Rangeland Ecology & Management
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- 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 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
- 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 RecordGrazing with livestock is a common feature of nature and rangeland management. Although both aim at different, seemingly opposing goals, i.e. maintenance of biodiversity values versus maximization of…Publication Date 2010
- grazing capacity
- model
- Nature conservation management
- forage
- livestock
- forage quality
- conservation
- management
- biodiversity
- animal production
- grazing
- grasslands
- soils
- erosion
- animal nutrition
- Forage Quantity
- modelling
- 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 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 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 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 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 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 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 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 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 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 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 RecordThe objective of this study was to clarify whether the changes in percent cover of plant functional types (i.e., life forms and growth forms) along a grazing gradient reflect the livestock number,…Publication Date 2009
- grazing intensity
- plant functional type
- rangeland ecology
- semi-arid
- grazing
- livestock
- management
- sheep
- grasslands
- plant anatomy
- plant autecology
- vegetation dynamics
- Mongolia
- China
- Library Collection RecordDespite the importance of livestock to poor people and the magnitude of the changes that are likely to befall livestock systems, the intersection of climate change and livestock in developing…Publication Date 2009
- development
- research
- Poverty
- impact
- livestock
- systems
- climate change
- household income studies
- pastoralism
- Economic Aspects
- Africa
- Library Collection RecordWe assessed whether prior foraging by wild herbivores affected foraging behaviour of cattle in Laikipia rangeland, Kenya, during February 2001, August 2001 and February 2002. The study compared…Publication Date 2009
- competition
- bite rate
- foraging behaviour
- livestock
- private land
- Step rate
- wildlife
- foraging ecology
- management
- Africa
- Library Collection RecordLivestock are a global resource of significant benefits to society in the form of food, income, nutrients, employment, insurance, traction, clothing and others. In the process of providing these…Publication Date 2009
- agriculture
- livestock
- greenhouse gases
- Economic Aspects
- Africa
- Library Collection RecordThe mediterranean ecosystems of the world harbor exceptional biodiversity, and factors such as livestock grazing which may negatively affect biodiversity are of global concern. The mediterranean…Publication Date 2009
- rangelands
- rangeland condition
- vegetation dynamics
- grazing
- biodiversity
- livestock
- commercial agriculture
- communal farming
- Karoo
- Africa
- Library Collection RecordThe impacts of climate change are expected to be generally detrimental for agriculture in many parts of Africa. Overall, warming and drying may reduce crop yields by 10-20% to 2050, but there are…Publication Date 2009
- Season failure
- Poverty
- Agricultural systems
- Targeting
- climate change
- global warming
- agriculture
- drought
- animal production
- plant production
- livestock
- Sub-Saharan Africa
- Library Collection RecordHuman land use such as pastoralism may be a key determinant of wildlife populations. We studied the influence of land use on wildlife and livestock in south-western Kalahari, Botswana, during the wet…Publication Date 2009
- Carnivore
- distance
- herbivore
- Mammal
- Ostrich
- savanna
- land use
- conservation
- national parks
- livestock
- pastoralism
- cattle
- species richness
- Africa
- Library Collection RecordThis study examined intraspecific variation in mineral composition and rumen degradability of Atriplex nummularia plants and the influence on selection preferences of sheep. Individual plants were…Publication Date 2009
- forage quality
- in situ degradability
- intraspecific variation
- salt bush
- sheep
- nutrition
- diet selection
- forage quality
- South Africa
- Library Collection RecordPrimary energy extraction patterns by livestock under agropastoralism and ranching were investigated by the bite count method in semiarid south-eastern Kenya. Sward biomass for optimal energy intake…Publication Date 2009
- agropastoralism
- energy intake
- ranching
- livestock
- cattle
- sheep
- goats
- pastoralism
- diet selection
- grazing
- management
- animal production
- Kenya
- Africa
- Library Collection RecordThe nutritive value of four subtropical grasses (Panicum maximum, Anthephora pubescens, Digitaria eriantha and Chloris gayana) standing hay were compared in terms of qualitative intake and partial…Publication Date 2009
- Anthephora pubescens
- Chloris gayana
- Digitaria eriantha
- nutritive value
- Panicum maximum
- diet selection
- sheep
- forage quality
- animal nutrition
- grazing
- South Africa
- Library Collection RecordNatural resource management may change local and regional ecosystems, especially in drought-prone environments. Livestock are commonly kept as a source of capital in agriculturally dominated…Publication Date 2009
- desertification
- erosion
- Holistic management
- riparian grazing
- management
- degradation
- communal farming
- ecosystem dynamics
- livestock
- watering points
- Zimbabwe
- Africa
- Library Collection RecordThe direct short-term impact of three rates of stocking (4, 8 and 16 small-stock units [SSU] ha-1) was quantified in terms of soil characteristics of arid Nama Karoo vegetation (subshrub/grass).…Publication Date 2009
- bulk density
- Infiltration Rate
- Karoo bushes
- soil compaction
- stocking rate
- sheep
- agriculture
- grazing
- soils
- stocking rates
- hydrology
- South Africa
- Library Collection RecordIn this study, we asked the Ariaal herders of northern Kenya to answer 'why, what and how' they classified landscape, and assessed and monitored the biodiversity of 10 km2 of grazing land.…Publication Date 2009
- Anthropogenic indicators
- Ariaal
- biodiversity
- Indigenous knowledge
- Grazing suitability
- landscape classification
- Landscape potential
- traditional knowledge
- pastoralism
- monitoring
- grazing
- grasslands
- land use
- Soil Condition
- livestock
- conservation
- management
- Kenya
- Africa
- Library Collection RecordIngestion of small amounts of condensed tannin (CT) by ruminants can prevent bloat, improve nitrogen retention, and reduce excretion of urea, a precursor of ammonia and the greenhouse gas nitrous…Publication Date 2008-05-01
- livestock
- pollution reduction
- quebracho tannin
- Library Collection RecordCheatgrass (Bromus tectorum L.) is an invasive annual grass that creates near-homogenous stands in areas throughout the Intermountain sagebrush steppe and challenges successful native plant…Publication Date 2008-01-01
- cheatgrass
- clipping
- grazing
- livestock
- native plant restoration
- weed control
- Library Collection RecordSemi-arid areas are often considered to be environmentally and economically marginal, a situation which has been exacerbated by economic change, shifts in agricultural production and land use, and…Publication Date 2008
- Dry land degradation
- Economic decline
- Livestock trends
- population change
- Small towns
- rangelands
- Economic Aspects
- livestock
- agriculture
- socio-economic aspects
- politics
- Africa
- Library Collection RecordWe compared prediction of in vivo dry matter (DMD) and neutral detergent fiber (aNDFD) digestibility by the following techniques: (1) Tilley and Terry two-stage in vitro (conventional in vitro or…Publication Date 2008
- Digestion Techniques
- Filter bags
- Grinding size
- in vitro digestibility
- livestock
- animal nutrition
- fodder quality
- Africa
- Library Collection RecordLivestock production systems in Africa are experiencing rapid changes in structure and function due to increased demands for livestock products from a more prosperous and ever-increasing human…Publication Date 2008
- Methane
- livestock systems
- Livestock Populations
- climate change
- IPCC
- Africa
- cattle
- sheep
- goats
- greenhouse gases
- Africa
- Library Collection RecordIncreases of velvet mesquite (Prosopis velutina Woot.) in southwestern grasslands might have been caused by livestock consumption of fuels that once burned with sufficient frequency and intensity to…Publication Date 2007-09-01
- burn
- exotic grasses
- foliage volume
- fuels
- grazing
- livestock
- Library Collection RecordExplanations for why sympatric ruminant species select diets composed of different plant species or plant parts have been controversial. Our explanation is based on learning from foraging…Publication Date 2007-03-01
- diet selection
- herbivory
- cattle
- sheep
- goats
- Library Collection RecordThe impacts of wild herbivores on cattle diet selection were investigated in an East African rangeland during August 2001 and February 2002. The study compared cattle diets in plots exclusively…Publication Date 2007-03-01
- forbs
- livestock
- megaherbivores
- nutrition
- productivity
- wild herbivores
- Library Collection RecordLivestock grazing may or may not be an exogenous disturbance facilitating the spread of exotic grasses, perhaps depending on the historical importance of native ungulates in a particular grassland.…Publication Date 2007
- Boer Lovegrass
- disturbance
- invasion
- Lehmann lovegrass
- livestock
- Africa
- Library Collection RecordBiodiversity is a critical component of the natural environment and the protection of it often meant the displacement of local communities in developing countries. The Richtersveld National Park (…Publication Date 2007
- rangelands
- conservation
- Population crashes
- Herd recovery
- goats
- biodiversity
- socio-economic aspects
- national parks
- sheep
- pastoralism
- land use
- Africa
- Library Collection RecordPastoral production around artificial watering points in semi-arid environments affects the density and composition of plant communities. In the Kalahari desert of southwestern Africa, bush…Publication Date 2007
- Rural livelihoods
- watering points
- land degradation
- Fodder trees
- Indigenous ecological knowledge
- Herero
- pastoralism
- traditional knowledge
- piosphere
- degradation
- cattle
- household income studies
- participatory rural appraisal
- livestock
- subsistence agriculture
- socio-economic aspects
- Africa
- Library Collection RecordThe aim of this study was to determine the effect of drought on grazing patterns of livestock in a communal rangeland in Namaqualand. Water points were the foci of almost all grazing routes even…Publication Date 2007
- pastoralism
- drought
- Livestock farming
- Livestock activity patterns
- communal rangeland
- livestock
- communal farming
- rangeland condition
- Africa
- Library Collection RecordA national-level land degradation risk monitoring system identified an important grazing area in central northern Namibia as an area at risk of environmental change. A time series analysis of primary…Publication Date 2007
- semi-arid
- local knowledge
- rainfall variability
- water supply
- grazing
- land management
- degradation
- data analysis
- grasslands
- livestock
- rainfall
- participatory rural appraisal
- decision support systems
- management
- traditional knowledge
- Africa
- Library Collection RecordAs part of an investigation of land degradation in the South African Karoo, three types of fine sediment signatures (radionuclides, mineral magnetism and sediment geochemistry) were used to trace the…Publication Date 2007
- Sediment fingerprinting
- South African Karoo
- Erosion history
- Extreme events
- 137Cs and 210Pb
- land use
- soils
- management
- grazing
- fire
- livestock
- Africa
- Library Collection RecordAdequate water supplies are essential to efficient livestock production. In many areas livestock are in conflict with crops for water and for key areas of use. Both surface and underground sources…Publication Date 2007
- Livestock drinking water
- Resource conflict
- Organization and management of water
- participation
- Cost recovery
- hydrology
- agriculture
- livestock
- socio-economic aspects
- policies
- Africa
- Library Collection RecordThis series of two papers describes a mechanistic model that simulates within years the productivity of vegetation and livestock on the communal semi-arid rangeland of the Succulent Karoo of South…Publication Date 2007
- semi-arid rangelands
- Mechanistic model
- plant growth
- diet selection
- food intake
- animal productivity
- rangeland condition
- rangelands
- plant production
- animal production
- communal farming
- livestock
- management
- soil moisture
- rainfall
- runoff
- modelling
- Africa
- Library Collection RecordIn the biodiversity rich regions of western South Africa transhumance grazing strategies were practised for thousands of years. Today only vestiges of these systems remain with private ownership…Publication Date 2007
- Ecosystem goods and services
- livestock management
- productivity
- phenology
- landscape heterogeneity
- livestock
- management
- ecosystem dynamics
- Economic Aspects
- ecosystem services
- grazing
- household income studies
- Africa
- Library Collection RecordFarm practices in the Sneeuberg Mountains, Karoo, South Africa are examined to assess their contribution to the development of the observed gullies and badlands. Data from the literature is augmented…Publication Date 2007
- erosion
- land degradation
- range management
- vegetation
- grazing
- Stock
- management
- degradation
- land use
- participatory rural appraisal
- livestock
- rehabilitation
- Africa
- Library Collection RecordHousing developments are replacing ranches in the southwestern United States, with potentially significant but little-studied ecological effects. We counted grasshoppers (Orthoptera: Acrididae) and…Publication Date 2006-11-01
- Acrididae
- fire
- forbs
- grasslands
- grazing
- livestock
- mesquite
- oak
- Library Collection RecordLeafy spurge is an invasive Eurasian weed on pastures and rangeland in North America where it reduces grass forage production. Our objective was to determine the effects of multispecies grazing…Publication Date 2006-09-01
- Aphthona flea beetles
- cattle
- sheep
- Euphorbia esula
- multispecies grazing
- successional weed management
- Library Collection RecordScaled quail (Callipepla squamata pallida Vigors) are closely associated with semidesert grasslands of the southwestern United States, and populations have declined by as much as 50% since 1960.…Publication Date 2006-05-01
- Callipepla squamata
- grazing
- livestock
- exotic grasses
- semidesert grassland
- Chihuahuan desertscrub
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2006-02-01
- stubble
- vegetation
- environmental monitoring
- riparian areas
- livestock
- grazing management