Rangeland Ecology & Management
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- Library Collection RecordComplementary resource use is regarded as a mechanism that contributes to positive relationships between biodiversity and ecosystem functioning. Here, we used a biodiversity experiment composed of…Publication Date 2008
- Arrhenatherum elatius
- Biodiversity effects
- Complementarity
- Light competition
- The Jena Experiment
- Vertical structure
- species richness
- biodiversity
- ecosystem ecology
- grasses
- grasslands
- Africa
- Library Collection RecordThis paper provides values for nitrogen isotopic abundances of southern African soils and plants along land use gradients of varying aridity. The ?15N values of soils and plants were generally higher…Publication Date 2008
- grasses
- grazing
- mineralization
- nitrification
- savanna
- trees
- soils
- grazing
- Africa
- Library Collection RecordBiodiversity is a critical component of the natural environment and the protection of it often meant the displacement of local communities in developing countries. The Richtersveld National Park (…Publication Date 2007
- rangelands
- conservation
- Population crashes
- Herd recovery
- goats
- biodiversity
- socio-economic aspects
- national parks
- sheep
- pastoralism
- land use
- Africa
- Library Collection RecordLivestock production systems in Africa are experiencing rapid changes in structure and function due to increased demands for livestock products from a more prosperous and ever-increasing human…Publication Date 2008
- Methane
- livestock systems
- Livestock Populations
- climate change
- IPCC
- Africa
- cattle
- sheep
- goats
- greenhouse gases
- Africa
- Library Collection RecordThis study examined intraspecific variation in mineral composition and rumen degradability of Atriplex nummularia plants and the influence on selection preferences of sheep. Individual plants were…Publication Date 2009
- forage quality
- in situ degradability
- intraspecific variation
- salt bush
- sheep
- nutrition
- diet selection
- forage quality
- South Africa
- Library Collection RecordPrimary energy extraction patterns by livestock under agropastoralism and ranching were investigated by the bite count method in semiarid south-eastern Kenya. Sward biomass for optimal energy intake…Publication Date 2009
- agropastoralism
- energy intake
- ranching
- livestock
- cattle
- sheep
- goats
- pastoralism
- diet selection
- grazing
- management
- animal production
- Kenya
- Africa
- Library Collection RecordThe nutritive value of four subtropical grasses (Panicum maximum, Anthephora pubescens, Digitaria eriantha and Chloris gayana) standing hay were compared in terms of qualitative intake and partial…Publication Date 2009
- Anthephora pubescens
- Chloris gayana
- Digitaria eriantha
- nutritive value
- Panicum maximum
- diet selection
- sheep
- forage quality
- animal nutrition
- grazing
- South Africa
- Library Collection RecordBush encroachment has been recognised in southern Africa since the late nineteenth century. Our review of 23 studies showed that the rate of woody cover change has ranged from ?0.131 to 1.275% y?1.…Publication Date 2014
- Bush encroachment
- ecosystem ecology
- grazing
- fire
- rainfall
- grasses
- carbon dioxide
- climate change
- management
- southern Africa
- Library Collection RecordUsing an analysis of aerial photographs from 1942, 1985 and 2004 we assessed the impact of changing land tenure and land-use regimes on the cover of thicket vegetation on the Grahamstown commonage.…Publication Date 2014
- bush encroahcment
- land use
- management
- Aerial Photographs
- goats
- browsing
- livestock
- grazing
- grasses
- shrubs
- degradation
- Grahamstown
- South Africa
- Library Collection RecordFew assessments of the effects of fire and grazing on the herbaceous components of savannas have been reported for Africa. In the Kruger National Park, South Africa, range condition was monitored at…Publication Date 2014
- fire ecology
- grazing
- management
- savanna
- game
- rangeland condition
- rainfall gradient
- grasses
- forage
- ecosystem ecology
- Kruger National Park
- South Africa
- Library Collection RecordA quantitative description of woody plant communities that aimed at aiding studies on grass–tree competition interactions, bush encroachment and estimation of food to browser herbivore species, was…Publication Date 2014
- Bush encroachment
- competition
- grasses
- browse
- fodder production
- plant production
- Africa
- Library Collection RecordThe reliability of a field test kit for the detection and the persistence of Synergistes jonesii bacteria in sheep was investigated in two trials for 12 months. The test kit consisted of a culture…Publication Date 2010
- DHP-degrading bacteria
- dihydroxypyridine
- mimosine
- diagnostic kits
- sheep
- drought
- forage quality
- disease
- South Africa
- Library Collection RecordWe carried out a trial in the Hluhluwe-iMfolozi Park comparing three herbicides and two manual control techniques for controlling the annual weed Parthenium hysterophorus L. The herbicides 2,4-D…Publication Date 2010
- control
- forbs
- grasses
- Herbicide
- impact
- manual weeding
- Alien invasive species
- Weeds
- management
- restoration ecology
- South America
- Library Collection RecordSeed ecology may play a role in the widespread increase of Acacia karroo in savanna and grassland. Accordingly, fecundity, predation, mortality by fire, dispersal by livestock, and seed longevity…Publication Date 2010
- dispersal
- fire
- seed bank
- seed lngevity
- seed predation
- seed production
- ecology
- savanna
- grassland
- livestock
- insects
- germination
- cattle
- sheep
- goats
- management
- Eastern Cape
- South Africa
- Library Collection RecordThe relative benefit of different grazing management practices for maintaining grassland biodiversity integrity was assessed. Practices considered were grazing system, stocking rate, animal type,…Publication Date 2010
- analytic heirarchy process
- plant diversity
- stocking rate
- veld condition assessment
- grazing
- management
- biodiversity
- fire
- cattle
- sheep
- Impact assessment
- South Africa
- Library Collection RecordCommunal rangelands have a wide range of vegetation communities that sustain livestock. Limited information exists on forage availability and quality in communal areas and how it influences Nguni…Publication Date 2010
- biomass
- bite size
- foraging behaviour
- Nguni
- communal farming
- livestock
- sheep
- KwaZulu-Natal
- South Africa
- Library Collection RecordTrait-based community assembly theory suggests that trait variation among co-occurring species is shaped by two main processes: abiotic filtering, important in stressful environments and promoting…Publication Date 2012
- abiotic filtering
- bottom-up control
- community assembly
- competition
- functional diversity
- grasses
- grasshoppers
- herbivores
- savannas
- top-down control
- trait dispersion
- trophic interactions
- South Africa
- Library Collection RecordSummary In a general ecological study of the Simanjiro Plains, northern Tanzania carried out from 1970 to 1972, the vegetation was studied as part of the habitat of large herbivores using this area.…Publication Date 1979
- ecology
- grasslands
- savanna
- sheep
- grazing
- animal impact
- Africa
- Library Collection RecordThe effects of species composition and sward structure on the ingestive behaviour of cattle and sheep grazing a mesic, low quality grassland in South Africa were investigated over the 1990–93…Publication Date 1996
- diet selection
- cattle
- sheep
- grasslands
- grazing
- Africa
- Library Collection RecordThe development of the non-woolled Dorper sheep breed is briefly reviewed. Despite the large number of Dorpers in South Africa, precious little research results have been published on its nutrition…Publication Date 2000
- Breed development
- diet selection
- Voluntary feed intake
- Rumen variables
- reproduction
- production
- animal nutrition
- animal production
- sheep
- Africa
- Library Collection RecordA three-year study was done to determine herbaceous biomass production and its utilization by herbivores in an arid zone inhabited by a largely nomadic population in northern Kenya. The indicator…Publication Date 1998
- grasses
- forbs
- Dwarf Shrubs
- Offtake
- herbivores
- desertification
- nomads
- plant production
- rangelands
- pastoralism
- grazing
- degradation
- decision support systems
- management
- foraging ecology
- Africa
- Library Collection RecordStomatal size and density were measured from graminoid cuticular fragments extracted from dated sediments in two tropical-montane crater lakes on Mount Kenya. The sediments had been dated in other…Publication Date 2002
- stomata
- CO2
- glacial-interglacial transition
- grasses
- Mount Kenya
- East Africa
- Late Quaternary
- palaeobotany
- Africa
- Library Collection RecordWooded rangelands are a vast grazing land resource globally, including shrublands, savannas and forested ranges. They generally provide forage year-round for small ruminants and they are vitally…Publication Date 2005
- diet selection
- Physical and chemical plant defences
- anti-quality
- grazing behaviour
- grazing
- rangelands
- savanna
- goats
- sheep
- foraging ecology
- livestock
- forage quality
- Africa
- Library Collection RecordThe forest and savanna are already denuded of trees, hence this study focused on grasses, weeds and leaves as a possible source of sustainable, highly renewable replacement for wood as an energy…Publication Date 2009
- forest
- trees
- grasses
- Renewable
- wood
- availability
- sustainability
- grasslands
- Economic Aspects
- Nigeria
- Africa
- Library Collection RecordDistinguishing between sheep and goats in C4 grass environments using new dental morphology criteria and enamel bioapatite stable carbon isotope ratios (?13C) was tested on 35 modern individuals from…Publication Date 2005
- Carbon isotope ratio analysis
- Dental morphology
- sheep
- goat
- C4 grassland
- Tooth enamel
- Africa
- Library Collection RecordThe direct short-term impact of three rates of stocking (4, 8 and 16 small-stock units [SSU] ha-1) was quantified in terms of soil characteristics of arid Nama Karoo vegetation (subshrub/grass).…Publication Date 2009
- bulk density
- Infiltration Rate
- Karoo bushes
- soil compaction
- stocking rate
- sheep
- agriculture
- grazing
- soils
- stocking rates
- hydrology
- South Africa
- Library Collection RecordThe effects of elevated atmospheric CO2 concentrations on plant polyphenolic, tannin, nitrogen, phosphorus and total nonstructural carbohydrate concentrations were investigated in leaves of…Publication Date 2005
- elevated CO2
- source-sink balance
- polyphenolics
- tannins
- grasses
- shrubs
- carbon dioxide
- plant autecology
- grasslands
- Phytochemistry
- Africa
- Library Collection RecordTwo long-term mechanistic models of grazing systems in the semi-arid succulent Karoo have been used to study factors that influence vegetation changes, livestock productivity and sustainability of…Publication Date 2005
- Rangeland dynamics
- Semi-arid regions
- Vegetation Change
- Goat production
- goats
- sheep
- rainfall
- rangelands
- vegetation dynamics
- modelling
- diet selection
- Africa
- Library Collection RecordThe communal areas of the semi-arid (200 mm) winter-rainfall Namaqualand region of South Africa are heavily utilised by a large number of subsistence farmers who keep sheep and goats. For several…Publication Date 2005
- Semi-arid rangeland
- Vegetation Change
- Goat production
- desertification
- sheep
- goats
- stocking rates
- management
- pastoralism
- subsistence agriculture
- plant production
- plant community ecology
- animal production
- Africa
- Library Collection RecordThe Knersvlakte in the Succulent Karoo Biome (South Africa) is known for its high plant diversity and endemism. In the course of establishing a conservation area there, we assessed baseline data for…Publication Date 2010
- Aizoaceae
- biodiversity
- herbivory
- Namaqualand
- rangeland management
- Systematic conservation planning
- conservation
- management
- grazing
- sheep
- goats
- South Africa
- Library Collection RecordConcerns about biodiversity preservation through grazing have revived interest in feeding choices made by herbivores. In this article, we study the dynamics of behavioural intake response in…Publication Date 2005
- foraging behaviour
- Bite
- intake rate
- sheep
- Feeding choices
- rangelands
- biodiversity
- forage quality
- 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 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 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
- 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 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 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 RecordOvergrazing and mismanagement of rangelands, climate change, drought and [`]salinisation of lands are threatening the sustainability of production systems and the fertility of cropping lands…Publication Date 2010
- Atriplex nummularia L.
- Fodder potential
- sheep
- goats
- Australia
- West Asia
- North Africa
- 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 investigated the long-term effects on sward composition and animal performance of applying different fertilizer regimes to upland permanent pasture. The experiment, which was carried out…Publication Date 2011
- pasture
- management
- grazing
- animal production
- fertilizer
- Extensification
- sheep
- botanical composition
- nutritive value
- liveweight gain
- Wales
- Great Britain
- Library Collection RecordMutualism between plants and animals demonstrates that grazing has positive impacts on plant growth. Animal saliva plays an important role in plant–herbivore interactions, and various salivary…Publication Date 2014
- grazing
- management
- plant removal
- plant-herbivore interactions
- compensation
- Leymus chinensis
- sheep
- epidermal growth factor
- thiamine
- late-growing season
- China
- 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 RecordPlant secondary compounds (PSC) are increasingly recognized as important in animal health, welfare and nutrition, yet little is known about possible complementarities among forages that contain PSC.…Publication Date 2011
- sheep
- forage quality
- diet selection
- plant secondary compounds
- diverse diets
- plant diversity
- Forages
- Lewiston
- Utah
- USA
- Library Collection RecordThe objective of this study was to evaluate the effect of correcting indigestible neutral detergent fibre (iNDF) for the loss of lignin in predictions of silage organic matter digestibility (OMD).…Publication Date 2014
- silage
- plant nutritive value
- forage quality
- cattle
- sheep
- management
- faecal samples
- grass
- indigestible neutral detergent fibre
- in vivo digestibility
- lignin
- red clover
- Jokioinen
- Finland
- 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 RecordThe objective of this study was to clarify whether the changes in percent cover of plant functional types (i.e., life forms and growth forms) along a grazing gradient reflect the livestock number,…Publication Date 2009
- grazing intensity
- plant functional type
- rangeland ecology
- semi-arid
- grazing
- livestock
- management
- sheep
- grasslands
- plant anatomy
- plant autecology
- vegetation dynamics
- Mongolia
- China