Rangeland Ecology & Management
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Displaying 101 - 150 of 252 results
- Library Collection RecordThis study aimed to quantify and understand the impact of severe land degradation on plant diversity in part of the Succulent Karoo. Although total number of species declined with heavy grazing,…Publication Date 2010
- disturbance
- Extirpation
- grazing
- local extinction
- Nurse plants
- soil crusts
- degradation
- biodiversity
- species richness
- ecosystem ecology
- landscape ecology
- Succulent karoo
- South Africa
- Library Collection RecordTheoretical models predict that the relative importance of facilitation and competition may vary inversely across gradients of abiotic stress. However, these predictions have not been thoroughly…Publication Date 2010
- abiotic stress
- competition
- facilitation
- Herbaceous Species
- Tree
- plant autecology
- biodiversity
- savanna
- rainfall
- modelling
- North Africa
- Library Collection RecordDifferent approaches for the assessment of biodiversity by means of remote sensing were developed over the last decades. A new approach, based on the spectral variation hypothesis, proposes that the…Publication Date 2010
- savanna
- Spectral variation hypothesis
- Shannon index
- species richness
- scale
- hyperspectral
- biodiversity
- remote sensing
- landscape ecology
- Namibia
- Africa
- Library Collection RecordOf the 70 cases of classical biological control for the protection of nature found in our review, there were fewer projects against insect targets (21) than against invasive plants (49), in part,…Publication Date 2010
- invasive species
- Ecosystem function
- insect pests
- invasive plants
- ecological restoration
- biological control
- natural ecosystems
- Alien invasive species
- insects
- biodiversity
- ecosystem services
- conservation
- South 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 RecordSavannas are the most extensive biome in the tropics. These extremely dynamic coupled socio-ecological ecosystems are shaped by a long history of interaction with humans, fire, climate and wildlife,…Publication Date 2010
- savanna
- biodiversity
- management
- ecosystem ecology
- socio-economic aspects
- sustainability
- Library Collection RecordPlant facilitation (positive plant-plant interactions) strongly influences biodiversity, structure, and dynamics in plant communities, and the topic has received considerable attention among…Publication Date 2010
- Arid and semi-arid rangelands
- Habitat modification
- Resource balance hypothesis
- wind erosion
- rainfall
- rangeland condition
- rangelands
- erosion
- vegetation dynamics
- biodiversity
- grazing
- Mongolia
- China
- Library Collection Record1. Plant diversity has profound effects on primary production. Plant diversity has been shown to correlate with increased primary production in nutrient-limited grassland ecosystems. This…Publication Date 2010
- ecosystem ecology
- grassland
- biodiversity
- determinants of plant community diversity and structure
- ecosystem functioning
- niche differentiation
- Nutrient depletion
- root ecology
- root interactions
- species interactions
- soil nutrients
- soil organic matter
- plant production
- Library Collection RecordKnowing how species respond to fire regimes is essential for ecologically sustainable management. This axiom raises two important questions: (1) what knowledge is the most important to develop and (2…Publication Date 2010
- Planned burn
- prescribed fire
- wildfire
- Policy Implications
- Management actions
- fire ecology
- management
- biodiversity
- Library Collection Record1. Chronosequences and associated space-for-time substitutions are an important and often necessary tool for studying temporal dynamics of plant communities and soil development across multiple time-…Publication Date 2010
- ecosystem ecology
- vegetation dynamics
- soils
- biodiversity
- species richness
- chronosequences
- disturbance
- plant communities
- retrogression
- soil biological communities
- Soil Development
- succession
- temporal change
- Library Collection Record1. There is growing concern that the current loss of biodiversity may negatively affect ecosystem functioning and stability. Although it has been shown that species loss may reduce biomass production…Publication Date 2010
- biodiversity
- drought
- ecosystem functioning
- insurance hypothesis
- resilience
- stability
- plant production
- Netherlands
- Library Collection RecordGrazing with livestock is a common feature of nature and rangeland management. Although both aim at different, seemingly opposing goals, i.e. maintenance of biodiversity values versus maximization of…Publication Date 2010
- grazing capacity
- model
- Nature conservation management
- forage
- livestock
- forage quality
- conservation
- management
- biodiversity
- animal production
- grazing
- grasslands
- soils
- erosion
- animal nutrition
- Forage Quantity
- modelling
- Library Collection RecordGlobal change (climate change together with other worldwide anthropogenic processes such as increasing trade, air pollution and urbanization) will affect plant health at the genetic, individual,…Publication Date 2010
- biodiversity
- biotic disturbances
- carbon sequestration
- grassland experiments
- land use
- landscape pathology
- long-term datasets
- plant pathogenic fungi
- Sustainable development
- tree genetic diversity
- climate change
- ecosystem ecology
- landscape ecology
- management
- decision support systems
- Library Collection RecordThis study evaluated the impact of shrub encroachment within cool-season floodplain meadows in a portion of the Rocky Mountain Forest Reserve in southwestern Alberta, where nearly half of open…Publication Date 2009-01-01
- Betula glandulosa
- biodiversity
- bunchgrasses
- fire suppression
- forage production
- shrub cover
- Library Collection RecordThe mediterranean ecosystems of the world harbor exceptional biodiversity, and factors such as livestock grazing which may negatively affect biodiversity are of global concern. The mediterranean…Publication Date 2009
- rangelands
- rangeland condition
- vegetation dynamics
- grazing
- biodiversity
- livestock
- commercial agriculture
- communal farming
- Karoo
- Africa
- Library Collection RecordAbstract Aim Evidence is accumulating of a general increase in woody cover of many savanna regions of the world. Little is known about the consequences of this widespread and fundamental ecosystem…Publication Date 2009
- Biome shift
- Bush encroachment
- global change
- Land cover change
- landscape heterogeneity
- savanna
- biodiversity
- birds
- ecosystem ecology
- species richness
- vegetation dynamics
- South Africa
- Library Collection RecordThe African Wildlife Foundation (AWF) has developed and applied a landscape-scale conservation planning methodology in eight priority conservation landscapes in Africa, areas we call African…Publication Date 2009
- conservation
- biodiversity
- stakeholders
- socio-economic aspects
- Africa
- Library Collection RecordIn this study, we asked the Ariaal herders of northern Kenya to answer 'why, what and how' they classified landscape, and assessed and monitored the biodiversity of 10 km2 of grazing land.…Publication Date 2009
- Anthropogenic indicators
- Ariaal
- biodiversity
- Indigenous knowledge
- Grazing suitability
- landscape classification
- Landscape potential
- traditional knowledge
- pastoralism
- monitoring
- grazing
- grasslands
- land use
- Soil Condition
- livestock
- conservation
- management
- Kenya
- Africa
- Library Collection RecordSouth Africa's moist grassland harbours globally significant biodiversity, supplies essential ecosystem services, supports crop and livestock agriculture, forestry and settlement, yet is poorly…Publication Date 2009
- agriculture
- animals
- biodiversity
- birds
- climate
- Conservation of Natural Resources
- crops
- Agricultural/growth & development
- ecosystem
- environment
- forestry
- insects
- mammals
- Poaceae
- Soil/analysis
- grasslands
- land use
- conservation
- management
- landscape ecology
- South Africa
- Library Collection RecordMany existing parks are currently experiencing difficulties in achieving their conservation aims, yet they remain an important option for maintaining and enhancing the conservation of biological…Publication Date 2009
- Effectiveness evaluation
- Criteria and indicators
- Parks management
- Conservation Policy
- national parks
- ecosystem ecology
- management
- conservation
- biodiversity
- ecosystem services
- sustainability
- monitoring
- South Africa
- Canada
- Library Collection RecordEcosystems services sustain humans all over the world. The unsustainable use of ecosystem services around the world has led to widespread degradation which now threatens human health and livelihoods…Publication Date 2009
- conservation planning
- species
- Hotspot
- soil
- water
- carbon
- ecosystem services
- biodiversity
- hydrology
- soils
- South Africa
- Library Collection RecordIt is becoming increasingly difficult to manage and expand statutory conservation areas (i.e., parks and formally protected areas). Therefore, alternative opportunities for land conservation merit…Publication Date 2009
- Private protected areas
- stewardship
- Gap analysis
- Systematic conservation planning
- conservation easements
- Private land conservation
- conservation
- management
- biodiversity
- land use
- Little Karoo
- South Africa
- Library Collection RecordIn situ rainwater harvesting (RWH) belong to the promising practices to support sustainable development in sub-Saharan Africa facing climate change impacts. However, appropriate indicators for their…Publication Date 2009
- Ecosystem service
- climate change
- biodiversity
- soil and water conservation
- Downstream effects
- ecohydrology
- Soil Condition
- rainfall
- conservation
- sustainability
- soil nutrients
- species richness
- socio-economic aspects
- Africa
- Library Collection RecordThe expected outcome of weed control in natural systems is that the decline of a dominant weed will result in an increase in diversity of the plant community but this has seldom been tested. Here we…Publication Date 2009
- Centaurea diffusa
- Larinus minutus
- weed biocontrol
- Invasive species treadmill
- ecological restoration
- Bromus spp.
- diversity
- biodiversity
- species richness
- Weeds
- insects
- Alien invasive species
- vegetation dynamics
- biological control
- restoration ecology
- White Lake
- British Columbia
- Canada
- Library Collection RecordHerbicides have been applied extensively on rangelands to reduce forbs that were considered undesirable, which has been assumed to lead to an increase in grass production and ultimately to an…Publication Date 2009
- biodiversity
- conservation
- average daily gain
- Cattle Performance
- Great Plains
- competition
- invasive species
- mixed prairie
- plant species composition
- vegetation dynamics
- weed control
- Weeds
- herbicides
- grasslands
- plant production
- animal production
- Oklahoma
- USA
- Library Collection RecordFencing for conservation is an acknowledgement that we are failing to successfully coexist with and, ultimately, conserve biodiversity. Fences arose during the Neolithic revolution to demarcate…Publication Date 2009
- biodiversity conservation
- fences
- Human-wildlife conflict
- invasive species
- Introduced predators
- Bushmeat hunting
- Poaching
- Threatening processes
- Tragedy of the Commons
- conservation
- management
- biodiversity
- Library Collection RecordAbstract Question: Do anthropogenic activities facilitate the distribution of exotic plants along steep altitudinal gradients? Location: Sani Pass road, Grassland biome, South Africa. Methods: On…Publication Date 2008
- Alien
- dispersal
- disturbance
- Gradient analysis
- grasslands
- Multivariate
- spatial analysis
- transect
- Germishuizen & Meyer (2003)
- Alien invasive species
- rehabilitation
- restoration ecology
- management
- biodiversity
- seed banks
- vegetation dynamics
- Africa
- Library Collection RecordTransformation of indigenous vegetation for production purposes impacts negatively on biodiversity but does this necessarily equate with a decrease in phytomass accumulation, which may influence…Publication Date 2008
- grasslands
- plant production
- carbon sequestration
- land use
- management
- conservation
- agriculture
- pasture management
- biodiversity
- Africa
- Library Collection RecordA treatment of the Rubiaceae of Angola is presented based on herbarium collections kept at BM, BR, COI, K, LISC, LISU, LUA, LUAI, P, and PRE. The basionyms, relevant synonyms, and types from Angola…Publication Date 2008
- biodiversity
- flora
- tropical Africa
- taxonomy
- Africa
- Library Collection RecordIn Kenya, lands surrounding wildlife protected areas (PAs), referred to as dispersal areas, have undergone widespread land use changes, but these have been little studied. This study investigated…Publication Date 2008
- conservation
- agriculture
- national parks
- land use
- grazing
- biodiversity
- disturbance
- rainfall
- Africa
- Library Collection RecordIn 1998, a restoration field trial was initiated in a catchment near Wellington (Western Cape, South Africa) to determine whether fynbos riparian scrub vegetation cleared of woody invasive alien…Publication Date 2008
- biological invasions
- fire
- Follow-up treatment
- management
- restoration ecology
- Alien invasive species
- seeds
- biodiversity
- Africa
- Library Collection RecordNo abstract availablePublication Date 2008
- biodiversity
- grasslands
- Alien invasive species
- Africa
- 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 reports an assessment of the current and potential impacts of invasive alien plants on selected ecosystem services in South Africa. We used data on the current and potential future…Publication Date 2008
- biodiversity
- Fynbos
- grassland
- grazing
- groundwater
- hydrology
- Karoo
- savanna
- water yield
- Alien invasive species
- ecosystem services
- Africa
- Library Collection RecordThe rich biodiversity of southern Africa has to date been relatively unimpacted by the activities of modern society, but to what degree will this situation persist into the 21st century? We use a…Publication Date 2008
- biodiversity
- southern Africa
- climate change
- land use change
- Land cover change
- Habitat loss
- conservation
- Millennium ecosystem assessment
- image
- CBD target
- Africa
- Library Collection RecordLand management in tropical woodlands is being used to sequester carbon (C), alleviate poverty and protect biodiversity, among other benefits. Our objective was to determine how slash-and-burn…Publication Date 2008
- savanna
- Tropical deciduous forest
- basal area
- Allometric equations
- Wood density
- soil bulk density
- Soil C stock
- biodiversity
- Shannon index
- Chronosequence
- land use
- carbon dioxide
- carbon sequestration
- socio-economic aspects
- management
- soil organic carbon
- Africa
- Library Collection RecordA payments for ecosystem services (PES) system came about in South Africa with the establishment of the government-funded Working for Water (WfW) programme that clears mountain catchments and…Publication Date 2008
- Working for Water
- Payment mechanisms
- ecosystem services
- water supply
- Poverty relief
- Poverty
- Alien invasive species
- fire
- plant production
- biodiversity
- hydrology
- vegetation dynamics
- Economic Aspects
- Africa
- Library Collection RecordDebate among scientists about ecological dynamics and appropriate management of semi-arid rangelands has led to a challenge of received wisdoms of range management and pastoral development in dryland…Publication Date 2008
- Semi-arid rangeland
- pastoralism
- Water Point
- grazing gradient
- ordination
- species response curve
- Namibia
- rangeland condition
- rangelands
- piosphere
- grazing
- biodiversity
- management
- Africa
- Library Collection RecordBackground: Biodiversity offsets are conservation projects used mainly by business to counterbalance the environmental impacts of their operations, with the aim of achieving a net neutral or even…Publication Date 2007
- conservation
- biodiversity
- Economic Aspects
- environmental impact
- Africa
- Library Collection RecordABSTRACT South Africa's first national assessment of spatial priorities for biodiversity conservation, released in 2005, aimed to identify conservation priority areas for mainstreaming into all…Publication Date 2007
- National Spatial Biodiversity Assessment
- conservation planning
- mainstreaming
- Implementation
- biodiversity
- conservation
- mapping
- ecosystem ecology
- ecosystems
- monitoring
- Africa
- Library Collection RecordPlant invasions are a serious threat to natural and semi-natural ecosystems worldwide. Most management-orientated research on invasions focuses on invaders that are already widespread and often have…Publication Date 2007
- biological invasions
- invasive alien plants
- Emerging plant invaders
- Bioclimatic modelling
- Potential distribution
- Alien invasive species
- biodiversity
- landscape ecology
- management
- modelling
- Africa
- Library Collection RecordThe importance of wild edible herbaceous species to resource poor households in most rural economies within savannas has been little studied. This is because most of the herbs grow in impoverished…Publication Date 2007
- biodiversity
- cultivation
- food security
- Impoverished lands
- NTFPs
- savanna
- Poverty
- household income studies
- rural areas
- socio-economic aspects
- management
- Africa
- Library Collection RecordA transdisciplinary synthesis, grouped into four main themes, of the key papers in this Special Issue on Namaqualand is provided. Perspectives on current environmental, economic and social issues in…Publication Date 2007
- climate
- conservation
- land reform
- Livelihoods
- Transdisciplinarity
- socio-economic aspects
- ecology
- biodiversity
- legislation
- Communal areas
- subsistence agriculture
- 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 RecordThis paper provides a brief introduction to the physical environment of Namaqualand as well as an overview of patterns of plant diversity. The diverse array of parent material and geological…Publication Date 2007
- Namaqualand
- Succulent karoo
- Winter rainfall mediterranean desert
- abiotic environment
- flora
- Patterns of diversity
- Heuweltjies
- biodiversity
- ecology
- ecosystem dynamics
- Africa
- Library Collection RecordThis study explored the impacts of sustained heavy grazing in six vegetation types across an altitudinal and rainfall gradient in the Kamiesberg mountain range in Namaqualand. The study was carried…Publication Date 2007
- grazing impacts
- plant composition
- Communal areas
- Succulent karoo
- Upland habitats
- biodiversity
- subsistence agriculture
- socio-economic aspects
- Africa
- Library Collection RecordIn arid and semi-arid savannas, species diversity is strongly influenced by structural diversity, which in these systems is characteristically formed by woody vegetation. Shrub encroachment,…Publication Date 2007
- Yellow mongoose
- rangelands
- Individual-based model
- shrub encroachment
- Spatial explicit
- structural diversity
- ecosystem ecology
- savanna
- biodiversity
- mammals
- indigenous encroaching species
- modelling
- Africa
- Library Collection RecordThis paper explores whether spatial variation in the biodiversity values of vertebrates and plants (species richness, range-size rarity and number or proportion of IUCN Red Listed threatened species…Publication Date 2007
- Africa
- biodiversity
- Human infrastructure
- human population
- Tropical mountains
- Africa
- Library Collection RecordSlash-and-burn agriculture (tavy) is the major cause of upland degradation and deforestation in eastern Madagascar. Upland degradation studies are largely based on floristic loss and have ignored the…Publication Date 2007
- Tavy
- Betsimisaraka
- Vegetation succession
- Agricultural productivity
- biodiversity
- Upland rice
- degradation
- species richness
- agriculture
- subsistence agriculture
- management
- fire
- household income studies
- traditional knowledge
- Africa
- Library Collection RecordSystematic conservation planning is widely considered the most effective approach for designing protected area and other ecological networks. However, many conservation practitioners still ignore…Publication Date 2006
- conservation
- management
- biodiversity
- Economic Aspects
- Africa