Rangeland Ecology & Management
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- 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 RecordThe Penman-Monteith equation is useful for computing evaporation rates of uniform surfaces, such as dense vegetation or bare soil. This equation becomes less useful for evaluation of evaporation…Publication Date 1996
- remote sensing
- Soil Condition
- evaporation
- grasslands
- ecosystem dynamics
- Africa
- Library Collection RecordIt is important to know how the increasing atmospheric concentration of carbon dioxide (CO2) will affect growth of agricultural plants. The objective of this study was to determine the effect of…Publication Date 1992
- climate change
- carbon dioxide
- grasslands
- plant autecology
- plant production
- agriculture
- Africa
- Library Collection RecordSpatio-temporal variation in dung beetle distribution and cattle dung dispersal was quantified across a spectrum of summer rainfall habitat types in South Africa, i.e. grassland, open woodland and…Publication Date 1996
- Australia
- dung
- Pasture Improvement
- Scarabaeidae
- South Africa
- dung beetles
- ecosytem ecology
- soils
- rangeland condition
- rainfall
- grasslands
- Africa
- Library Collection RecordGrassland burning elicits a diverse array of responses by arthropods, depending upon many interactive factors. Empirical models were developed, based on the literature, to qualitatively order…Publication Date 1987
- grasslands
- fire ecology
- insects
- modelling
- ecosystem ecology
- Africa
- Library Collection RecordThe Karoo Sequence spans an age ranging from Carboniferous to Jurassic and occurs in intra-cratonic and graben-rift basins throughout southern Africa. All of the subcontinent 039;s bituminous,…Publication Date 1990
- plant anatomy
- palaeoecology
- grasslands
- palaeobotany
- 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 RecordSpatial dependence is a fundamental structure of spatial data that can be readily measured. Change in landscapes can be monitored effectively using measures of spatial dependence. Scale of…Publication Date 1993
- grasslands
- grazing
- modelling
- Landsat images
- remote sensing
- Africa
- Library Collection RecordThe spectral behavior of an arid, Lehmann lovegrass (Eragrostis lehmanniana), range canopy with varying quantities of live, green grass, senesced, yellow grass, weathered, gray litter, and different…Publication Date 1987
- grasslands
- remote sensing
- plant production
- soils
- rangeland condition
- NDVI values
- Africa
- Library Collection RecordThis paper presents results of a deforestation experiment carried out with the general circulation model of the Laboratoire de Météorologie Dynamique coupled to the Schématisation des Echanges…Publication Date 1994
- modelling
- land use
- environmental factors
- soils
- soil moisture
- grasslands
- Africa
- Library Collection RecordFour deterministic rainfall-runoff models are briefly described and applied to a small (0.18 km2) grassland catchment in the Eastern Cape Province of South Africa. The models vary in complexity, from…Publication Date 1994
- rainfall
- runoff
- soil erosion
- grasslands
- modelling
- Africa
- Library Collection RecordThe advantages of incorporating variable length time steps into deterministic hydrological models are discussed and a method based on the use of rainfall thresholds to determine appropriate length…Publication Date 1993
- hydrology
- rainfall
- modelling
- grasslands
- 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 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 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 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 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 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 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 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 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 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 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 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 RecordAfter-ripening of Cenchrus ciliaris L. spikelets was modelled during storage at various temperatures and equilibrium relative humidities (e.r.h.). At 40 and 50% e.r.h., the rate of after-ripening…Publication Date 2001
- after-ripening model
- buffel grass
- Cenchrus ciliaris seed dormancy
- seed germination
- rangeland re-seeding
- seeds
- germination
- grasslands
- restoration ecology
- reseeding
- degradation
- rangelands
- Africa
- Library Collection RecordDrought is the single most important environmental factor that causes cattle population fluctuations in northern Kenya. The way the grazing lands and animal populations are affected by drought…Publication Date 2001
- arid zone
- cattle mortality
- drought management policy
- herd growth
- Kenya
- multiple droughts
- Obbu Booran
- Pastoralist
- recovery
- drought
- cattle
- grasslands
- animal production
- Africa
- Library Collection RecordA cutting experiment was carried out in Bah??a Blanca (Argentina) during 1998 and 1999 using a randomized block design in a 23factorial experiment: (1) the species Digitaria eriantha and Eragrostis…Publication Date 2001
- Digitaria
- Eragrostis
- yield
- quality
- Deferred
- grasslands
- forage quality
- fertilisation
- fodder production
- dry matter
- Africa
- Library Collection RecordExperiments were conducted to investigate: (1) tiller recruitment within the interior of Eragrostis curvula tussocks, with and without litter removal; and (2) effects of moderate defoliation on…Publication Date 2000
- tiller demography
- tiller mortality
- central dieback
- clipping
- bunchgrass
- Semi-arid rangeland
- warm-season grass
- rangelands
- plant autecology
- grasslands
- 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 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 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 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 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 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 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 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 RecordAnts are a prominent invertebrate group used to assess ecological change in response to disturbance. Their application as a bioindicator group has been particularly widespread in Australia, and a…Publication Date 2010
- Ants
- grazing
- Bioindicator
- land management
- Global patterns
- insects
- grasslands
- rangeland condition
- disturbance
- management
- Australia
- Library Collection RecordThe desertification tendency of the Qubqi Desert in China for 10 years was investigated using vegetation and soil change indices extracted from seven LANDSAT TM images. To identify the…Publication Date 2011
- desertification
- grasslands
- monitoring
- LANDSAT vegetation index
- land use
- Qubqi Desert
- China
- Library Collection RecordOn rangelands, uneven or unmanaged livestock distribution can adversely affect plant community composition, riparian function, or displace wildlife. These issues have historic precedents and are…Publication Date 2009
- range management
- grazing behaviour
- forage selection
- standing crop
- management
- grasslands
- plant production
- forage quality
- cattle
- grazing
- Burns
- Oregon
- USA
- Library Collection RecordVariation in functional community composition is expected to influence the extent of exotic species invasions. Yet, whether resident functional groups control invasion through their relative biomass…Publication Date 2013
- biodiversity
- biotic resistance
- invasion ecology
- mass ratio hypothesis
- phenological niches
- rank abundance
- removal experiment
- subadditive effect
- grasslands
- Alien invasive species
- ecosystem ecology
- vegetation dynamics
- management
- Flooding Pampa grassland
- Argentina
- Library Collection RecordDioecious plants frequently face sex-related resource allocation trade-offs. Differential traits of male and female plants can have important consequences that influence their direct and indirect…Publication Date 2013
- arid ecosystems
- dioecy
- life-history traits
- O-ring statistics
- plant-herbivore interactions
- plant-plant interactions
- sex ratio
- Sexual dimorphism
- spatial pattern
- trade-offs
- grasslands
- grazing
- management
- ecosystem ecology
- Patagonian steppe
- south-western Chubut
- Argentina
- Library Collection RecordChilean needle grass [Nassella neesiana (Trin. & Rupr.) Barkworth; CNG] is a perennial spear grass that has invaded pastures in south-eastern Australia and can lead to a substantial reduction of…Publication Date 2014
- management
- grazing
- sheep
- grazing management
- pasture management
- sheep
- Weeds
- Alien invasive species
- grasslands
- animal production
- Herbicide
- soils
- seeds
- Austrailia
- Library Collection RecordSeveral studies have demonstrated that seed mass is related to different environmental factors. However, they have taken no account of the joint effects of spatial and phylogenetic information. We…Publication Date 2013
- Elevational gradient
- Phylogenetic autocorrelation
- soil pH
- soil fertility
- spatial autocorrelation
- temperature
- seeds
- grasslands
- climate
- soils
- modelling
- land use
- southern Alps
- Library Collection Record1. Successful poleward shifts of plant species ranges as a result of climate change will depend on interactions between migrating species and the communities they invade. Although poleward migration…Publication Date 2011
- climate change
- grasslands
- seeds
- germination
- ecosystem ecology
- Brachypodium pinnatum
- Bromus erectus
- invader phenology
- invasion resistance
- plant-climate interactions
- resource availability
- seed provenance
- soil heterogeneity
- summer drought
- winter warming
- northern England
- Library Collection Record1. Annual above-ground net primary productivity (ANPP) in mesic grasslands is known to be highly temporally variable. While yearly precipitation or average yearly temperature can explain some of this…Publication Date 2011
- grasslands
- rainfall
- temperature
- plant production
- C4 grasses
- ecosystem ecology
- climate variability
- dominant species
- inflorescence
- intra-annual variation
- plant-climate interactions
- precipitation
- structural equation modelling
- tallgrass prairie
- temperature
- Kansas
- USA
- Library Collection Record1. Arbuscular mycorrhizal (AM) fungi and ammonia oxidizers (AO) represent key soil microbial groups regulating nitrogen (N) cycling in terrestrial ecosystems. Both utilize soil ammonium-N reserves…Publication Date 2011
- grasslands
- ecosystem ecology
- soil nitrogen
- microbes
- allelopathy
- ammonia-oxidizing community activity
- mycorrhizae
- nitrification potential
- Nitrogen cycle
- plant species mycorrhizal investment
- plant-soil (below-ground) interactions
- soil ecology
- Europe
- Library Collection RecordOn the main Japanese island of Honshu, bark or sawdust is often added to cattle excreta as part of the composting process. Dairy farmers sometimes need to dispose of manure that is excess to their…Publication Date 2011
- grasslands
- Compost
- Methane
- nitrous oxide
- greenhouse gases
- climate change
- global warming
- soils
- ANOVA
- modelling
- Honshu
- Japan
- Library Collection RecordAbstract Several multi-year biodiversity experiments have shown positive species richness-productivity relationships which strengthen over time, but the mechanisms which control productivity are not…Publication Date 2013
- biomass production
- Community mean traits
- environmental filtering
- functional diversity
- niche differentiation
- Species identity
- biodiversity
- grasslands
- community analysis
- vegetation dynamics
- species richness
- plant production
- ecosystem ecology
- Thuringia
- Germany
- Library Collection Record1. While positive effects of biodiversity on temporal stability of communities have been demonstrated in theoretical and empirical studies, diversity -stability relationships at the population level…Publication Date 2011
- grasslands
- biodiversity
- ecosystem ecology
- covariance
- plant population and community dynamics
- population stability
- synchrony
- temporal stability
- species richness
- plant production
- Thuringia
- Germany
- Library Collection RecordMany regions of the globe are experiencing a simultaneous change in the dominant plant functional type and regional climatology. We explored how atmospheric temperature and precipitation control leaf…Publication Date 2013
- eddy covariance
- landscape position
- mesquite (Prosopis velutina)
- photosynthesis
- plant-climate interactions
- semi-arid
- temperature optima
- Vegetation Change
- woody plant encroachment
- indigenous encroaching species
- climate change
- temperature
- ecosystem ecology
- carbon flux
- rainfall
- grasslands
- savanna
- carbon dioxide
- San Pedro River
- Arizona
- USA