Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 101 - 150 of 2908 results
- Library Collection RecordPublication Date 2012
- landscape
- Coleoptera
- Nature conservation
- biodiversity
- soil management
- pastures
- Coleoptera
- Coleoptera
- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordAn important consideration in designing and managing forage systems is the knowledge of the physiological response mechanisms to cutting, especially when water deficit conditions are prevailing. The…Publication Date 2012
- Africa
- Library Collection RecordWhilst there are a number of mapping methods available for determining important areas for conservation within protected areas, there are few tools available for assessing the ecological value of…Publication Date 2012
- Biodiversity valuation
- connectivity
- Ecological footprint
- fragmentation
- threatened species
- resilience
- Algeria
- Africa
- Library Collection RecordThe growth of human populations around protected areas accelerates land conversion and isolation, negatively impacting biodiversity and ecosystem function, and can be exacerbated by immigration. It…Publication Date 2012
- Land-cover change
- protected areas
- immigration
- Landsat
- isolation
- Serengeti
- Africa
- Library Collection RecordPerennial herbaceous plants are a key element of the vegetation cover in arid lands, during a long period of the year, but their persistence depends on their ability to cope with acute drought. This…Publication Date 2012
- adaptation
- experimental water stress
- phenotypic response
- Poaceae
- variability
- Tunisia
- Africa
- Library Collection RecordFriday, 20 April 2012: Scientists say the notoriously dry continent of Africa is sitting on a vast reservoir of groundwater. They argue that the total volume of water in aquifers underground is 100…Publication Date 2012
- mapping
- groundwater
- aquifers
- sustanability
- environmental factors
- Africa
- Library Collection RecordExecutive Summary: The training workshop for media practitioners on Climate Change Fact, Communication and Adaptation Strategies was organised by Global Unification, The Gambia (GU), a youth-led…Publication Date 2012
- climate change
- socio-economic aspects
- policies
- community based resource management
- The Gambia
- Africa
- Library Collection RecordWarmer temperatures can alter the phenology and distribution of individual species. However, differences across species may blur community-level phenological responses to climate or cause biotic…Publication Date 2012
- altitudinal gradient
- beta diversity
- biodiversity
- biotic homogenization
- biotic invasion
- climate change
- community structure
- Hope River Valley
- interactive drivers
- Lepidoptera
- nitrogen
- phenology
- Alien invasive species
- North Canterbury
- New Zealand
- Library Collection RecordIn 2010, we launched the Global Index of Vegetation-Plot Databases (GIVD; http://www.givd.info), an internet-based re-source offering metadata of existing electronic vegetation databases. On 11 May…Publication Date 2012
- biodiversity
- data sharing
- ecoinformatics
- metadata
- Phytosociology
- relevé
- Library Collection RecordHuman-induced increases in nitrogen (N) deposition are common across many terrestrial ecosystems worldwide. Greater N availability not only reduces biological diversity, but also affects the…Publication Date 2012
- biodiversity
- C3 grasses
- C4 grasses
- ecosystem functioning
- ecosystem services
- fire
- nitrogen deposition
- root mass
- soil carbon sequestration
- Cedar Creek Ecosystem Science Reserve
- Minnesota
- USA
- Library Collection RecordHealthy ecosystems include many species (high richness) with similar abundances (high evenness). Thus, both aspects of biodiversity are worthy of conservation. Simultaneously conserving richness and…Publication Date 2012
- abundance
- agriculture
- biodiversity
- conservation
- ecosystem management
- evenness
- fire
- metadata
- organic farming
- species richness
- 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 RecordWoody encroachment is a widespread and acute phenomenon affecting grasslands and savannas worldwide. We performed a meta-analysis of 29 studies from 13 different grassland/savanna communities in…Publication Date 2012
- biodiversity
- Bush encroachment
- ecosystem structure
- global change
- primary productivity
- productivity–richness relationship
- shrub encroachment
- species richness
- tree encroachment
- tree–grass coexistence
- woody release
- North America
- Library Collection RecordThe effects of exotic species invasions on biodiversity vary with spatial scale, and documentation of local-scale changes in biodiversity following invasion is generally lacking. Coupling long-term…Publication Date 2012
- grasslands
- community assembly
- competition
- exotic species
- invasion
- livestock grazing
- propagule limitation
- recruitment limitation
- Alien invasive species
- biodiversity
- community ecology
- vegetation dynamics
- monitoring
- California
- USA
- Library Collection RecordThere is much concern that the functioning of ecosystems will be affected by human-induced changes in biodiversity, of which land-use change is the most important driver. However, changes in…Publication Date 2012
- biodiversity
- carbon sequestration
- ecosystem services
- functional diversity
- grasslands
- grazing intensity
- litter decomposition
- long-term experiment
- primary production
- resource availability
- structural equation modeling
- Mackenzie Basin
- South Island
- New Zealand
- Library Collection RecordQuestions The co-existence of high numbers of species has always fascinated ecologists, but what and where are the communities with the world records for plant species richness? The species–area…Publication Date 2012
- biodiversity
- Canonical hypothesis
- macroecology
- Oligo- to mesotrophic grassland
- Paradox of the Plankton
- Power function
- Rooted presence
- Scale dependence
- Shoot presence
- Spatial grain
- Spatial scale
- Species-area relation
- Tropical rain forest
- World flora
- Library Collection RecordQuestion In many industrialized countries biodiversity is declining. Although changes in species composition and species richness have been documented for many individual systems, little long-term…Publication Date 2012
- Agricultural intensification
- Agri-environment schemes (AES)
- Floristic value
- Nature reserves
- Nutrient richness
- species richness
- biodiversity
- grasslands
- agriculture
- conservation
- management
- Netherlands
- Library Collection RecordQuestions What are the differences in speed and pathway of vegetation development on nutrient-poor, unvegetated slopes sown with low-diversity seed mixtures of cultivars and high-diversity seed…Publication Date 2012
- biodiversity
- ecosystem services
- Grass cultivars
- Local provenance
- marginal land
- mining
- mulching
- productivity
- Species introduction
- Germany
- Library Collection RecordDespite chronic underfunding for conservation and the recognition that funds must be invested wisely, few studies have analysed the direct costs of managing protected areas at the spatial scales…Publication Date 2012
- protected areas
- Management costs
- population pressure
- conservation planning
- Tanzania
- Africa
- Library Collection RecordI pose eight questions central to understanding how biological invasions affect ecosystems, assess progress towards answering those questions and suggest ways in which progress might be made. The…Publication Date 2012
- Alien species
- biodiversity
- ecological engineering
- Ecosystem function
- ecosystem management
- exotic species
- invasive species
- long-term studies
- non-native species
- Traits
- Library Collection RecordMany studies in recent years have investigated the effects of climate change on the future of biodiversity. In this review, we first examine the different possible effects of climate change that can…Publication Date 2012
- biodiversity
- climate change
- species extinctions
- Library Collection RecordEffective biodiversity monitoring is critical to evaluate, learn from, and ultimately improve conservation practice. Well conceived, designed and implemented monitoring of biodiversity should: (i)…Publication Date 2012
- Conservation effectiveness
- management intervention
- monitoring
- biodiversity
- National Biodiversity Strategy
- management
- conservation
- policies
- Library Collection RecordRecent declines in biodiversity have given new urgency to questions about the relationship between land-use change, biodiversity and ecosystem processes. Despite the existence of a large body of…Publication Date 2012
- biodiversity
- determinants of plant community diversity and structure
- ecosystem functioning
- functional plant group
- land use
- productivity
- species richness
- structural equation modelling
- Germany
- Library Collection Record1.?Calcareous grasslands are communities of high conservation value, often characterized by high plant species richness. These grasslands have experienced a major decline in area throughout Europe,…Publication Date 2012
- biodiversity
- conservation
- determinants of plant community diversity and structure
- Environmental change
- extinction
- floristic tracking
- taxonomic homogenization
- Europe
- Library Collection Record1.?Recent studies have suggested that the simultaneous maintenance of multiple ecosystem functions (multifunctionality) is positively supported by species richness. However, little is known regarding…Publication Date 2012
- biodiversity
- biological soil crusts
- community attributes
- ecosystem functioning
- lichens
- nutrient cycling
- plant–soil (below-ground) interactions
- spatial pattern
- species evenness
- Spain
- Library Collection Record1. Despite recent interest in linkages between above- and below-ground communities and their consequences for ecosystem processes, much remains unknown about their responses to long-term ecosystem…Publication Date 2012
- above-ground
- below-ground
- biodiversity
- carbon sequestration
- Chronosequence
- island ecology
- natural experiment
- plant–soil (below-ground) interactions
- retrogression
- succession
- Sweden
- Library Collection Record1.?Although a major part of plant biomass is underground, we know little about the contribution of different species to root biomass in multispecies communities. We summarize studies on root…Publication Date 2012
- biodiversity
- ecosystem functioning
- intransitive competition
- niche differentiation
- plant–soil (below-ground) interactions
- root distributions
- root ecology
- soil nutrient availability
- transgressive overyielding
- Library Collection RecordThis study of the plant landscape of a sub-coastal hilly area in southern Marche, Italy, has allowed the proposal of two main models that are highly correlated with the geomorphological and…Publication Date 2012
- bioclimate
- biodiversity
- central Adriatic
- Geomorphology
- geosynphytosociology
- synphytosociology
- Marche
- Italy
- Library Collection RecordClimates are changing worldwide at rates not seen previously in geological time. This affects food production itself and the growth and reproduction of plant pathogens which reduce crop yield and…Publication Date 2012
- biodiversity
- climate change
- crop loss
- disease
- food security
- plant pathogens
- population
- resource supply
- sustainability
- Library Collection RecordIn the last few decades unimproved semi-natural grasslands have been affected by intensification of land use and habitat fragmentation. Because of their biodiversity these species-rich grasslands are…Publication Date 2012
- Rhinanthus minor
- population genetics
- Hemiparasite
- Habitat restoration
- grasslands
- land use
- biodiversity
- conservation
- seeds
- restoration ecology
- Europe
- 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 RecordPopulation viability and productivity of grasses in southern African savannas are dependent upon both successful seed production and tiller recruitment from the belowground bud bank. Relative…Publication Date 2012
- Bud bank
- meristem
- Poaceae
- Reproductive allocation
- Vegetative Reproduction
- Africa
- Library Collection RecordAchieving economically optimum livestock production on rangelands can conflict with conservation strategies that require lower stocking rate to maintain wildlife habitat. Combining the spatial and…Publication Date 2011-11-01
- biodiversity
- conservation grazing
- fire
- heterogeneity
- patch burn
- vegetation structure
- Library Collection RecordLandspraying while drilling (LWD) is an approved disposal method for water-based drilling mud (WBM) systems in western Canada. The mud is applied either on cultivated land, where it is incorporated…Publication Date 2011-07-01
- biodiversity
- energy exploitation
- hydrocarbon extraction
- native rangelands
- oil and natural gas
- Library Collection RecordRodent-mediated dispersal of Acacia seeds in Kalahari savannah rangelands – implications for bush encroachmentPublication Date 2011
- rodents
- Acacia
- seeds
- savannah
- rangelands
- Bush encroachment
- ecosystem ecology
- Africa
- Library Collection RecordThe presence of grazers on grazing lawns in East Africa and North America often alters nitrogen cycling and availability. Grazing lawns can be defined as areas where grasses are kept in a short,…Publication Date 2011
- African savannah
- Grazers
- grazing lawns
- national park
- nitrogen
- soils
- management
- Africa
- Library Collection RecordMopane savannah is one of the predominant dry vegetations of southern Africa. Despite the extensive number of previous studies, there are few quantitative descriptions of the vegetation types where…Publication Date 2011
- Colophospermum mopane
- Combretaceae
- savannah
- Zambezi Valley
- species richness
- biodiversity
- Zimbabwe
- Africa
- Library Collection RecordPrevious studies suggest that forest regeneration in grasslands is often slow because of grass competition and fire and that regeneration may be dependent on fire-resistant savannah trees. To examine…Publication Date 2011
- forest regeneration
- grasslands
- savannah trees
- species diversity
- woody plants
- competition
- fire ecology
- restoration ecology
- Kibale National Park
- Uganda
- Africa
- Library Collection RecordThis study deals with the phenotypic polymorphism of twenty accessions of Cenchrus ciliaris L. (buffelgrass) collected in various climatic areas of Tunisia. Six seedlings per accession were…Publication Date 2011
- arid zones
- Cenchrus ciliaris
- morphometry
- multivariate analysis
- phenotype
- grasslands
- Tunisia
- Africa
- 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 Record1. Invasive alien plant species pose a severe threat to native plant communities world-wide, especially on islands. While many studies focus on the direct impact of alien plants on native systems,…Publication Date 2011
- Alien invasive species
- ecosystem ecology
- indirect interactions
- inselbergs
- interaction connectance
- invasion ecology
- Invasive alien species
- plant communities
- pollination webs
- Seychelles Islands
- Indian Ocean
- Africa
- Library Collection Record1. We introduce a novel method that analyses environmental filtering of plant species in a geographic and phylogenetic context. By connecting species traits with phylogeny, traits with environment,…Publication Date 2011
- coastal marsh plain
- community ecology
- determinants of plant community diversity and structure
- functional traits
- phylogenetic clustering
- phylogenetic signal
- RLQ analysis
- spatial analysis
- species assemblage
- statistical graphics
- ecosystem ecology
- Algeria
- Africa
- 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 Record1. Ecological edges (zones separating ecosystems or land cover types) can function as active boundaries, unique habitats and dynamic transition zones. Abiotic factors, species and species…Publication Date 2011
- savanna
- ecosystem structure
- Ecosystem function
- edge effects
- grazing
- cattle
- Acacia drepanolobium
- boma
- continuous response function
- Crematogaster
- edge depth
- habitat fragmentation
- multiple edges
- Tetraponera penzigi
- Laikipia
- Kenya
- Africa
- Library Collection Record2009, CRC Press, Boca Raton, FL 33487-2742, USA 323 pp, hardcover ISBN 978?1-4200?4739-4. Price US\$144.95Publication Date 2011
- Africa
- Library Collection Record2010, Wiley-Blackwell, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK 211 pages, hardcover and softcover ISBN 978?0-470?66101-7 (hardcover), 978?0-470?66102-4 (softcover). Price …Publication Date 2011
- Africa
- Library Collection Record2009, CSIRO Publishing, PO Box 1139, Collingwood, Victoria 3066, Australia 416 pp, softcover ISBN 978?0-6430?9402-4. Price AU\$99.95Publication Date 2011
- Africa
- Library Collection Record2010, Klaus Hess Publishers, Sudetenland-Str. 18, 37085 Göttingen, Germany; and PO Box 90624, Windhoek, Namibia Hardcover, 3 volumes, XLIV + 1375 pp + CD-ROM ISBN 9789991657301 (Namibia and South…Publication Date 2011
- Africa