Rangeland Ecology & Management
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- Library Collection RecordPublication Date 2012
- agriculture
- grazing
- breeding
- varieties
- selection
- Experimentation
- agriculture
- selection
- Experimentation
- Library Collection RecordPublication Date 2012
- agriculture
- grazing
- breeding
- varieties
- selection
- Experimentation
- agriculture
- selection
- Experimentation
- Library Collection RecordPublication Date 2012
- Nature conservation
- Development policies
- endangered species
- Environmental impact assessment
- Africa
- trade
- land management
- savannas
- wildlife management
- hunting
- Library Collection RecordProceedings of the 21th International Scientific Symposium on Nutrition of Farm Animals 'Zadravec-Erjavec Days', Ceh, T.; Kapun S..- Murska Sobota (Slovenia): Kmetijsko gozdarska zbornica…Publication Date 2012
- dairy cows
- milk yield
- proximate composition
- pastures
- grazing
- animal feeding
- animal nutrition
- nutritive value
- Library Collection RecordProceedings of the 21th International Scientific Symposium on Nutrition of Farm Animals 'Zadravec-Erjavec Days', Ceh, T.; Kapun S..- Murska Sobota (Slovenia): Kmetijsko gozdarska zbornica…Publication Date 2012
- dairy cows
- pastures
- grazing
- animal feeding
- animal nutrition
- nutritive value
- milk yield
- Library Collection RecordPublication Date 2012
- pastures
- grazing
- biomass
- Library Collection RecordCalcareous grasslands are among the most diverse habitats, supporting species-rich vegetation. Propagule limitation and availability of microsites for germination represent major constraints to the…Publication Date 2012
- seed addition
- grazing
- Bromus erectus
- permanent plot
- BACI design
- long-term monitoring
- Monte Labbro
- Tuscany
- Library Collection RecordThe outcome of plant-plant interactions depends on environmental (e.g. grazing and climatic conditions) and species-specific attributes (e.g. life strategy and dispersal mode of the species involved…Publication Date 2012
- competition
- diversity
- facilitation
- Open woodland
- Stress-gradient hypothesis
- species richness
- drylands
- grazing
- rainfall
- Species Specificity
- community analysis
- vegetation dynamics
- Australia
- Library Collection RecordThe purpose of this study was to investigate the response of ?15N in herbage and cattle tail switch hair to long-term grazing pressure on a rough fescue grassland (Festuca campestris Rydb.) near…Publication Date 2012
- ADF
- grassland
- grazing
- NDF
- nitrogen
- Stable isotope
- Stavely
- Alberta
- Canada
- Library Collection RecordThere is increased global interest in the environmental impacts of farming, including the need to prevent the contamination of soil, water and air with excessive amounts of nitrogen (N) and…Publication Date 2012
- faeces
- urine
- nitrogen
- phosphorus
- grazing
- England
- Library Collection RecordThe Grange Feed Costing Model was modified to simulate the economic implications of grassland management strategies for a grass-based suckler beef calf-to-weanling system at the whole-farm level. The…Publication Date 2012
- grazing
- conservation
- grassland
- suckler cow
- feed cost
- simulation model
- Library Collection RecordThis study compared the profitabilities of systems of dairy production based on N-fertilized grass (FN) and grass-white clover (WC) grassland and assessed sensitivity to changing fertilizer N and…Publication Date 2012
- pasture
- Economic Aspects
- grazing
- management
- white clover
- fertilizer N
- grassland
- dairy production
- net margin
- Solohead Research Farm
- Ireland
- Library Collection Record1. We provide a brief overview of progress in our understanding of introduced plant species. 2. Three main conclusions emerge from our review: (i) Many lines of research, including the search for…Publication Date 2012
- community susceptibility to invasion
- disturbance
- evolution in introduced species
- grazing
- invasion ecology
- traits of successful aliens
- Library Collection RecordThe relative effects of tree clearing, increased livestock densities and nutrient enrichment have rarely been compared across markedly different organism types, but negative effects are generally…Publication Date 2012
- agriculture
- livestock
- Native Pasture
- nutrient enrichment
- rotational grazing
- woodland
- Australia
- Library Collection RecordQuestion To what extent is restoration of vegetation in coastal grasslands delayed by accumulation of nutrients after abandonment of traditional management and subsequent reed encroachment? How does…Publication Date 2012
- Boreal Baltic coastal meadows
- Coastal salt marsh
- eutrophication
- grazing
- land-use change
- management
- nutrients
- Restoration success
- Estonia
- Library Collection RecordQuestions What is the overall restoration potential of the persistent soil seed bank of abandoned alvar grassland sites? To what degree does the share of characteristic alvar grassland species in the…Publication Date 2012
- Abandonment
- grassland management
- grazing
- Limestone grassland
- Optimal sampling time
- seed density
- Seed mass
- Semi-natural grassland
- species richness
- Traditional management
- seed bank
- restoration ecology
- grasslands
- Estonia
- Library Collection RecordQuestion Low quantities of soil nutrients often restrict plant establishment and growth in arid lands and have been partially attributed to the scarcity of organic matter in these ecosystems. Refuse…Publication Date 2012
- Acromyrmex lobicornis
- facilitation
- germination
- grazing
- seedling vigour
- soil nutrients
- Monte Desert
- Neuquén Province
- Argentina
- Library Collection RecordQuestions How does horse or sheep grazing affect species richness, diversity and functional composition of plant communities in sub-Mediterranean grasslands? What are the implications of grazing…Publication Date 2012
- Dominant species control
- Functional plant traits
- Grazing avoidance
- grazing management
- grazing tolerance
- Plant diversity conservation
- grazing
- sheep
- horses
- grasslands
- management
- species richness
- diversity
- Italy
- Library Collection RecordCattle activities may affect pasture biodiversity and productivity. This study investigated the effects of type and size of gaps simulating cattle activities on the recovery and similarity of…Publication Date 2012
- gap size
- grazing
- trampling
- Library Collection RecordAnnual estimates and seasonal patterns of gross nitrogen turnover in terrestrial soils are poorly understood due to the lack of experimental evidence. Based on year round sampling in wintergrazed and…Publication Date 2012
- annual nitrogen budget
- drying-rewetting
- freeze-thaw
- microbial biomass
- nitrification
- N mineralization
- steppe
- ecosystem ecology
- soils
- grazing
- plant production
- Mongolia
- China
- Library Collection RecordThe establishment of conservancies and collaborative nature reserves is often promoted without understanding the impact that such initiatives have on the environment, the wildlife and landowners.…Publication Date 2012
- nature reserve
- management
- game
- livestock
- agriculture
- land use
- conservation
- grazing
- 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 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 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 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 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 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 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 RecordTermites and large herbivores represent important functional groups in savanna ecosystems. Termites affect vegetation far beyond their mounds. In addition, large herbivores feed selectively on…Publication Date 2012
- disturbance
- landscape heterogeneity
- large herbivores
- Macrotermes
- plant–herbivore interaction
- soil fertility
- temporal dynamics
- Uganda
- Africa
- Library Collection RecordIt has been proposed that, across broad spatial scales, climatic factors are the main drivers of ecological patterns, while biotic factors are mainly important at local spatial scales. However, few…Publication Date 2012
- diversity patterns
- herbivory
- plant–herbivore interactions
- Quaternary climate change
- resource–consumer relationships
- savanna species
- Speciation
- Africa
- Library Collection RecordThe Bahima ethnic group have been crossbreeding autochthonous Ankole with Holstein-Friesian cattle. Separate herds (pure Ankole and crossbreds) are common. A survey was conducted to characterize…Publication Date 2012
- Ankole cattle
- Indigenous knowledge
- pasture composition
- pasture management
- Uganda
- Africa
- Library Collection RecordQuestions: Is plant species richness, diversity and above-ground standing biomass enhanced after establishing exclosures on communal grazing lands? What factors influence the effectiveness of…Publication Date 2012
- biomass
- Edaphic variables
- native vegetation
- restoration
- Site variables
- Tigray
- Ethiopia
- Africa
- Library Collection RecordQuestions Do Acacia tortilis trees facilitate herbaceous species development under arid conditions? Do tree–herb interactions change with water stress and grazing intensity? Location National Park…Publication Date 2012
- Arid Areas
- Acacia tortilis subsp. raddiana
- grazing
- Herb composition
- microclimate
- Soil enrichment
- water stress
- water availability
- savanna
- drought
- rainfall
- ecosystem ecology
- North Africa
- 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 RecordUganda is vulnerable to climate change as most of its agriculture is rain-fed, agriculture is also the backbone of the economy, and the livelihoods of many people depend upon it. Variability in…Publication Date 2012
- climate risks
- crop production
- seasonal characteristics
- agrometeorological
- Uganda
- Africa
- Library Collection RecordThis article evaluated the plausible causes of floods and droughts, the relative roles of large-scale climate variability in regional environmental trends, and the prospects for the future of the…Publication Date 2012
- climate variability
- Trend Analysis
- Empirical SPI
- BEST Index
- PDO Index
- Africa
- Library Collection RecordProtected areas constitute strategy for biodiversity conservation. Unfortunately, these sanctuaries of biodiversity are submitted to a high human pressure in Togo. This study carried out in the Alé…Publication Date 2012
- vegetation
- diversity
- Pressure
- management
- Togo
- Africa
- Library Collection RecordNo abstract is available for this article.Publication Date 2012
- Africa
- Library Collection RecordThe thesis seeks to understand how emerging communities borne out of the Fast Track Land Reform Programme in Zimbabwe have been able to ensure social cohesion and social service provision using farm…Publication Date 2012
- agriculture
- Emerging communities
- Challenges
- Fast Track Land Reform Programme
- Economic crisis
- social networks
- Farm committees
- Irrigation committees
- Health committees
- Mazowe district
- socio-economic aspects
- subsistence agriculture
- rural areas
- politics
- management
- Zimbabwe
- Africa
- Library Collection RecordTef [Eragrostis tef (Zucc.)Trotter] is an ancient and major cereal crop in Ethiopia. Increasing tef yield partly requires developing cultivars that are tolerant to low moisture supply. An experiment…Publication Date 2012
- tef
- Eragrostis tef
- grain yield
- drought tolerance indices
- Ethiopia
- Africa
- Library Collection RecordThe effects of cutting frequency and levels of nitrogen application on quality of crop fractions of a degradedPanicum maximum pasture was investigated in 2001 at Nsukka, Nigeria. Cutting intervals…Publication Date 2012
- Mineral Composition
- cutting frequency
- Crude fibre
- ash content
- Â Panicum maximum
- pasture
- Nitrogen Fertilizer
- Nsukka
- Nigeria
- Africa
- Library Collection RecordThe arid and semi arid areas comprise a large percentage of the land area in Africa. Communities in these areas have over the years depended on livestock production for livelihood. Livestock has…Publication Date 2012
- Pastoralists
- transition
- vegetable farming
- Fertility Management
- drylands
- Kenya
- Africa
- Library Collection RecordBiomass is considered a potential feedstock for many renewable energy production systems and interest especially in grass production has increased markedly in the last two decades. The present work…Publication Date 2012
- biomass
- grass
- harvesting
- yield
- Rate
- storage
- quality
- plant production
- Economic Aspects
- Africa
- Library Collection RecordIn most of African countries whose economy is heavily depending on rainfed agriculture, accurate estimation of the spatial and temporal distribution of rainfall and observing its trends are crucial…Publication Date 2012
- belg
- spatial and temporal variability
- rainfall trend
- Africa
- Ethiopia
- Library Collection RecordThe study focused on investigating the effects of different grazing ratios and stocking rate of cattle and goats under mixed species grazing on different species of plant. The experimental site was…Publication Date 2012
- Mixed-species grazing
- stocking rate
- grazing ratio
- cattle
- goats
- biomass
- Zimbabwe
- Africa
- Library Collection RecordBush encroachment is an environmental problem in savanna ecosystems, but it is not yet clear whether it is more prevalent in communal or ranching grazing lands. This study investigates bush…Publication Date 2012
- communal grazing
- diversity
- ranching
- rangeland degradation
- soil clay
- savanna ecosystems
- Botswana
- Africa
- Library Collection RecordThe main long standing objectives of the land reform programme have being to address the imbalances in land access. At the same time, extending and improving the base for productive agriculture in…Publication Date 2012
- Poverty
- employment
- developing countries
- inequalities
- Expertise
- productivity
- Africa
- Library Collection RecordTermites and large herbivores affect African savanna plant communities. Both functional groups are also important for nutrient redistribution across the landscape. We conducted an experiment to study…Publication Date 2012
- beta diversity
- disturbance
- Lake Mburo National Park
- Uganda
- large mammals
- nutrient levels
- savanna
- Termitaria
- Africa
- Library Collection RecordThe contribution of forest and wild products to the rural economy is typically undervalued in standard socioeconomic surveys. In this paper, we analyze the contribution of forests and other wild…Publication Date 2012
- environmental income
- forests
- inequality
- Livelihoods
- sustainability
- Uganda
- Africa
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