in warm-temperate and subtropical North America have become less diverse. Pastures are typically grass monocultures, while rangelands are generally managed for the grass components.…Publication Date 2011
- grazing
- forage quality
- grasslands
- pastures
- rangelands
- restoration ecology
- warm-season legumes
- pasture diversity
- North America
- 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 RecordQuestions How do recent patterns of drought-induced woody plant mortality in Texas semi-arid savanna compare to the extended drought of the 1950s? Does the relative composition of the woody plant…Publication Date 2014
- climate change
- climatic variability
- dieback
- Flash drought
- grazing
- Juniperus
- Legacy effect
- rangelands
- scale
- State transition
- Vegetation Change
- woody encroachment
- drought
- savanna
- indigenous encroaching species
- grazing
- Texas
- USA
- Library Collection RecordNon-native plant species often colonize retired agricultural lands, creating monocultures with low species diversity that provide poor wildlife habitat. We assessed whether sowing a mix of 29 locally…Publication Date 2013
- Bermudagrass
- habitat
- native plants
- old world bluestems
- post agricultural
- sowing
- species diversity
- restoration ecology
- seeds
- alien invasive plants
- grasslands
- Lower Rio Grande Valley
- Texas
- Library Collection RecordThe main objective of this study was to determine to what extent grazing pressure and timing modulate the seasonal progression of herbage quality in hilly Mediterranean grassland systems. The study…Publication Date 2011
- grazing
- cattle
- fodder quality
- grassland
- management
- rangelands
- sustainablity
- acid detergent fibre
- digestibility
- grazing system
- neutral detergent fibre
- near-infrared reflectance spectroscopy
- protein
- stocking rate
- eastern Galilee
- Israel
- Library Collection RecordQuestions: Can prescribed fire restore C4 perennial grasses in grassland ecosystems that have become dominated by fire-resistant C3 shrubs (Prosopis glandulosa) and C3 grasses? Do fires in different…Publication Date 2010
- burning
- fire ecology
- Herbaceous composition
- mesquite
- prescribed fires
- savanna
- species diversity
- woody plant
- restoration ecology
- fire ecology
- management
- grasslands
- ecosystem ecology
- C4 grasses
- Texas
- USA
- Library Collection RecordThe objectives of this study were to use the in vitro gas production (IVGP) technique to evaluate the pattern and parameters of anaerobic fermentation of forages from south Texas pastures throughout…Publication Date 2011
- forage quality
- grazing
- cattle
- in vitro
- modelling
- nutrition
- prediction
- simulation
- Texas
- USA
- Library Collection RecordAbstract not available
- wildlife management
- watershed management
- range management
- invasive species
- Texas
- Library Collection RecordAnts are considered an important faunal group for the functioning of arid rangelands, they have a long history of use for environmental monitoring, and exhibit four global patterns in grazing lands…Publication Date 2011
- biodiversity
- Bioindicator
- chenopod shrubland
- disturbance
- Formicidae
- grazing impacts
- Mulga
- piosphere
- Ants
- invertebrates
- rangelands
- monitoring
- grazing
- management
- restoration ecology
- Australia
- Library Collection RecordAbstract not available
- universities
- Libraries
- agricultural education
- Texas
- monitoring
- grazing
- recreation
- 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 RecordObjective: To contribute to the integration of key ecological concepts such as dynamic equilibrium, critical threshold, resistance and resilience to the "State and Transition Model " (STM…Publication Date 2011
- Dynamic equilibrium
- rangeland ecology
- resilience
- resistance
- thresholds
- ecosystem ecology
- modelling
- Ecosystem function
- state-and-transition model
- rangelands
- management
- Library Collection RecordRangeland systems cover vast areas of the earth s surface containing great diversity of life, and contribute to the livelihoods and welfare of millions of people. The management of rangeland systems…Publication Date 2010
- behavioral syndromes
- grazing distribution
- Individual foraging behavior
- large herbivores
- phenotypic plasticity
- grazing management
- grazing
- management
- rangelands
- foraging ecology
- Library Collection RecordAbstract not available
- rangelands
- Nebraska
- Library Collection RecordThere is little direct evidence about the business model used by the legendary cattle king, Sir Sidney Kidman. Kidman's properties were invariably stocked at less than full capacity, and were…Publication Date 2012
- adaptation
- climate change
- diversification
- drought
- rangelands
- real options
- market risk
- Australia
- Library Collection RecordThis paper proposes a broad overview of possible responses to the challenges posed by rangelands to promote discussion on a sustainable future for these vast regions. Rangelands Australia, an…Publication Date 2012
- Indigenous human populations
- Indigenous knowledge
- rangeland communities
- rangeland management
- sustainable livelihoods
- rangelands
- management
- sustainability
- pastoralism
- Nature reserves
- restoration
- Australia
- Library Collection RecordThresholds and transitions between vegetation states are accepted components of models of rangeland dynamics. By definition, transitions represent changes from one state to another that are enduring…Publication Date 2012
- alternative states
- range monitoring
- state and transition
- vegetation dynamics
- rangelands
- management
- grasslands
- policies
- Library Collection Record
- rangelands
- rangeland soils
- range management
- prairies
- tourism
- land use
- land resources
- land productivity
- land management
- land
- grazing management
- grazing intensity
- grazing
- grasslands
- grasses
- educational institutions
- education
- Agricultural industry
- agricultural education
- training
- teaching
- Nebraska
- Library Collection RecordAbstract not available
- rangelands
- rangeland soils
- range management
- ranching
- market prices
- Market analysis
- livestock production
- land management
- land
- grazing management
- grazing intensity
- grazing
- grasslands
- grasses
- forage
- educational institutions
- education
- animal production
- animal nutrition
- Animal breeding
- training
- teaching
- Nebraska
- recreation
- Library Collection Record•UC Cooperative Extension and USDA NRCS have been jointly conducting Ranch Water Quality Planning Short Courses for rangeland owners since 1995. During these courses rangeland owners and managers…
- watershed management
- water quality
- rangelands
- California
- California
- Library Collection RecordIn the past few years, African medicinal plants have received considerable attention, and it has been lamented that the documentation of the continent's species that are used in traditional…Publication Date 2011
- medicinal plants
- rangelands
- savanna
- grasslands
- Ethnobotany
- southern Africa
- Library Collection RecordAbstract not available
- vegetation types
- vegetation
- rangelands
- California
- California
- Library Collection RecordAbstract not available
- rangelands
- plants
- California
- Library Collection RecordLand use and land transformation are major threats to biodiversity. Only a small percentage of land and thus biodiversity is protected within reserves. The majority of biodiversity lies in the hands…Publication Date 2010
- biodiversity
- South Africa
- Eastern Cape
- Agrobiodiversity
- Agricultural ecology
- veld
- landscape assessment
- rangeland condition
- rangelands
- plant production
- grassland
- savanna
- socio-economic aspects
- communal farming
- grazing
- fire ecology
- soil erosion
- commercial agriculture
- southern Africa
- Library Collection RecordInternationally there is an increasing focus on involving local communities in natural resource management and monitoring. Monitoring methods which are professionally driven appear to be inadequate…Publication Date 2009
- Conservation of Natural Resources
- natural resources
- management
- Community development
- citizen participation
- Conservation of Natural Resources
- social aspects
- socio-economic aspects
- management
- natural resources
- monitoring
- communal farming
- conservation
- biodiversity
- rangelands
- southern Africa
- Library Collection RecordAbstract not available
- stocking rate
- rangelands
- range management
- ranching
- planning
- grazing management
- grazing intensity
- grazing
- animal production
- animal nutrition
- animal husbandry
- animal health
- animal feeding
- weed control
- sustainability
- sheep
- Hawaii
- recreation
- grazing systems
- goats
- fencing
- cattle
- Library Collection RecordGrazing lands in Eritrea are degraded due to decades of overstocking and consequent overgrazing. Since the rangelands are accessible to entire village communities, organisation and coordinated…Publication Date 2007
- rangelands
- degradation
- communal farming
- subsistence agriculture
- livestock
- management
- grazing
- Commercial farming
- cattle
- household income studies
- forage
- southern Africa
- Library Collection RecordSummary in English and AfrikaansPublication Date 2003
- rangelands
- rangeland management
- pastoralism
- socio-economic aspects
- management
- southern Africa
- Library Collection RecordAccelerated erosion is a major environmental, social and economical threat in South Africa. It is estimated that in excess of 400 million tones of soil is lost every year in South Africa, with much…Publication Date 2008
- soil erosion
- management
- bushveld
- rangelands
- savanna
- Game Reserve
- rainfall
- restoration ecology
- southern Africa
- Library Collection RecordAbstract not available
- water
- rangelands
- forestry
- educational institutions
- training
- teaching
- Colorado
- Library Collection RecordA comparison of soil degradation between communal grazing and controlled grazing was undertaken in the Victoria-East district of the Eastern Cape. The study was undertaken in the communal rangeland…Publication Date 2000
- soil
- degradation
- rangelands
- management
- communal grazing
- subsistence agriculture
- grazing
- commercial agriculture
- erosion
- southern Africa
- Library Collection Record
- rangelands
- information dissemination
- training
- teaching
- Colorado
- Library Collection RecordRangelands comprise between 40 and 50 percent of all U.S. land and serve the nation both as productive areas for wildlife, recreational use, and livestock grazing and as watersheds. The health and…
- watershed management
- rangelands
- rangeland soils
- evaluation
- vegetation
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