Rangeland Ecology & Management
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- Library Collection RecordWatering points in the semi-arid Kruger National Park, Klaserie Private Nature Reserve, Cleveland Game Park and four game ranches in the Klaserie district were studied. Herbaceous community…Publication Date 2000
- rangeland condition
- watering points
- piosphere
- Kruger National Park
- national parks
- plant production
- Soil Condition
- stocking rates
- vegetation dynamics
- foraging ecology
- Africa
- Library Collection RecordThe objective of this study was to examine the impact of provision of perennial water supply, as a management strategy to enhance game viewing, on herbaceous vegetation. Changes in herbaceous species…Publication Date 1999
- Artificial water provision
- drought
- ecotourism
- herbivore impacts
- proximal polygons
- spatial dynamics
- temporal dynamics
- wildlife management
- savanna
- management
- piosphere
- animal impact
- species richness
- biodiversity
- vegetation dynamics
- Africa
- Library Collection RecordFifteen environmental variables, among them cattle density (hereafter [`]pressure index'), were measured along grazing gradients of eight boreholes at Olifants Drift in south-eastern Botswana.…Publication Date 1998
- environmental variables
- pressure index
- Grazing gradients
- bush-encroaching
- CANOCO
- boreholes
- encroacher
- cattle
- grazing
- stocking rates
- indigenous encroaching species
- pastoralism
- subsistence agriculture
- Africa
- Library Collection RecordThe significance of encroacher woody plant browse (among other factors) in the composition of the diet of cattle was quantified for July 1996, March 1997 and September 1997. This is important because…Publication Date 1998
- woody encroachers
- woody plant browse
- carrying capacity
- communal rangelands
- crude protein
- D. cinerea
- G. flava
- forage quality
- Forage Quantity
- foraging ecology
- cattle
- grasslands
- grazing
- vegetation dynamics
- ecosystem dynamics
- Africa
- Library Collection RecordRecent political changes in South Africa have required a new approach to project management, one that includes community involvement at all levels of project planning, decision-making and execution.…Publication Date 1998
- Mier Rural Area
- Kalahari
- South Africa
- desertification
- Community involvement
- rangeland degradation
- rangeland rehabilitation
- rangeland condition
- rangelands
- degradation
- rehabilitation
- management
- community based resource management
- socio-economic aspects
- decision support systems
- stakeholders
- Africa
- Library Collection RecordA recently published rangeland health assessment guide for arid shrublands of the Karoo, South Africa, addresses the problem of apathy toward rangeland. The guide is designed for land users with a…Publication Date 1998
- rangeland health assessment guide
- South Africa
- shrublands
- Karoo
- rangelands
- decision support systems
- Soil Condition
- animal production
- plant production
- ecology
- management
- Africa
- Library Collection RecordNamibia is an extremely arid country with very low and erratic rainfall. It has a population of 1·7 million people; most Namibians are subsistence farmers living in communal areas that are…Publication Date 1998
- communal farmers
- Namibia
- SARDEP
- community-based organizations
- subsistence agriculture
- sustainability
- policies
- participatory rural appraisal
- Sustainable development
- Africa
- Library Collection RecordThe aim of this study was to determine the water requirements for germination and early seedling establishment of four African savanna tree species, namelyAcacia karroo, A. nilotica, A.…Publication Date 1998
- Acacia karroo
- Acacia nilotica
- Acacia tortilis
- drought
- imbibition
- Mundulea sericea
- regeneration
- root penetration
- seed viability
- seeds
- germination
- savanna
- Africa
- Library Collection RecordTwo pairs of a natural and an artificial watering point in each of the four largest land systems in the Kruger National Park, South Africa were randomly selected for study. The herbaceous community…Publication Date 1998
- piosphere
- grazing pressure
- watering points
- water provision
- Kruger National Park
- national parks
- ecosystem ecology
- vegetation dynamics
- rangeland condition
- degradation
- Africa
- Library Collection RecordThe structural and functional attributes of the herbaceous sward were contrasted under three land uses (commercial cattle farms, communal cattle lands and private game farms) and two catenal…Publication Date 1997
- Annual
- basal area
- cattle
- communal grazing
- density
- game
- palatability
- perennial
- tuft size
- landscape ecology
- commercial agriculture
- communal farming
- game farming
- soils
- climate
- land use
- management
- species richness
- biodiversity
- Africa
- Library Collection RecordSoil particle size distribution and infiltration of water into the soil were measured in transects radiating from drinking troughs in the Kruger National Park. Soil particle size distribution…Publication Date 1997
- Infiltration Rate
- watering points
- piosphere
- Kruger National Park
- national parks
- Soil Condition
- soil moisture
- Africa
- Library Collection RecordThis paper describes a participatory research process designed to gather and structure community knowledge (local and scientific) into a single accessible decision support system, based on case-based…Publication Date 1997
- case-based reasoning
- knowledge enhancement
- rangeland management
- Participatory research
- decision support systems
- decision-making
- Africa
- Library Collection RecordFive techniques that are generally used in the western part of the grassland biome of southern Africa were evaluated. The techniques were tested on the mid-slopes (high species diversity) and…Publication Date 1997
- grazing gradient
- Key Species
- forage factors
- ordination
- grasslands
- grazing
- monitoring
- forage quality
- foraging ecology
- degradation
- Africa
- Library Collection RecordThis paper examines the advantages of the traditional cattlepost system against the recent drive towards the fencing of Botswana's rangelands and the establishment of privatised, commercial beef…Publication Date 1996
- rangelands
- degradation
- Kalahari
- Cattle Ranching
- Hunter-gatherers
- Botswana
- cattle
- subsistence agriculture
- commercial agriculture
- socio-economic aspects
- Economic Aspects
- politics
- policies
- grazing
- Africa
- Library Collection RecordThe emergence and spatial distribution of grass seedlings were studied in a degraded savanna in south-eastern Botswana. When the rainy season started early, several separate establishment…Publication Date 1996
- Africa
- grasses
- rainfall
- Seedling
- Aristida congesta
- Chloris virgata
- Cymbopogon plurinodis
- Eragrostis rigidior
- Tragus berteronianus
- Urochloa panicoides
- degradation
- savanna
- seeds
- germination
- plant autecology
- drought
- runoff
- rehabilitation
- Africa
- Library Collection RecordThe gradual decline in the ecological condition of natural pastures as a result of over-utilization and the application of insufficient management decisions, coupled with the detrimental effects of…Publication Date 1997
- ecotype
- Digitaria eriantha
- Poaceae
- reclamation
- restoration
- arid grasslands
- restoration ecology
- rehabilitation
- grasslands
- management
- drought
- plant autecology
- rainfall
- vegetation dynamics
- seeds
- germination
- ecosystem ecology
- Africa
- Library Collection RecordRangeland ecologists, particularly those in North America, have traditionally worked with a paradigm founded on the notion of Clementsian succession. This is increasingly being called into question.…Publication Date 1997
- succession
- Climax
- Land Units
- Geomorphology
- environmental factors
- floristic
- physiognomic
- vegetation dynamics
- grazing
- management
- Africa
- Library Collection RecordThe arid central dune field of the Namib Desert is characterized by a pronounced rainfall gradient across its west-east, 160 km breadth, and a correlated increase in sand stability and grass…Publication Date 1997
- dune ecology
- fungal diversity
- moisture
- mutualism
- Namib Desert
- Namibia
- pulse-reserve paradigm
- mycorrhiza
- rainfall
- ecosystem dynamics
- ecosystem ecology
- Africa
- Library Collection RecordThe percentage of phenolic containing cells (PCC) and total phenolics in the leaves of different ecotypes of three ecological important grass species were determined during cultivation under uniform…Publication Date 1995
- phenolic compounds
- ecotypes
- Themeda triandra
- Eragrostis racemosa
- Digitaria eriantha
- plant autecology
- vegetation dynamics
- rangeland condition
- Africa
- Library Collection RecordThis work reports on a method using fuzzy membership functions to construct an aggregated interaction matrix in which the summation of variables is scaled according to the way rainfall and soil…Publication Date 1995
- rangelands
- biomass production
- fuzzy sets
- interaction matrix
- models
- aggregated knowledge
- rainfall
- Soil Condition
- soil moisture
- water use efficiency
- plant production
- animal production
- Africa
- Library Collection RecordIn semi-arid and arid magisterial (administrative) districts (n = 45) in the Cape Province, South Africa, there has been a mean 44·4 ± 14·6% (S.D.) reduction in the stocking rates of domestic…Publication Date 1994
- livestock
- animal production
- stocking rates
- rainfall
- drought
- socio-economic aspects
- Africa
- Library Collection RecordUsing the methods of direct gradient analysis, we investigated some of the factors responsible for species turnover in the dwarf shrubland/grassland interface of the eastern half of the Nama-Karoo…Publication Date 1994
- grasslands
- soil moisture
- species richness
- rainfall
- environmental factors
- climate change
- management
- Africa
- Library Collection RecordFood plant selection by herbivorous mammals and by harvester ants Messor capensis was compared for three sites differing in past and present management in the southern Karoo, South Africa. At all…Publication Date 1993
- ecology
- seeds
- insects
- grazing
- management
- rangeland condition
- rangelands
- degradation
- Africa
- Library Collection RecordThis paper discusses land use patterns of hunter-gatherers inhabiting arid grasslands of later Pleistocene East Africa, inferred from an analysis of raw material economy in five Later Stone Age (LSA…Publication Date 1999
- palaeobotany
- land use
- grasslands
- Africa
- Library Collection RecordAbstract 10.1002/qj.49712253008.abs An atmospheric general-circulation model with realistic land-surface properties is used to investigate the climatic effect of doubling the extent of the earth…Publication Date 1996
- climate change
- Climate modelling
- desertification
- Regional climate sensitivity
- Africa
- Library Collection RecordThe relationships between pastoralists, livestock, and the environment in dryland Africa are complex. Over the last half-century dominant narratives have portrayed pastoralists and their livestock as…Publication Date 2010
- NDVI
- GPS
- cattle mobility
- grazing ecology
- degradation
- Cultural ecology
- piosphere
- Kenya
- Africa
- Library Collection RecordRestoration of degraded soils is a development strategy to reduce desertification, soil erosion and environmental degradation, and alleviate chronic food shortages with great potential in sub-Saharan…Publication Date 2005
- soil organic matter
- soil degradation
- global warming
- soil restoration
- agroforestry
- farming systems
- ecoregions
- Sub-Saharan Africa
- carbon sequestration in soil
- soil organic carbon
- carbon sequestration
- climate change
- restoration ecology
- degradation
- Soil Condition
- desertification
- erosion
- carbon dioxide
- fire ecology
- agriculture
- management
- Africa
- Library Collection RecordWhat is overgrazing? Does it cause soil erosion? The recent debate from the ecological literature is reviewed as background to the debate on overgrazing and soil erosion. This debate stresses the…Publication Date 2004
- soil erosion
- Over Grazing
- Communal lands
- equilibrium and non-equilibrium theory
- South Africa
- grazing
- communal farming
- Abandoned lands
- rangeland condition
- management
- Africa
- Library Collection RecordWoody, subalpine shrubs and grasses currently surround Lake Rutundu, Mount Kenya. Multiple proxies, including carbon isotopes, pollen and grass cuticles, from a 755-cm-long core were used to…Publication Date 2003
- Late Quaternary
- East Africa
- palaeoecology
- fire history
- C3
- C4
- palaeobotany
- Africa
- Library Collection RecordStable carbon and oxygen isotope analyses of ungulate grazers from four archaeological sites located in different environs within the Caledon River Valley have provided a relatively well-dated proxy…Publication Date 2002
- terminal Pleistocene
- Holocene
- carbon and oxygen isotopes
- southern Africa
- palaeoenvironments
- palaeobotany
- palaeoclimate
- Africa
- Library Collection RecordThe microscopic charcoal content of several Quaternary pollen sequences is used to investigate fire history in South Africa both during the Holocene and the Late Pleistocene. Although fluctuations in…Publication Date 2002
- microscopic charcoal
- pollen sequences
- fire history
- Iron Age
- Quaternary
- South Africa
- palaeobotany
- Africa
- Library Collection RecordAs stated by many authors in the recent past, soil erosion is one of the major environmental problems in southern Africa and it will become even more severe in the future due to population growth and…Publication Date 2003
- remote sensing
- degradation
- Erosion modelling
- Swaziland
- modelling
- soil erosion
- grasslands
- Africa
- Library Collection RecordIn the context of climate change mitigation and poverty reduction, it has been argued that biogas energy is relevant, as it is economically and ecologically useful. In the 1980s, biogas use played an…Publication Date 2014
- climate change
- Biogas
- socio-economic aspects
- policy
- rural women
- household income studies
- subsistence agriculture
- rural areas
- Burundi
- Africa
- Library Collection RecordA paired site study was conducted of communally grazed eutrophic and dystrophic grasslands and adjacent ungrazed areas of varying periods of exclusion from communal grazing. This allowed…Publication Date 1999
- grasslands
- grazing
- rural areas
- subsistence agriculture
- animal production
- plant production
- biodiversity
- Africa
- Library Collection RecordNASA's flagship Earth Observing System (EOS) Terra satellite was launched in 1999 and began sensing in March 2000 coincident with the first major field campaign of the Southern Africa Regional…Publication Date 2005
- remote sensing
- Africa
- Library Collection RecordUniversity of Natal , Pietermaritzburg, Doctor of Philosophy in the School of Life and Environmental Sciences.Publication Date 2004
- grasslands
- mangement
- carbon dioxide
- community vegetation studies
- plant production
- water use efficiency
- ecosystem ecology
- Africa
- Library Collection RecordThe link between species' functional traits and competitive abilities has been described as a major factor structuring plant communities. However, two diverging hypotheses have been proposed to…Publication Date 2014
- functional trait
- community ecology
- grasses
- competition
- ecosystem ecology
- soil moisture
- soil nutrients
- root ecology
- plant competition
- root length density
- root phosphorus use efficiency
- specific root length
- trait hierarchy
- trait similarity
- France
- Library Collection Record1. Plant-plant interactions are known to vary with changing environmental conditions; however, we have little empirical knowledge of the impact of abrupt environmental changes on millennial scale…Publication Date 2011
- climate change
- palaeoecology
- management
- grasses
- modelling
- community dynamics
- ecosystem changes
- abrupt climate change
- alternative stable states
- community dynamics
- competition
- facilitation
- fire
- herbivore density
- nitrogen availability
- plant population
- Tree-grass coexistence
- England
- Library Collection RecordThe invasion of exotic grasses into savannas is occurring globally. Despite threats to ecosystem processes and biodiversity, few studies have investigated factors that facilitate invasion success. *…Publication Date 2013
- cattle grazing
- exotic grass
- facilitation
- grass-fire cycle
- savanna
- wind dispersal
- grazing
- Alien invasive species
- ecosystem ecology
- restoration ecology
- Cenchrus ciliaris
- grasses
- fire ecology
- grazing
- soils
- rainfall
- drought
- Queensland
- Australia
- Library Collection RecordThis study evaluated the effects of soil moisture deficit and subsequent watering on the growth of Bromus inermis Leyss., Dactylis glomerata L., Lolium perenne L. and Phleum pratense L. under a non-…Publication Date 2011
- soil moisture
- drought
- pastures
- grasses
- plant physiology
- Bromus inermis
- Dactylis glomerata
- Drought Stress
- Lolium perenne
- Phleum pratense
- Tottori
- JapanÂ
- Library Collection RecordAbstract Apomixis has been suggested to result from the asynchronous gene expression of duplicated genes governing plant reproduction. The similarity of embryological stages and gene expression…Publication Date 2014
- Asynchrony
- Confocal
- Heterochronous
- apomixis
- plant breeding
- Pseudogamy
- grasses
- Cenchrus ciliaris
- Library Collection RecordSmooth bromegrass (Bromus inermis Leyss.), meadow bromegrass (Bromus riparius Rehm.) and hybrid bromegrass (B. riparius x B. inermis) are widely used for hay and pasture in temperate regions of the…Publication Date 2011
- pastures
- plant production
- management
- plant physiology
- grasses
- Bromegrass
- defoliation
- etiolated regrowth
- remobilization of stored reserves
- Saskatoon
- Canada
- Library Collection RecordForages are important throughout the south-east USA for livestock production and wildlife habitat. However, little is known about how forage species commonly grown in this region influence soil-…Publication Date 2011
- soils
- foragage quality
- ecosystem ecology
- fungi
- water-stable aggregates
- hyphal density
- grasses
- legumes
- south-east USA
- Library Collection RecordMany mechanisms have been suggested to explain the coexistence of woody species and grasses in savannas. However, evidence from field studies and simulation models has been mixed. Patch dynamics is a…Publication Date 2009
- Cyclical succession
- Spatiotemporal scales
- competition
- simulation models
- shrub encroachment
- Mosaic cycles
- Woody Species
- shrubs
- grasses
- savanna
- grasslands
- vegetation dynamics
- ecology
- modelling
- rainfall
- Library Collection Record1. aged and natural ecosystems, herbivory can have a major impact on plant growth. Defoliation and shoot removal reduce the photosynthetic capacity of plants and are also thought to reduce allocation…Publication Date 2010
- fertiliser
- ecosystem ecology
- invertebrates
- arbuscular myccorrhyiza
- clipping
- defoliation
- ectomycorrhiza
- grazing
- insect herbivory
- land use
- meta-analysis
- mowing
- grasses
- Library Collection Record1. We discuss a simple implicit-space model for the competition of trees and grasses in an idealized savanna environment. The model represents patch occupancy dynamics within the habitat and…Publication Date 2010
- modelling
- grasses
- ecosystem ecology
- vegetation dynamics
- demographic structure
- fire
- multiple stable states
- savanna
- stable and unstable species coexistence
- stochastic disturbance
- tree seedlings
- Library Collection RecordDelayed seed germination is considered to be a bet-hedging strategy, but experimental evidence of its adaptive role as an inherited trait is still lacking. In each of two co-occuring annual grass…Publication Date 2012
- Desert annuals
- Reciprocal introduction
- seed dormancy
- seed size
- soil seed bank
- Aridity gradient
- Hordeum spontaneum
- Avena sterilis
- Bet-hedging
- seeds
- grasses
- seed banks
- rainfall
- ecosystem ecology
- Israel
- Library Collection RecordIn productive agricultural grasslands the relative importance of species identity, species richness and functional group composition for production and yield stability is not clear. We, therefore,…Publication Date 2012
- diversity
- forbs
- grasses
- legume
- Species identity
- Library Collection RecordCynodon dactylon is widely distributed in Iran in diverse habitats. In this study, morphological variation of 46 populations of this species was evaluated based on 52 qualitative and quantitative…Publication Date 2012
- Cynodon dactylon
- taxonomy
- grasses
- plant anatomy
- leaf epidermis
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