Rangeland Ecology & Management
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- Library Collection RecordThemeda triandra Forssk. is a common perennial grass in southern African grasslands that tolerates low nutrient soils. Establishment of the species into degraded or transformed areas is difficult,…Publication Date 2014
- grasslands
- soil nutrients
- tillers
- restoration ecology
- fertiliser
- nitrogen
- phosphorus
- potassium
- Themeda triandra
- southern Africa
- Library Collection RecordEditorialPublication Date 2014
- modelling
- plant traits
- conservation
- restoration
- management
- 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 RecordSmoke from wildfires has adverse biological and social consequences, and various lines of evidence suggest that smoke from wildfires in the future may be more intense and widespread, demanding that…Publication Date 2014
- modelling
- management
- ecosystem ecology
- climate change
- smoke transport
- feedbacks
- coupled models
- Library Collection RecordBrowsing herbivores are generally highly selective feeders, selecting for new shoots and young plant material. Determinations of browser carrying capacity are then greatly inflated when based on…Publication Date 2014
- savanna
- browsing
- grazing
- game
- wildlife
- conservation
- carrying capacity
- climate
- soil
- rainfall
- modelling
- plant production
- management
- Zululand region
- KwaZulu-Natal
- South Africa
- Library Collection RecordRestoration priorities are typically established without quantitative information on how to overcome the thresholds that preclude successful restoration of desirable ecosystem properties and services…Publication Date 2013
- fire intensity
- fire physics
- fire trap
- grassland
- juniper
- positive feedback
- regime shifts
- resilience
- restoration ecology
- state and transition model
- restoration ecology
- fire ecology
- modelling
- management
- indigenous encroaching species
- grasslands
- United States
- Library Collection RecordMany of the intransigent problems facing the world arise in complex systems. In this paper, I propose that communal rangelands in South Africa be recognised as complex social-ecological systems and…Publication Date 2013
- communal farming
- rangelands
- socio-economic aspects
- Sustainable development
- climate change
- policy
- management
- modelling
- subsistence agriculture
- South Africa
- Library Collection RecordQuestion What is the precision of five methods of measuring vegetation structure using ground-based digital imagery and processing techniques? Location Lincoln, Nebraska, USA Methods Vertical…Publication Date 2013
- Grassland vegetation structure
- Estimating vegetative cover
- Standing crop estimate
- Vertical obstruction
- visual obstruction
- grassland
- DIVA
- Phytosociology
- modelling
- Nebraska
- USA
- Library Collection RecordThe development of models of the relationship between biodiversity and ecosystem function (BEF) has advanced rapidly over the last 20 years, incorporating insights gained through extensive…Publication Date 2013
- modelling
- biodiversity
- ecosystem ecology
- Ecosystem function
- species richness
- species composition
- Library Collection RecordDecision-making for conservation management often involves evaluating risks in the face of environmental uncertainty. Models support decision-making by (1) synthesizing available knowledge in a…Publication Date 2013
- communication
- conservation
- modelling
- structured decision-making
- trust
- uncertainty
- management
- Library Collection RecordGlobal warming is one of the most profound challenges for human beings during the 21st century. The world's leading scientists have identified that warming of the climate system is unequivocal,…Publication Date 2013
- climate change
- greenhouse gases
- global warming
- agriculture
- socio-economic aspects
- carbon dioxide
- Methane
- soils
- land use
- management
- carbon sequestration
- modelling
- monitoring
- Tsukuba
- Japan
- Library Collection RecordQuestions How do fragment-level characteristics affect remnant grassland functioning in a highly transformed landscape? Are artificial neural networks (ANNs) a better statistical tool to model…Publication Date 2013
- Enhanced vegetation index
- fragmentation
- Landscape structure
- MODIS data
- neural networks
- Paspalum quadrifarium
- Tall-tussock grassland
- grassland
- Ecosystem function
- ecosystem ecology
- modelling
- soils
- Tandilia Range
- Southern Pampa
- Buenos Aires Province
- Argentina
- Library Collection RecordQuestions: In species response modelling, can a hierarchical logistic regression framework compete against GAM in terms of statistical inference? Are bimodal shapes useful to model species responses…Publication Date 2013
- ecology
- modelling
- ecosystem analysis
- Bioindication
- environmental gradient
- Hierarchical modelling
- logistic regression
- Realized niche
- Species optimum
- species turnover
- Germany
- Library Collection RecordReserve site selection models can be enhanced by including habitat conditions that populations need for food, shelter, and reproduction. We present a new population protection function that…Publication Date 2013
- Reserve design
- Life history-based protection
- Spatial optimization
- 0-1 Programming
- conservation
- planning
- management
- ecosystem ecology
- modelling
- Lopez Island
- United States
- 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 RecordClimate change impacts on agriculture could arguably be most critical for developing countries in tropical regions: their populations rely importantly on agriculture and climate-dependant resources,…Publication Date 2012
- climate change
- agriculture
- impacts
- tropics
- C4 crops
- plant production
- precipitation
- modelling
- subsistence agriculture
- food security
- Africa
- Library Collection RecordNo abstract is available for this article. N. Jürgens, D. H. Haarmeyer, J. Luther-Mosebach, J. Dengler, M. Finckh & U. Schmiedel ( eds ). Klaus Hess Publishers , Göttingen and Windhoek , 2010…Publication Date 2012
- southern Africa
- Library Collection RecordNo abstract is available for this article. By Ross. A. Bradstock, A. Malcolm Gill and Richard J. Williams, CSIRO Publishing, Collingwood, 2012. xi?+?333 pp. Price A$79.95 (paperback; also available…Publication Date 2012
- southern Africa
- Library Collection RecordT. Hoffman, U. Schmiedel & N. JĂźrgens ( eds ). Klaus Hess Publishers , GÄ‚Å›ttingen and Windhoek , 2010 . ISBN 9783933117422 ( hardback). ISBN 9783933117441 (Volumes 1, 2 and 3,…Publication Date 2012
- southern Africa
- Library Collection RecordThis study aimed to quantify and evaluate the effects of heavy land utilisation, mainly grazing, on plant species richness and diversity, species abundance, vegetation structure and soil…Publication Date 2012
- communal rangeland
- degradation
- grazing
- plant species rivhness
- Termites
- southern Africa
- Library Collection RecordThe relative constancy of the lower limit on Earth’s atmospheric CO2 concentration ([CO2]a) during major tectonic episodes over the final 24 million years (Ma) of the Cenozoic is surprising because…Publication Date 2012
- biological weathering
- Miocene
- modelling
- mycorrhiza
- plant - climate interactions
- Library Collection RecordBioclimatic envelope models use associations between aspects of climate and species' occurrences to estimate the conditions that are suitable to maintain viable populations. Once bioclimatic…Publication Date 2012
- biodiversity
- biogeography
- climate change
- climate envelopes
- conservation planning
- ecological niches
- Invasions
- niche conservation
- restoration ecology
- species distributions
- translocation experiments
- uncertainty in prediction
- modelling
- decision support systems
- Library Collection RecordMost results of restoration efforts are species-specific and/or site-specific and therefore are not general enough to be easily applied to other species and other sites. Our research addresses the…Publication Date 2012
- British Columbia
- Bunchgrass prairies
- grasslands
- modelling
- Oregon
- Pacific Northwest
- predictive models
- prairies
- Washington
- Oregon
- Washington
- USA
- British Columbia
- Canada
- Library Collection RecordFicus thonningii is a multipurpose browse tree in northern Ethiopia. Despite its importance, techniques for quantifying its browsable biomass have not been developed. To develop best-estimation…Publication Date 2012
- allometry
- indigenous fodder trees
- Tigray
- modelling
- plant production
- forage quality
- foraging ecology
- North Africa
- Ethiopia
- Library Collection RecordSavannahs cover more than 40% of Africa and provide a variety of important ecosystem services. Their productivity is constrained by disturbance and limiting resources. In southern Africa, fine-leaf…Publication Date 2012
- fertilization
- grazing
- Kalahari transect
- Namibia
- nitrogen
- phosphorus
- savannah
- southern Africa
- Library Collection RecordNo abstract is available for this article.Publication Date 2012
- Australia
- southern Africa
- Library Collection RecordLong-term ecological studies are critical for providing key insights in ecology, environmental change, natural resource management and biodiversity conservation. In this paper, we briefly discuss…Publication Date 2012
- ecological change
- ecological theory
- long-term ecological study
- modelling
- vulnerability assessment
- Library Collection RecordSoil carbon stocks (SCSs) in an upland area of Tokachi District, Hokkaido, Japan, were estimated by satellite remote sensing and a soil survey. The soil parent materials in the studied area were…Publication Date 2011
- soil carbon
- remote sensing
- modelling
- soils
- Carbon Sink
- Hokkaido
- Japan
- Library Collection RecordQuestions: Does vegetation structure display any stability over the grazing season and in two successive years, and is there any correlation between the stability of these spatial patterns and local…Publication Date 2011
- Boolean process
- cattle
- functional diversity
- patch stability
- Semi-variograms
- Spatially explicit model
- stocking rate
- grazing
- cattle
- grassland
- modelling
- releves
- vegetation dynamics
- management
- Massif Central
- France
- Library Collection Record1. Ecologists debate the importance of neutral versus niche-based explanations for patterns of species coexistence and whether small-scale data can inform ecological understanding of communities,…Publication Date 2011
- community analysis
- ecosystem ecology
- rainfall
- soil nutrients
- modelling
- abiotic gradients
- community assembly theory
- environmental filters
- grass phylogeny
- K-statistic
- plant population and community dynamics
- plant species richness
- species coexistence
- structural equation modelling
- trait dispersion
- Tanzania
- Africa
- Library Collection RecordThe increasing need to manage plant invasions has generated international interest in predicting the dispersal of invasive weeds, including the role of humans due to the influence of anthropogenic…Publication Date 2011
- Human dispersal
- invasive weed
- Tradescantia fluminensis
- Alien invasive species
- disturbance
- modelling
- New Zealand
- 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 RecordQuestion: Can we predict the spatial distribution of plant communities in semi-arid rangelands based on a limited set of environmental variables? Where are priority areas for conservation located?…Publication Date 2011
- CT-model
- Decision tree classifier
- grazing intensity
- Juniperus excelsa woodlands
- rangelands
- ecosystem ecology
- mapping
- conservation ecology
- grazing
- modelling
- agriculture
- Al Jabal al Akhdar
- Arabia
- Library Collection RecordDecision support tools to help dairy farmers gain confidence in grazing management need to be able to predict performance of grazing animals with easy-to-obtain variables on farm. This paper, the…Publication Date 2011
- GrazeIn
- management
- animal production
- grazing
- dairy cow
- intake
- modelling
- sward availability
- time at pasture
- roational grazing
- Library Collection RecordGrasses (Poaceae) are the largest family of vascular plants in Burkina Faso with 254 species. In the savannahs they are the most important family in terms of abundance and species richness, in other…Publication Date 2011
- ecological niche models
- macroecology
- plant functional traits
- Poaceae
- Sahel
- savannah
- phytogeography
- modelling
- grasslands
- ecosystem ecology
- C4 grasses
- Africa
- Library Collection RecordThe objectives of this study were to use the in vitro gas production (IVGP) technique to evaluate the pattern and parameters of anaerobic fermentation of forages from south Texas pastures throughout…Publication Date 2011
- forage quality
- grazing
- cattle
- in vitro
- modelling
- nutrition
- prediction
- simulation
- Texas
- USA
- Library Collection Record1. Attempts to infer underlying ecological process from observed patterns in ecology have been widespread, but have generally relied on first-order (non-spatial) community characteristics such as the…Publication Date 2011
- ecosystem ecology
- species abundance
- modelling
- coexistence mechanisms
- determinants of plant community diversity and structure
- heteromyopia
- Janzen-Connell
- lottery
- Neutral
- niche
- pair correlation function
- spatial point pattern
- species abundance distribution
- Library Collection RecordThe second edition of the United Nations Global Assessment Report on Disaster Risk Reduction is a resource for understanding and analysing global disaster risk today and in the future (Ban Ki-moon,…Publication Date 2011
- drought
- southern Africa
- Library Collection RecordFour major climato-environmental phases have been identified in the Eastern Cape, Plettenberg Bay-Knysna region and Little Karoo between somewhat before ?40 000 cal. a BP and the present: the Birnam…Publication Date 2011
- palaeoclimate
- southern Africa
- Late Quaternary
- Last Glacial Maximum
- Late Glacial
- Holocene
- South Africa
- Library Collection RecordGrazeIn is a model for predicting herbage intake and milk production of grazing dairy cows. The objectives of this paper are to test its robustness according to a planned arrangement of grazing and…Publication Date 2011
- animal production
- forage
- management
- grazing
- dairy cow
- herbage intake
- milk production
- modelling
- simulation
- Validation
- Europe
- Library Collection RecordThe impact of grazing widely differs among plant communities. A generalized model published in 1988 proposed that this variation could be accounted for by the interaction between primary productivity…Publication Date 2011
- community assembly
- disturbance
- evolutionary history
- primary productivity
- successiongrazing
- management
- plant production
- seeds
- modelling
- Library Collection Record1. Spatially explicit understanding of the delivery of multiple ecosystem services (ES) from global to local scales is currently limited. New studies analysing the simultaneous provision of multiple…Publication Date 2011
- of plant community diversity and structure
- ecosystem services
- functional trade-offs
- landscape modelling
- mountain grassland management
- plant functional traits
- management
- grassland
- modelling
- ecosystem services
- policy
- land use
- grassland
- ecosystem ecology
- biodiversity
- plant functional traits
- Central French Alps
- Europe
- Library Collection Record1.?Matrix population models capture how variation in vital rates among life stages translates to population dynamics. Analyses of these models generally assume that populations have reached a stable…Publication Date 2011
- modelling
- conservation
- community dynamics
- ecosyetem ecology
- matrix model
- plant demography
- plant population and community dynamics
- population growth rate
- population projection
- projection distance
- stable stage distribution
- transient dynamics
- Library Collection RecordThis study reports on a simulation growth model developed to predict daily gain (DG) of dairy cattle heifers. The model input parameters are gross energy (GE), ash, crude protein (CP), organic matter…Publication Date 2011
- elephant grass
- Daily Gain
- Supplement
- desmodium
- lablab
- Dairy cattle
- diet selection
- modelling
- Uganda
- Africa
- Library Collection RecordLegume content in grass -legume mixtures is a key parameter for deciding the forage quality and the amount of fertilizer application to the pasture due to nitrogen (N) fixation. To estimate legume…Publication Date 2011
- pastures
- plant production
- forage quality
- legumes
- fertiliser
- legumes
- modelling
- image processing
- Bootstrap procedure
- fertilizer application
- hyperspectral remote sensing
- pasture quality
- white clover
- Hokkaido
- Japan
- Library Collection RecordObjective: To contribute to the integration of key ecological concepts such as dynamic equilibrium, critical threshold, resistance and resilience to the "State and Transition Model " (STM…Publication Date 2011
- Dynamic equilibrium
- rangeland ecology
- resilience
- resistance
- thresholds
- ecosystem ecology
- modelling
- Ecosystem function
- state-and-transition model
- rangelands
- management
- Library Collection Record1. Climate extremes are expected to increase in frequency and magnitude as a consequence of global warming. 2.Managed permanent grasslands cover a large surface in Europe and contribute substantially…Publication Date 2011
- agriculture
- drought
- modelling
- adaptation
- climate change
- plant production
- Ecosystem function
- climatic events
- extreme weather
- grassland
- meadows
- phenotypes
- plant-climate interactions
- provenances
- within-species variability
- Europe
- Library Collection RecordEnvironmental Law provides a comprehensive and succinct examination of the entire environmental law landscape in South Africa. The second edition includes a new chapter on climate change, and also…Publication Date 2011
- legislation
- climate change
- Environmental impact assessment
- southern Africa
- Library Collection RecordWe developed a method for predicting the total cadmium (Cd) concentration [CdT] in soil solution. Disregarding minor ion pairs, [CdT] was approximated by . We assumed that Cd2+ activity (Cd2+) is…Publication Date 2011
- cadmium
- soils
- toxicity
- pollution
- modelling
- Library Collection RecordNo abstract available.Publication Date 2011
- southern Africa