Rangeland Ecology & Management
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Displaying 1 - 22 of 22 results
- Library Collection RecordPastoral livestock production systems in Africa that have existed for centuries are now threatened by changing demographics, improved communications, increased availability of modern weapons, open…Publication Date 2017
- Africa
- cattle
- food crisis
- grazing
- livestock
- nomads
- range management
- Library Collection RecordNon-selective grazing (NSG) is a relatively novel way of farming livestock in the Nama Karoo of South Africa. Our key question was how heavy grazing under this high-intensity, low-frequency grazing…Publication Date 2003-09-01
- soil microorganisms
- cell respiration
- infiltration (hydrology)
- aggregate stability
- mixed grazing
- soil organic matter
- South Africa
- stocking rate
- grazing intensity
- sheep
- goats
- cattle
- range management
- grazing systems
- hoof action
- infiltration
- intensive herbivory
- microbial respiration
- semiarid
- Library Collection RecordThe high inherent variability in rainfall and forage availability in arid regions makes it very difficult for a rancher to establish a herd size that is suited to the environment and also complicates…Publication Date 2004-03-01
- variability
- ranching
- drought
- range management
- grass production
- arid environments
- deserts
- Africa
- Library Collection RecordA comparative study was made of 3 techniques applied to the study of herbivore diet selection, namely direct observation, faecal analysis and the recently developed remote control oesophageal fistula…Publication Date 2001-09-01
- feces collection
- diet study techniques
- cud
- direct observation
- shrublands
- errors
- sampling
- herbivores
- goats
- grazing
- feeding preferences
- microhistological analysis
- goats
- South Africa
- Oesophageal fistula
- Library Collection RecordInformed management of large herbivores depends largely on how well habitat availability and suitability are understood. The aims of the study were to quantify and map the distribution of sour and…Publication Date 2002-03-01
- game reserves
- sourveld
- mixed veld
- game animals
- mapping
- habitat selection
- habitats
- satellite imagery
- multispectral imagery
- South Africa
- veld
- natural grasslands
- plant communities
- wildlife management
- biomass
- botanical composition
- wildlife
- GIS
- remote sensing
- Landsat
- ground-truthing
- Library Collection RecordWe compared the herbage standing crop on 31 farms along a rainfall gradient in Namibia (southwestern Africa) in 1997 with the results attained for the same gradient by Walter (1939). We found that…Publication Date 2000-03-01
- Namibia
- environmental degradation
- desertification
- grasslands
- rain
- stocking rate
- biomass production
- overgrazing
- forage
- Africa
- rangelands
- historical records
- grazing
- rainfall
- Library Collection RecordThe Ecological Index Method impacted directly on the estimation of grazing capacities in the Karoo, an arid region in South Africa. Due to inherent deficiencies in the ecological index method, index…Publication Date 2000-09-01
- Limax
- pioneer species
- agronomic traits
- arid grasslands
- carrying capacity
- nutrient requirements
- climax communities
- South Africa
- veld
- estimation
- digestibility
- sheep
- range management
- botanical composition
- nutritive value
- canopy
- grasses
- available dry matter production
- canopy spread cover
- current grazing capability
- [K divided by (Ca + Mg)
- total digestible nutrients
- Library Collection RecordThe diversity of the herbaceous layer in the Nylsvley Nature Reserve (Mixed Bushveld) was investigated to enhance the understanding of savanna ecosystems and to serve as a baseline for future…Publication Date 1999-09-01
- South Africa
- savannas
- species diversity
- range condition
- veld
- stocking rate
- plant communities
- overgrazing
- plant density
- botanical composition
- grasses
- dry matter
- Library Collection RecordThe relation was studied between the applied stocking rates and the degree to which sheep grazed stems of various karoobush species. A rule of thumb exists amongst farmers and research workers in the…Publication Date 1996-03-01
- Asteraceae
- Eriocephalus
- pentzia spinescens
- rosenia humilis
- eriocephalus ericoides
- stems
- prediction
- South Africa
- palatability
- stocking rate
- diameter
- selective grazing
- semiarid zones
- sheep
- Library Collection RecordThe sequence of species selection over the grazing period directly determines the effectiveness of different grazing systems. Knowledge of this sequence is also important in understanding the plant-…Publication Date 1995-07-01
- Tristachya
- tirstachya leucothrix
- Themeda triandra
- Eragrostis plana
- Hyparrhenia hirta
- South Africa
- veld
- tillers
- sheep
- cattle
- range management
- botanical composition
- defoliation
- grazing
- feeding preferences
- Library Collection RecordPlant structure should be an important determinant of species acceptability to grazing ungulates functioning under various time-energy constraints. The acceptability of 9 grasses to sheep grazing a…Publication Date 1993-05-01
- Cynodon dactylon
- agronomic traits
- tensile strength
- Eragrostis plana
- Hyparrhenia hirta
- Sporobolus indicus var. capensis
- eragrostis capensis
- eragrostis gummiflua
- michrocloa caffra
- leaves
- Eragrostis
- Eragrostis curvula
- stems
- Paspalum notatum
- plant morphology
- South Africa
- Poaceae
- sheep
- grazing behavior
- feeding preferences
- Library Collection RecordAfrican pastoral ecosystems have been studied with the assumptions that these ecosystems are potentially stable (equilibrial) systems which become destabilized by overstocking and overgrazing.…Publication Date 1988-11-01
- dynamics
- development policy
- program evaluation
- environmental degradation
- Africa
- ecosystems
- pastoralism
- crop production
- range management
- climatic factors
- livestock
- grazing
- Library Collection RecordThe purpose of this study was to investigate modifying microclimatic effects of spring burning in tall grassland, long-term burning trials at Ukulinga, Pietermaritzburg, South Africa. Soil…Publication Date 1983-03-01
- South Africa
- Library Collection RecordAssistance programs in range management to developing countries in Africa by the U.S. Agency for International Development historically have had a training program for nationals for the host…Publication Date 1981-01-01
- Africa
- Library Collection RecordThe evolution of multi-camp schemes from nonselective grazing to short duration grazing management on Hillside Ranch in the False Karoo in the Southern Orange Free State, Republic of South Africa, is…Publication Date 1978-11-01
- South Africa
- Library Collection RecordThis study was conducted as part of a broad ecosystem project to identify and quantify some of the significant relationships between cattle and their environment. Over a period of 1 year, monthly…Publication Date 1980-03-01
- South Africa
- Library Collection RecordThis article is an attempt to review and synthesize the present state of knowledge on the Sahel rangelands in a concise way. Ecological conditions, land use practices, livestock numbers, and…Publication Date 1980-01-01
- Africa
- deserts
- Library Collection RecordSpreading or creeping deserts worldwide are causing concern. Recent publicity indicates that man's efforts in supplying technology and aide projects to stem the desertification process have not…Publication Date 1978-09-01
- Africa
- Library Collection RecordThe study of the relationships between annual rainfall and range production in the Mediterranean Basin and the Sahelian Sudanian tropical zones of Africa shows a close correlation between average…Publication Date 1977-05-01
- Africa
- Mediterranean region
- Library Collection RecordAfrican cattle production and marketing in Zambia is far below its favorable potential. Stubborn cultural impediments are slowly being overcome. The process involves two basic steps: (1) stimulating…Publication Date 1966-11-01
- Improving
- Cultural Conflicts
- Cattle Business
- Zambia
- Impediments
- Economic Wants
- sales
- Seller
- Animal Husbandry Officer
- Bridewealth
- Feasting
- Religious Ceremonies
- Gifts
- Herding Arangements
- Common Interest
- Security
- Economic Asset
- cattle production
- marketing
- Extension
- Africa
- Killing
- production
- Library Collection RecordDevelopment of extensive Nigerian grasslands should follow a range management philosophy. A range management approach offers the best solution for utilization of resources already at hand without the…Publication Date 1966-11-01
- Plant Productivity
- Soil Productivity
- Research Information
- Base
- Existing Grasslands
- livestock distribution
- Africa
- resources
- Need
- grassland vegetation
- Nigeria
- Livestock Industry
- utilization
- development
- grasslands
- range management
- Library Collection RecordIn South Africa lovegrass yields liveweight cattle gains around 375 lb./acre, and it is easily managed by very heavy and continuous grazing during the growing period. Fertilizer boosts production,…Publication Date 1965-07-01
- Bermuda grass
- Natural
- Chloromelas
- Sown
- Lovegrass
- Curvula
- Robusta
- Stoebe vulgaris
- gummiflua
- sporobolus pyramidalis
- Johannesburg
- Winter Feeding Trials
- Continuous
- Heavy
- Cynodon dactylon
- Hyparrhenia hirta
- Eragrostis
- Eragrostis curvula
- fertilizer
- reclamation
- palatability
- South Africa
- grazing
- management
- stocking rate