Rangeland Ecology & Management
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- Library Collection RecordA review is presented of dambo properties and hydrological data relevant to the determination of runoff response. The review focuses upon dambo distribution, topographic location, soil water regime,…Publication Date 1992
- Africa
- Library Collection RecordThe use of hydrologic modeling and simulation in range management has been increasing. Models provide effective and efficient tools for range management and research. As management tools, they are…Publication Date 1990
- Africa
- Library Collection RecordThree algebraic infiltration equations (Kostiakov's, Horton's and Philip's) were examined to determine which one would best fit infiltrometer data collected from a variety of mostly…Publication Date 1976
- rainfall
- rangelands
- hydrology
- Africa
- Library Collection RecordThe prediction of land erosion rates under different types of land use is difficult because of the large number of variables involved. This paper attempts to isolate the most important…Publication Date 1980
- land use
- erosion
- management
- Africa
- Library Collection RecordRecognition of (late) Tertiary shorelines on continental coasts is becoming increasingly common. It is argued that the elevations of such features are central to their approximate dating and the…Publication Date 1984
- palaeobotany
- Africa
- Library Collection RecordThe oxygen isotopic composition of modern soil carbonate is well correlated with the isotopic composition of local meteoric water. The carbon isotopic cycle for CO2 in soils can be described in terms…Publication Date 1984
- carbon dioxide
- climate change
- soils
- palaeoclimate
- palaeoecology
- Africa
- Library Collection RecordAbstract not available.Publication Date 1993
- rangeland
- ecology
- management
- Africa
- Library Collection RecordThe endemic seed plant flora of the north-eastern Transvaal Escarpment (part of the Afromontane Region) is assessed in terms of the region's lithology (mainly rocks of the Transvaal Sequence). A…Publication Date 1993
- grasslands
- endemic species
- taxonomy
- conservation
- Alien invasive species
- Africa
- Library Collection RecordNo abstract availablePublication Date 1991
- revegetation
- rangelands
- ecology
- vegetation dynamics
- Africa
- Library Collection RecordWith the scarcity of extensive, pristine land for new nature reserves it has become increasingly important to reconcile man's activities with nature conservation. Midmar Dam, Natal, South Africa…Publication Date 1991
- invasive plants
- conservation
- Alien invasive species
- invertebrates
- Africa
- Library Collection RecordThe relationships between resource availability and the requirements of ungulate species were approached by assessing the habitat preferences of three ungulate species, namely roan Hippotragus…Publication Date 1990
- Africa
- Library Collection RecordThe past and present distributions of Rudd's lark are reviewed, and recent claims concerning range reduction examined. The species occurs within a geographically and altitudinally restricted…Publication Date 1988
- biodiversity
- grasslands
- birds
- grazing
- land use
- Africa
- Library Collection RecordThe invasions of introduced species into five reserves in tropical savannas and dry woodlands are described. Vascular plants are the group having the most introduced species; invasions are least…Publication Date 1988
- Alien invasive species
- Nature reserves
- savanna
- ecosystem ecology
- biological control
- insects
- Africa
- Library Collection RecordMany areas of East Africa show signs of misuse of natural resources by man. An improved use of these resources can be made if land use is integrated within the boundaries of a natural ecosystem,…Publication Date 1987
- conservation
- land use
- pastoralism
- agriculture
- ecosystem ecology
- eco - tourism
- socio-economic aspects
- Africa
- Library Collection RecordWithin the field of conservation there has been increasing concern about the fragmentation and isolation of habitats. Suggestions have been made for the implementation of [`]buffer zones' to…Publication Date 1987
- conservation
- land use
- monitoring
- satellite imagery
- remote sensing
- mapping
- Africa
- Library Collection RecordDistribution trends are reviewed among 1808 plant species known to be in the IUCN Red Data Book categories and which occur in the fynbos and karoo biomes of the Cape Province, South Africa. The field…Publication Date 1987
- taxonomy
- biodiversity
- conservation
- Africa
- Library Collection RecordSouth Coast Renosterveld is a small-leaved shrubland confined to the semi-arid and sub-humid coastal forelands of the southern and south-eastern Cape, South Africa. The flora of this vegetation type…Publication Date 1986
- Endemism
- grassland
- management
- rangeland condition
- grazing
- fire ecology
- renosterveld
- Africa
- Library Collection RecordThe Transvaal Threatened Plants Programme was initiated during 1976. After the publication of the first Threatened Plants Report for Southern Africa during 1980 (Hall et al., 1980) considerable…Publication Date 1986
- taxonomy
- conservation
- threatened plants
- Africa
- Library Collection RecordComputer-based aids have been used extensively to support surveys of threatened plants in Southern Africa. The surveys have shown that by far the highest concentration of threatened plants occurs in…Publication Date 1984
- taxonomy
- endemic species
- conservation
- Africa
- Library Collection RecordGreywing and redwing francolins are members of a fire climax grassland. From previous observation the immediate effect of fire depresses densities of these birds, as does the long-term exclusion of…Publication Date 1981
- fire ecology
- birds
- grasslands
- Africa
- Library Collection RecordAlthough soil and forest conservation measures in Africa were reflected in the early legislation of some countries, it was first with the nature reserve and national park concept of the late 1890s…Publication Date 1974
- conservation
- soils
- legislation
- national parks
- ecosystem dynamics
- economics
- Africa
- Library Collection RecordThe environment of the highveld of south-central Africa is such that most grasslands are only temporary and the spread of trees into grassland--[`]bush encroachment'--is only checked by periodic…Publication Date 1973
- grasslands
- management
- indigenous encroaching species
- fire
- biological control
- cattle
- goats
- Africa
- Library Collection RecordA system of classification of the biotic communities of the world, taking into account vegetation, flora, and fauna, is needed for purposes of global conservation of species and ecosystems. In this…Publication Date 1972
- ecosystems
- conservation areas
- classification
- biodiversity
- national parks
- Africa
- Library Collection RecordOf all the continents, Africa has the highest proportion of land fit for agriculture. The principal vegetative cover on this land is grass, which, when it is well managed, gives good protection…Publication Date 1971
- grasslands
- management
- socio-economic aspects
- subsistence agriculture
- pastoralism
- Africa
- Library Collection RecordThis paper discusses the basic relationship between the dietetic needs of pastoral people, the number of stock they must keep to supply these needs, and the productive capacity of the environment.…Publication Date 1971
- Africa
- Library Collection RecordA model for estimating soil water content on native rangeland was tested at Sidney, Montana. Based on the Penman combination method for estimating potential ET, the model includes factors to account…Publication Date 1973
- modelling
- soils
- rangeland
- plant production
- management
- Africa
- Library Collection RecordA central goal of ecosystem ecology is to understand how the cycling of nutrients and the growth of organisms are linked. Ecologists have repeatedly observed that nutrient mineralization and plant…Publication Date 2004
- ecosystem ecology
- soil fertility
- soil nutrition
- plant production
- Africa
- Library Collection RecordWe analyzed data sets on phytomass production, basal cover, and monthly precipitation of a semiarid grassland in South Africa for good, medium, and poor rangeland condition (a) to investigate whether…Publication Date 2004
- grasslands
- plant production
- rainfall
- rangeland condition
- modelling
- biomass
- Africa
- Library Collection RecordSince the mid-19th century settled livestock ranching has been the major form of land use in South Africa, occupying 68% of the land surface. Decreases in livestock densities and ranch numbers during…Publication Date 1995
- rangeland condition
- rangelands
- management
- degradation
- carrying capacity
- grazing
- indigenous encroaching species
- restoration ecology
- sustainability
- Africa
- Library Collection RecordThe Eastern Cape Subtropical Thicket (ECST) forms the transition between forest, semiarid karroid shrublands, and grassland in the Eastern Cape, South Africa. Undegraded ECST forms an impenetrable,…Publication Date 1995
- rangeland condition
- rangelands
- degradation
- eco - tourism
- grasslands
- ecosystem ecology
- Africa
- Library Collection RecordDinoflagellate cyst and pollen records from marine sediments off the southwestern African coast reveal three major aridification periods since the last glaciation and an environmental correlation…Publication Date 2000
- aridification
- upwelling
- pollen
- dinoflagellate cyst
- interhemispheric asynchrony
- Southwestern Africa
- palaeobotany
- Africa
- Library Collection RecordDetailed reconstructions of vegetation structure are critical to understanding morphological and behavioral adaptations of Plio-Pleistocene African hominids. Savanna grassland habitats are often…Publication Date 1997
- bovid
- vegetation
- grasslands
- bipedality
- savanna
- palaeobotany
- Africa
- Library Collection RecordTo support grazing and fire management of communal semi-arid to sub-humid African rangelands, the assessment of grazing capacity is illustrated for cattle. The forage dry matter intake (DMI) was…Publication Date 2002
- Africa
- communal grazing
- grazing capacity
- natural grasslands
- range management
- Africa
- Library Collection RecordA pattern of seasonal mobility between the coast and the hinterland by Khoekhoe pastoralists in the south-western Cape of South Africa was documented at the time of European contact. Because the…Publication Date 2002
- pastoralism
- SEASONAL MOBILITY
- Africa
- oxygen
- CARBON AND STRONTIUM ISOTOPE RATIOS
- Tooth enamel
- Africa
- Library Collection RecordBotswana 039;s Kalahari rangelands have historically supported a diversity of wildlife and a number of subsistence livelihood activities, such as agropastoralism, hunting and gathering. Recently,…Publication Date 2003
- rangelands
- matsheng
- subsistence livelihoods
- sustainability
- community-based natural resource management
- economics
- animal production
- rangeland condition
- Africa
- Library Collection RecordBiomass burning is an important ecosystem process in southern Africa, with significant implications for regional and global atmospheric chemistry and biogeochemical cycles. In this paper,…Publication Date 2003
- Savanna fires
- southern Africa
- pyrogenic emissions
- Burned area
- Landsat
- Kalahari
- fire
- fire ecology
- carbon dioxide
- satellite imagery
- Africa
- Library Collection RecordFires in African savannas produce emissions contributing to changes in global biogeochemical processes. In the Southern African Regional Science Initiative (SAFARI-2000), fuels characteristics were…Publication Date 2003
- Kalahari
- biomass
- moisture content
- fire intensity
- rate of spread
- flame length
- emissions
- fire
- savanna
- grasslands
- greenhouse gases
- Africa
- Library Collection RecordCyanobacterial soil crusts may be important in arid and semi-arid ecosystems because of their ability to fix atmospheric nitrogen (N2). These crusts are very sensitive to trampling by animals, and…Publication Date 2003
- soil crusts
- N fixation
- Kalahari
- acetylene reduction
- isotopes
- savanna
- soils
- ecosystem ecology
- Africa
- Library Collection RecordA distinguishing, co-dominance feature of trees and grasses in Savannas was prominently explained by Walter. He hypothesized that water is the limiting factor and grasses are superior competitors for…Publication Date 2003
- trees
- grasses
- roots
- savanna
- isotopic
- carbon
- hydrology
- plant autecology
- ecology
- Africa
- Library Collection RecordWe examined relationships between vegetation and soil nutrients along rainfall and land use gradients in the Kalahari. Soil organic carbon (SOC) was significantly lower where reduced rainfall and…Publication Date 2003
- soil organic carbon
- soil organic nitrogen
- rainfall gradient
- land-use gradient
- Kalahari
- savanna
- Botswana
- soil nutrition
- rainfall
- grazing
- grasslands
- land use
- Africa
- Library Collection RecordThis is a keynote paper focusing on regional perspectives on agriculture and biodiversity by exploring the situation in Northern Africa, the West African Sahel, East Africa and the Horn, and Southern…Publication Date 2003
- agriculture
- biodiversity conservation
- disequilibrium theories
- environmental Kuznet's curve
- hotspots
- agroecological intensification
- agrodiversity
- organic farming
- agroforestry
- biodiversity
- economics
- soils
- livestock
- management
- land-use
- Africa
- Library Collection RecordThe effect of intensive grazing and browsing of domestic stock and wildlife on the number of species and abundance of vegetation was investigated in the Hoanib River catchment, north-western Namibia…Publication Date 2003
- vegetation impact
- Arid Environment
- intensive grazing
- ecosystem ecology
- vegetation dynamics
- grasslands
- grazing
- livestock
- wildlife
- land use
- drought
- Africa
- Library Collection RecordOveroptimistic stocking rates are the leading cause of rangeland degradation. The phenomenon of patch-selective grazing means that the stocking rate on heavily used patches is much higher than that…Publication Date 2003
- basal area
- patch overgrazing
- patch selection
- spatial heterogeneity
- Species Composition.
- stocking rates
- rangeland condition
- degradation
- rangelands
- grazing
- animal impact
- management
- Africa
- Library Collection RecordThe numbers of livestock and wildlife that can be supported in an arid environment such as the Hoanib River catchment, north-western Namibia, are determined by annual and seasonal availability of…Publication Date 2003
- Non-equilibrium system
- vegetation assessment
- Arid Environment
- vegetation dynamics
- ecosystem ecology
- livestock
- wildlife
- grazing
- rainfall
- land use
- piosphere
- Africa
- Library Collection RecordRange condition at sites of differing land-use intensity at a communal farm was assessed. Vegetation, soil and termite parameters were tested for their potential as indicators. The vegetation…Publication Date 2002
- desertification
- land degradation
- range condition assessment
- indicators
- soil fertility
- Termites
- biodiversity
- land-use intensity
- land use
- degradation
- rangeland condition
- communal farming
- Soil Condition
- Africa
- Library Collection RecordPlant and bird species richness and abundance in two patches of native Acacia karroo and two patches of alien Prosopis species drainage line woodland in the southern Kalahari, South Africa, were…Publication Date 2002
- invasive plants
- Arid savanna
- Woodland structure
- bird communities
- diversity
- biodiversity
- vegetation dynamics
- Africa
- Library Collection RecordNebkha dunes have been proposed as a reliable rapid indicator of aeolian erosion and dryland degradation. This paper tests the applicability of these links for the Molopo Basin, southern Africa where…Publication Date 2002
- nebkha
- soil degradation
- wind erosion
- Molopo Basin
- southern Africa
- soils
- degradation
- ecology
- Africa
- Library Collection RecordWe examined the relationship between a Chihuahuan Desert grassland keystone species (banner tailed kangaroo rat, Dipodomys spectabilis) and several vegetation and soil indicators of rangeland health…Publication Date 2002
- banner-tailed kangaroo rat
- Chihuahuan Desert
- desertification
- Dipodomys spectabilis
- Environmental indicators
- degradation threshold
- grasslands
- degradation
- decision support systems
- modelling
- Africa
- Library Collection RecordThis study examined the short-term response of rangeland to annual (1993/94 to 1996/97 seasons) application of fertilizer [all combinations of 0; 10; 30 and 50 kgha-1nitrogen (N), with 0 and 10 kgha…Publication Date 2002
- aboveground phytomass production
- drought sensitivity
- Crude Protein Content
- nitrogen
- nutrient use efficiency
- phosphorus
- rain-use efficiency
- soil compaction
- rangelands
- fertilizer
- plant production
- species richness
- Soil Condition
- vegetation dynamics
- soil fertility
- Africa
- Library Collection RecordAcross nearly 100 sampling locations widely distributed within the arid shrubland of Western Australia, we demonstrated a general relationship between landscape function, primary productivity and…Publication Date 2002
- landscape function
- resilience
- Landscape degradation
- primary productivity
- indicators
- patch
- patch-mosaic
- ecosystem ecology
- plant production
- rainfall
- grazing
- sheep
- degradation
- Africa