Rangeland Ecology & Management
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- Library Collection RecordA mathematical model is presented of the subsistence pastoral system on the Makatini Flats surrounding the Pongola floodplain just south of the Mozambique border in north-eastern South Africa. The…Publication Date 1990
- modelling
- management
- subsistence agriculture
- pastoralism
- land use
- grazing
- irrigation
- Africa
- Library Collection RecordThe conventional view of 34;traditional 34; or informal systems of African land rights is that they impede agricultural development, and that land titling or registration is needed to encourage land…Publication Date 1990
- politics
- socio-economic aspects
- rangelands
- economics
- land-use
- pastoralism
- soils
- legislation
- management
- stakeholders
- Africa
- Library Collection RecordStrains of Cynodon dactylon (L.) Pers. were collected from six different climatic localities in South Africa. Under controlled conditions the strains were submitted to various environmental stress…Publication Date 1990
- plant autecology
- grasslands
- management
- pasture management
- drought
- plant production
- Africa
- Library Collection RecordCompared with monospecies stocking, numerous studies substantiate that multispecies stocking can efficiently increase use within and among the mosaic pattern of rangeland plant life forms. However,…Publication Date 1990
- rangeland
- livestock
- management
- diet selection
- foraging ecology
- cattle
- sheep
- vegetation dynamics
- Africa
- Library Collection RecordThe large human and livestock populations in relation to the land area, coupled with the [`]user-right' land tenure system, makes the land use planning process in the communal lands of Zimbabwe…Publication Date 1990
- management
- land use
- policies
- politics
- socio-economic aspects
- subsistence agriculture
- Africa
- Library Collection RecordPreviously described forage and beef models were used to investigate the biological productivity of continuous (CG) and rotational grazing (RG) systems on common bermudagrass (Cynodon dactylon (L.)…Publication Date 1989
- cattle
- foraging ecology
- modelling
- animal production
- management
- stocking rates
- grazing
- grasslands
- Africa
- Library Collection RecordLand use policy is often developed without regard to historical considerations, even though policy may fail because it is familiar to local people who have found it to be inaccurate and inappropriate…Publication Date 1989
- land use
- policies
- subsistence agriculture
- management
- decision support systems
- Africa
- Library Collection RecordThis article addresses the potential land use conflict between trees and cattle. The search for pasture frequently leads to the large-scale destruction of trees yet, paradoxically, when grazing land…Publication Date 1989
- cattle
- grazing
- pasture management
- communal farming
- land use
- management
- rangelands
- decision support systems
- sustainability
- Africa
- Library Collection RecordThe different approaches to control of weeds by biological methods are reviewed. The methods depend upon the techniques used and the control desired. These approaches are classified as follows: the…Publication Date 1989
- Weeds
- biological control
- augmentative
- inoculative
- Conservative
- broad spectrum
- Alien invasive species
- indigenous encroaching species
- management
- Africa
- Library Collection RecordThis paper discusses options for improvement of the Borana pastoralist system. Overall, the prospects for increasing offtake of livestock or milk, by improvements in marketing facilities alone are…Publication Date 1988
- pastoralism
- animal production
- management
- drought
- livestock
- Supplementary Feeding
- Africa
- Library Collection RecordRainfall and the length of the growing seasons are highly variable in the semiarid East African rangelands such as Borana. Dry years occur about one year in five and droughts one year in twenty.…Publication Date 1988
- pastoralism
- animal production
- management
- drought
- livestock
- Supplementary Feeding
- cattle
- livestock
- Africa
- Library Collection RecordA plant growth model has been developed as a component of a general rangeland production and utilization model (SPUR). The carbon and nitrogen content of standing green, live roots, propagules,…Publication Date 1988
- modelling
- rangelands
- animal production
- plant production
- management
- Africa
- Library Collection RecordThe semi-arid lands of the world are characterized by low and unreliable rainfall, with lack of soil moisture during all or part of the year being the predominant limitation to vegetative growth.…Publication Date 1988
- agriculture
- irrigation
- soil moisture
- management
- erosion
- land use
- Africa
- Library Collection RecordAbstract The main factors affecting the abundance and composition of the invertebrate fauna in grassland are reviewed. Old grasslands with species-rich swards and complex structure support an…Publication Date 1987
- grasslands
- biodiversity
- soils
- ecosystem ecology
- management
- Pesticides
- Africa
- Library Collection RecordLearning early in life may play an important role in the development of dietary habits and foraging skills of domestic ruminants. In this review we (1) explore the theoretical and empirical bases of…Publication Date 1987
- diet selection
- foraging ecology
- livestock
- management
- Africa
- Library Collection RecordSatellite imaging systems do not produce images that are in perfect planimetric accord with the Earth's surface, nor do the images coincide with the deliberately distorted geometrics of various…Publication Date 1987
- satellite imagery
- image registration
- vegetation monitoring
- remote sensing
- drought
- management
- vegetation dynamics
- Africa
- Library Collection RecordRemote sensing in aridland/rangeland regions has developed to meet the need for low cost management information over large expanses of land. Applications include rangeland management, watershed…Publication Date 1987
- remote sensing
- rangelands
- management
- Africa
- Library Collection RecordThe design of improved technology or production policies depends upon evaluation of alternative options in terms of their efficiency. Measurement of the efficiency of a pastoral livestock system may…Publication Date 1986
- policies
- pastoralism
- carrying capacity
- livestock
- rangeland condition
- Economic Aspects
- management
- Africa
- Library Collection RecordIn spite of good rains in 1985, much of Africa is still dependent on food aid and millions of people remain displaced from their homes. The reasons for this situation are not climatically related.…Publication Date 1986
- management
- drought
- degradation
- desertification
- policies
- socio-economic aspects
- rehabilitation
- Africa
- Library Collection RecordA fundamental issue in many LDCs is the degree to which natural resource mismanagement is caused by common property arrangements. This view has led to widespread attempts to "privatize"…Publication Date 1986
- socio-economic aspects
- management
- Sustainable development
- 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 RecordEmpirical evidence indicates that the magnitude of global warming to be expected from the relase of CO2 into the atmosphere by the burning of fossil fuels has been greatly overestimated by scientists…Publication Date 1983
- management
- carbon dioxide
- climate change
- greenhouse gases
- plant production
- grasslands
- global warming
- Africa
- Library Collection RecordA major problem for many decision-makers is the lack of reliable information on which to base decisions. This is particularly true for the extent and location of as well as changes in such natural…Publication Date 1982
- Landsat images
- management
- remote sensing
- Africa
- Library Collection RecordA forage model and a cattle production model were interfaced and adapted for tropical production conditions in East Africa. The objectives of the modelling were to structure and conceptualise a…Publication Date 1981
- modelling
- cattle
- animal production
- management
- grazing
- communal farming
- policies
- Africa
- Library Collection RecordA state-of-the-art review is presented concerning the transport of nutrients (N and P), oxygen demanding compounds (BOD and COD), indicator organisms and pathogens in runoff from land areas receiving…Publication Date 1980
- pasture management
- rangelands
- pollution
- nutrient loads
- management
- runoff
- 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 RecordAgricultural development is a complex undertaking because of the numerous factors involved, including those of a physical and non-physical nature. Land and water have often been (and are nowadays…Publication Date 1974
- agriculture
- land use
- management
- hydrology
- modelling
- 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 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 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
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