Rangeland Ecology & Management
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- Library Collection RecordOne of the major issues in agropastoral development is the relationship of livestock and crop production. Does the introduction of crop cultivation on to productive rangeland deprive livestock of a…Publication Date 1991
- plant production
- animal nutrition
- animal production
- rangeland condition
- rangelands
- drought
- management
- stocking rates
- livestock
- Africa
- Library Collection RecordResults are presented of the diagnostic phase of a study of the [`]traditional' smallholder system of cattle production in southern Mozambique. Data were obtained over an 18-month period from…Publication Date 1991
- cattle
- subsistence agriculture
- agriculture
- commercial agriculture
- land use
- management
- Africa
- 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 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 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 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 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 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 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 RecordMuch of the spread of participatory rural appraisal (PRA) as an emerging family of approaches and methods has been lateral, South-South, through experiential learning and changes in behavior, with…Publication Date 1994
- socio-economic aspects
- pastoralism
- subsistence agriculture
- household income studies
- policies
- management
- decision support systems
- 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 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 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 RecordThe discussion about rangeland degradation in African pastoral systems has so far largely been based on the conventional theory of [`]carrying capacity'. This paper argues that the carrying…Publication Date 1996
- degradation
- grazing systems
- Rangeland ecosystems
- grazing
- rangeland condition
- rangelands
- subsistence agriculture
- pastoralism
- carrying capacity
- management
- stocking rates
- forage quality
- plant production
- policies
- Africa
- Library Collection RecordAlien plants invade many ecosystems worldwide, often having substantial negative effects on ecosystem structure and functioning. The apparent complexity of invasions has impaired the development of a…Publication Date 1996
- biological invasions
- Model comparison
- Plant dispersal
- Alien invasive species
- modelling
- management
- decision support systems
- ecosystem ecology
- Africa
- Library Collection RecordSPUR (Simulation of Production and Utilization of Rangelands) is a physically-based model designed to simulate the complexity of rangeland ecosystems (Wight and Skiles, 1987). Results of extensive…Publication Date 1996
- model evaluation
- Rangeland ecosystems
- Spur
- modelling
- management
- soils
- temperature
- 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 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 RecordAlthough ecological, economic and social conditions vary from country to country, the quandary of increasing pressure on limited tropical savanna resources is universal. This article reviews some of…Publication Date 1994
- savanna
- land use
- policies
- management
- decision support systems
- 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 RecordIn 1989, the opportunity was identified to create a botanical map series which could be used by authorities to make informed decisions and which would highlight the potential impact significance of…Publication Date 1996
- mapping
- conservation
- vegetation
- Coast
- South Africa
- development
- GIS
- management
- 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 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 RecordChromolaena odorata (L.) King & Robinson continues to spread through southeast Asia into the south Pacific, and into central and eastern Africa from the infestations in western and southern…Publication Date 1996
- Chromolaena odorata
- Siam weed
- Africa
- Asia
- Oceania
- Australia
- climate matching
- distribution
- Alien invasive species
- decision support systems
- Phytosociology
- management
- Africa
- Library Collection RecordThis paper presents a structured research design to achieve an economically viable and ecologically sustainable land use. It includes the major elements required to achieve a predictive capability at…Publication Date 1996
- adaptive management
- Ecological economics
- landscape ecology
- rangelands
- Sustainable utilisation
- Economic Aspects
- Systems research
- Sustainable development
- management
- Africa
- Library Collection RecordChromolaena odorata (L.) King & Robinson, a perennial, semi-woody, herbaceous scrambling shrub of neotropical origin, is an invasive weed of agriculture, forestry and conservation in many parts…Publication Date 1996
- Chromolaena odorata
- distribution
- integrated control
- management
- Weeds
- invasive plants
- Alien invasive species
- herbicides
- biological control
- Africa
- Library Collection RecordThis paper evaluates research on herbaceous tropical forage legumes in sub-Saharan Africa and offers two alternative explanations for the lack of adoption of adapted species. There is a considerable…Publication Date 1995
- legumes
- Herbaceous forages
- evaluation
- Sub-Saharan Africa
- forage quality
- management
- Africa
- Library Collection RecordThe carrying capacity concept was developed from animal ecology, and applied to rangeland management in order to assess sustainable livestock stocking rates. In it, long-term ecological…Publication Date 1994
- rangelands
- management
- livestock
- carrying capacity
- stocking rates
- agriculture
- sustainability
- Africa
- Library Collection RecordThe Hakea seed-moth, Carposina autologa Meyrick was released in South Africa for the biological control of Hakea sericea Schrader. The impact of the moth on the canopy-stored seeds of H. sericea was…Publication Date 1993
- biological control
- Alien invasive species
- Weeds
- management
- Africa
- Library Collection Record
684 Rangelands
Effective integration of the three main goals of rangeland management - economic gain through livestock production, management of game animals for recreational use, and conservation of biological…Publication Date 1992- rangelands
- biodiversity
- Economic Aspects
- grazing
- livestock
- conservation
- animal impact
- animal production
- management
- fire
- restoration ecology
- Africa
- Library Collection RecordSince its beginning about ten thousand years age, agriculture has spread steadily around the world to become a dominant form of land management on all continents. Agricultural practices have affected…Publication Date 1992
- agriculture
- conservation
- management
- Africa
- Library Collection RecordSesbania punicea (Cav.) Benth., a South American leguminous shrub or small tree, has recently become a weed, principally of river banks and of wetlands, throughout South Africa. Three weevil species…Publication Date 1991
- Sesbania punicea
- Alien invasive species
- biological control
- insects
- management
- Africa
- Library Collection RecordHakea sericea Schrader is a proteaceous shrub or small tree from southeastern Australia which has become an invasive weed of major importance in South Africa, particularly in the mountain catchments…Publication Date 1991
- Alien invasive species
- management
- biological control
- Africa
- Library Collection RecordHypericum perforatum L. is a herbaceous perennial plant that was first noticed as an invader in the Southwestern Cape of South Africa in 1945. Following an unsuccessful chemical control programme, a…Publication Date 1991
- Alien invasive species
- Weeds
- biological control
- management
- Africa
- Library Collection RecordLantana camara L., a fast-growing verbenaceous shrub from Central and South America, is a toxic invasive weed in many countries. Taxonomically, L. camara is a complex of several cultivars (forms)…Publication Date 1991
- biological control
- Weeds
- Alien invasive species
- Lantana camara
- 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 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 RecordWe begin by stressing that relevant and adequate information is an essential ingredient of efficient decision-making processes aimed at optimising the performance of livestock enterprises. Such…Publication Date 1995
- livestock
- Health production
- Africa
- Monitoring methods
- decision support systems
- management
- animal production
- monitoring
- Africa
- Library Collection RecordIntroduction of mechanized agriculture induces profound changes in soil characteristics. Soil compaction originating from mechanical land clearing, mechanized cultivation, and continuous cropping is…Publication Date 1993
- Soil Condition
- no-till
- management
- rehabilitation
- ecosystem ecology
- Africa
- Library Collection RecordThe characteristics and dynamics of dry savanna vegetation cover are receiving considerable attention from the perspectives of both global change and range degradation studies. Problems include the…Publication Date 1996
- savanna
- remote sensing
- mapping
- management
- degradation
- grazing
- 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 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 effects of soil texture and grassland management, i.e. rate of fertilizer N input, mowing vs grazing, and the number of years the site is under grass, on the amounts of soil organic C and N and…Publication Date 1994
- soil nutrients
- grasslands
- management
- Soil Condition
- grazing
- mowing
- Africa
- Library Collection RecordGround investigations of rangeland use and condition are restricted by resource and travel limitations. Management of these vast, multiuser resources could be enhanced by information from remote…Publication Date 1995
- remote sensing
- rangeland condition
- management
- Africa
- Library Collection RecordRemote sensing data has not been used to its fullest potential for management of natural resources largely because these data are not readily available. Video remote sensing has been proposed as an…Publication Date 1991
- remote sensing
- management
- agriculture
- erosion
- soil moisture
- 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
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