Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Displaying 25901 - 25950 of 26844 results
- Library Collection Record1. Callitris intratropica is a long-lived, obligate-seeding, fire-sensitive overstorey conifer that typically occurs in small groves (0.1ha) of much higher tree densities than the surrounding,…Publication Date 2012
- Aboriginal landscape burning
- alternative stable states
- determinants of plant community diversity and structure
- fire ecology
- fire-sensitive species
- habitat complexity
- patch dynamics
- pyrodiversity
- tropical savanna
- vegetation boundaries
- Arnhem Plateau
- Australia
- Library Collection Record1.?There are now approximately 10 examples of plants that use volatile cues emitted by damaged neighbours to adjust their defences against herbivores. For two of these examples, preliminary evidence…Publication Date 2012
- Artemisia tridentata
- communication
- fitness
- flowering
- neighbours
- plant–herbivore interactions
- reproduction
- seedlings
- survival
- volatiles
- Mammoth Lakes
- CA
- USA
- Library Collection RecordTheoretical models show that environmental heterogeneity and dispersal are major determinants of species diversity at multiple scales, yet there are few studies from real landscapes that adequately…Publication Date 2012
- determinants of plant community diversity and structure
- dispersal
- environmental niche
- island
- meta-community
- spatial heterogeneity
- species assemblage
- species coexistence
- structural equation modelling
- Stockholm
- Library Collection Record1. Foliar endophytic fungi in herbaceous plants are known to be diverse, yet studies characterizing the fungal communities in roots and shoots of plants across time are absent. These fungi are…Publication Date 2012
- Arbuscular mycorrhiza
- Cirsium arvense
- endophyte community
- forbs
- fungal diversity
- Plantago lanceolata
- plant–soil (below-ground) interactions
- Rumex acetosa
- England
- Library Collection RecordRecent evidence suggests that soil nutrient heterogeneity, a ubiquitous feature of terrestrial ecosystems, modulates plant responses to ongoing global change (GC). However, we know little about the…Publication Date 2012
- changes in rainfall regime
- CO 2
- community-level studies
- ecosystem functioning
- global change
- N enrichment
- Plant performance
- plant–soil (below-ground) interactions
- root foraging
- soil nutrient heterogeneity
- Library Collection RecordBoth plant species diversity and genetic diversity within a plant species can affect community properties and ecosystem processes. However, the relative contribution of species diversity and genetic…Publication Date 2012
- additive effects
- Ammophila breviligulata
- biodiversity-ecosystem function
- dominance
- intersimple sequence repeat
- non-additive effects
- plant–plant interactions
- sand dunes
- species richness
- Great Lakes
- USA
- Library Collection RecordFacilitation (positive interaction) has received increasing attention in plant ecology over the last decade. Just as for competition, distinguishing different modes of facilitation (mutualistic,…Publication Date 2012
- asymmetry
- competition
- metabolic scaling theory
- plant population and community dynamics
- plant–plant interaction
- self-thinning
- spatial pattern
- Stress-gradient hypothesis
- symmetry
- 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 RecordGrime's CSR and Tilman's resource-ratio theories are two major contributions to our understanding of plant community dynamics. They have both been corroborated empirically, whilst providing…Publication Date 2012
- community modelling
- disturbance
- plant competition
- plant population and community dynamics
- plant strategy
- resource competition
- size dependence
- Library Collection RecordAbstract not available
- breeds
- breed differences
- Library Collection RecordLocal plant community assembly is influenced by a series of filters that affect the recruitment and establishment of species. These filters include regional factors that limit seeds of any given…Publication Date 2012
- community assembly
- competition
- disturbance
- exotic species
- invasion
- plant population and community dynamics
- Post-dispersal seed predation
- recruitment
- seed limitation
- seed size
- Montana
- USA
- Library Collection RecordMallee-heath and mallee communities occur in a mosaic across large areas of south-western Australia, in topographically subdued and fire-prone landscapes. Consequently, it could be expected that…Publication Date 2012
- fire ecology
- carbon sequestration
- fire interval
- initial floristic composition
- mallee
- senescence
- succession
- Australia
- Library Collection RecordNo abstract is available for this article.Publication Date 2012
- Library Collection RecordThe radiation use efficiency (RUE) model is one of the most used tools to generate large spatial and temporal scale net primary productivity (NPP) estimations by remote sensing. It involves two key…Publication Date 2012
- grassland
- Light-use efficiency
- primary productivity
- remote sensing
- stress
- Buenos Aires
- Argentina
- Library Collection RecordIn the semiarid Chaco savannas, the balance between herbaceous and woody species affects landscape configuration and ecosystem services such as forage production. Therefore, understanding the factors…Publication Date 2012
- burning
- Plant functional group
- range management
- shrubland
- water addition
- Argentina
- Library Collection RecordAccording to the global latitudinal diversity gradient, a decrease in animal and plant species richness exists from the tropics towards higher latitudes. The aim of this study was to describe the…Publication Date 2012
- biodiversity conservation
- biogeography
- Chilean flora
- macroecology
- regionalization
- Chile
- 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 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 RecordThe higher flammability of tropical savanna, compared with forest, plays a critical role in mediating vegetation-environment feedbacks, alternate stable states, and ultimately, the distribution of…Publication Date 2012
- C4 grass
- cerrado
- fire behaviour
- fire intensity
- positive feedback
- savanna
- fire ecology
- wind speed
- air temperature
- environmental variables
- Brazil
- Library Collection RecordSymbiosis between cool-season grasses and vertically transmitted fungal endophytes are common and significantly impact on ecosystem function. This makes the understanding of the underlying mechanisms…Publication Date 2012
- grass–endophyte symbiosis
- Lolium multiflorum
- mutualism effectiveness
- symbiosis dynamics
- transmission efficiency
- South America
- Library Collection RecordAbstract not available
- animal nutrition
- animal feeding
- agricultural economics
- agribusiness
- Nevada
- Library Collection RecordTropical savannas are the world's most fire-prone biome, and savanna biotas are generally well adapted to frequent fire. However, in northern Australia there are concerns that recent increases…Publication Date 2012
- ant
- fire regime
- fire resilience
- frequent fire
- small mammal
- Australia
- Library Collection RecordFire is an important driver of nutrient cycling in savannas. Here, we determined the impact of fire frequency on total and soluble soil nitrogen (N) pools in tropical savanna. The study sites…Publication Date 2012
- amino acid
- ammonium
- fire frequency
- Nitrate
- organic N
- soluble soil N
- time since fire
- Darwin
- Australia
- Library Collection RecordIn humid savannas, the transition from juvenile to mature tree sizes is thought to be a major demographic bottleneck because smaller plants are topkilled by frequent fires. Species with the highest…Publication Date 2012
- community assembly
- community ecology
- plant population
- surface fire regime
- Australia
- Library Collection RecordVery little is known of how disturbance affects community assembly rules. We examine this in three disturbance states in each of two ski areas on southern New Zealand mountains. Theory suggests that…Publication Date 2012
- community structure
- Distance decay
- disturbance
- heterogeneity
- species abundance distribution
- New Zealand
- 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 RecordUnderstanding mechanisms underlying fire regime effects on savanna fauna is difficult because of a wide range of possible trophic interactions and feedbacks. Yet, understanding mechanisms underlying…Publication Date 2012
- burning mosaic
- critical weight range
- fire impact
- post-fire succession
- small mammal
- vegetation structure
- Australia
- Library Collection RecordThe interactions between vegetation dynamics, fuel dynamics and fire hazard in rehabilitation after bauxite mining at Gove, Northern Territory, Australia were investigated. It was found that a policy…Publication Date 2012
- fire
- fuel
- minesite
- rehabilitation
- savanna
- fire ecology
- management
- restoration ecology
- mine rehabilitation
- Nhulunbuy
- Northern Territory
- Australia
- Library Collection RecordThe structure of tropical savanna ecosystems is influenced by fire frequency and intensity. There is particular interest in the extent to which long-term fire exclusion can result in a shift from…Publication Date 2012
- Biome shift
- fire
- fire behaviour
- resprout
- savanna
- tropical woodland
- woody thickening
- Australia
- Library Collection RecordSavanna burning for greenhouse gas abatement presents an opportunity for remote Aboriginal communities of northern Australia to engage with the mainstream economy while fulfilling cultural…Publication Date 2012
- carbon sequestration
- fire
- Methane
- nitrous oxide
- Northern Australia
- Tiwi Islands
- savanna
- greenhouse gases
- climate change
- management
- carbon dioxide
- Australia
- Library Collection RecordThis paper examines the economic potential for fire management to provide offsets to carbon markets in the savannas of northern Australia. Long-term field trials in Australia’s savannas have…Publication Date 2012
- carbon market
- climate change mitigation
- fire management
- greenhouse gas offset
- indigenous fire management
- Australia
- Library Collection RecordAnimals continually sample and evaluate the nutritional value (i.e., PIF) of forages using their senses of taste, smell, and sight. Postingestive feedback adjusts a forage’s hedonic value (i.e.,…
- Library Collection RecordNo abstract is available for this article.Publication Date 2012
- Australia
- Library Collection RecordThis paper documents the effects of fire on grass-layer invertebrates in tropical savannas of the Kimberley region of north-western Australia, in the context of resource availability for consumers.…Publication Date 2012
- fire ecology
- invertebrates
- Kimberley
- savanna
- conservation
- management
- Australia
- 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 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 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 RecordPredictive models of species distributions are typically developed with data collected along roads. Roadside sampling may provide a biased (nonrandom) sample, however, it is currently unknown whether…Publication Date 2012
- breeding birds
- monitoring programs
- niche models
- occupancy models
- road effects
- sample bias
- species distribution models
- Library Collection RecordLarge-scale (circa 500 ha) restoration of species-rich dry grasslands was conducted using a high-diversity regional seed mixture in the White Carpathians Protected Landscape Area and Biosphere…Publication Date 2012
- grassland restoration
- regional seed mixture
- species diversity
- target species
- vegetation
- White Carpathian Mountains
- Europe
- Library Collection RecordQuestion: What are the long-term effects of grazing exclusion on the population structure and dynamics of, and interactions among, three dominant shrub species? Location: Grass-shrub Patagonian…Publication Date 2012
- arid ecosystems
- Biotic interactions
- browsing
- demography
- desertification
- population dynamics
- matrix models
- Neighborhood analysis
- sheep grazing
- woody encroachment
- Patagonian steppe
- Chubut
- Argentina
- Library Collection RecordQuestions: Do soil seed banks of semi-arid grasslands reassemble after abandonment from cultivation? Do seeds of native and exotic species persist in the soil? Does time since abandonment affect…Publication Date 2012
- Annual Forb
- Chronosequence
- dispersal
- grassland
- restoration
- secondary succession
- Victoria
- Australia
- 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 RecordUtilization has been an important “tool†in range management since its beginnings. On the surface the concept appears simple, referring to the percentage of current forage removed by…Publication Date 2016
- livestock
- forage
- monitoring
- Library Collection RecordQuestions (a) What are directions of spontaneous succession; in particular, do target stages (identified as shrubby grassland and semi-natural deciduous woodland) develop, and if so, which species…Publication Date 2012
- Ellenberg indicator values
- Old-fields
- ordination
- restoration
- species richness
- succession
- target species
- grasslands
- Phytosociology
- 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 Is the transfer of plant material a feasible measure for the enrichment of species-poor alluvial grassland? Which is the proper degree of grass sward disturbance to enhance germination and…Publication Date 2012
- Alluvial Meadows
- floodplain
- Grass Sward
- grassland restoration
- hay transfer
- River Rhine
- Germany
- 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 RecordNo abstract is available for this article.Publication Date 2012
- Library Collection RecordQuestion European landscapes have long been influenced by intensifying use by humans. Although habitat restoration can reverse this process, it is often limited in scope by socioeconomic constraints…Publication Date 2012
- conservation
- Habitat diversity
- landscape ecology
- management
- Mosaic habitat structure
- Pannonic alkali steppe
- Pannonic loess steppic grassland
- Restoration success
- succession
- Hungary
- 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
Pagination
- First page
- Previous page
- …
- 517
- 518
- 519
- 520
- 521
- …
- Next page
- Last page