Rangeland Ecology & Management
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- Library Collection RecordState-and-transition models for semiarid grasslands in the North American Great Plains suggest that the presence of herbivorous black-tailed prairie dogs (Cynomys ludovicianus) on a site 1) creates a…Publication Date 2014-11
- ecological sites
- grazing intensity
- resilience
- shortgrass steppe
- state-and-transition models
- western Great Plains
- Library Collection RecordLarge tracts of land across the western United States have been managed over the last century in an effort to increase forage production, reduce the risk of wildland fires, and/or restore ecosystem…Publication Date 2014-11
- fuel reduction
- mastication
- piñon–juniper
- prescribed burn
- seed application
- tree reduction
- Library Collection RecordThe Sagebrush Steppe Treatment Evaluation Project (SageSTEP) is an integrated long-term study that evaluates ecological effects of alternative treatments designed to reduce woody fuels and to…Publication Date 2014-09
- cheatgrass invasion
- ecological resilience
- ecosystem management
- environmental gradients
- sagebrush restoration
- woodland expansion
- Library Collection RecordIn surveys of residents in three urban and three rural locations in the Great Basin we examined the social acceptability of six management practices showing promise for restoring sagebrush-dominated…Publication Date 2014-09
- fuels reduction
- mail survey
- Public perceptions
- wildfire risk
- Library Collection RecordPiñon (Pinus spp.) and juniper (Juniperus spp.) removal is a common management approach to restore sagebrush (Artemisia spp.) vegetation in areas experiencing woodland expansion. Because many…Publication Date 2014-09
- Bird community
- Ecological scale
- ordination
- prescribed fire
- Sagebrush-obligate birds
- Woodland-sagebrush ecotone
- Library Collection RecordManagers reduce piñon (Pinus spp.) and juniper (Juniperus spp.) trees that are encroaching on sagebrush (Artemisia spp.) communities to lower fuel loads and increase cover of desirable understory…Publication Date 2014-09
- Infilling
- mechanical treatments
- prescribed fire
- resilience
- resistance
- soil temperature
- weed invasion
- Library Collection RecordIf arid sagebrush ecosystems lack resilience to disturbances or resistance to annual invasives, then alternative successional states dominated by annual invasives, especially cheatgrass (Bromus…Publication Date 2014-09
- Bromus tectorum
- fire
- imazapic
- mowing
- resistance and resilience
- tebuthiuron
- Library Collection RecordIn sagebrush ecosystems invasion of annual exotics and expansion of piñon (Pinus monophylla Torr. and Frem.) and juniper (Juniperus occidentalis Hook., J. osteosperma [Torr.] Little) are altering…Publication Date 2014-09
- Bromus tectorum invasion
- ecological sites
- environmental gradients
- mechanical treatments
- Pinon and juniper expansion
- prescribed fire
- Library Collection RecordIn response to the recent expansion of piñon and juniper woodlands into sagebrush-steppe communities in the northern Great Basin region, numerous conifer-removal projects have been implemented,…Publication Date 2014-09
- cheatgrass
- Nonnative species
- Pinon-juniper
- resilience
- restoration
- sagebrush
- Single-needle pinon
- Utah Juniper
- western juniper
- Library Collection RecordAs part of the Sagebrush Steppe Treatment Evaluation Project (SageSTEP), butterflies were surveyed pretreatment and up to 4 yr posttreatment at 16 widely distributed sagebrush steppe sites in the…Publication Date 2014-09
- cheatgrass
- Cut and leave
- Insect-plant relations
- mastication
- mowing
- Pinon-juniper
- prescribed fire
- Library Collection RecordLand owners and managers across the western United States are increasingly searching for methods to evaluate and mitigate the effects of woodland encroachment on sagebrush steppe ecosystems. We used…Publication Date 2014-09
- aggregate stability
- Hydrophobicity
- juniper
- Pinon
- prescribed fire
- rangeland
- restoration
- soil water repellency
- tree mastication
- Library Collection RecordCurrent paradigm suggests that spatial and temporal competition for resources limit an exotic invader, cheatgrass (Bromus tectorum L.), which once established, alters fire regimes and can result in…Publication Date 2014-09
- Exotic annual grass
- Herbicide
- mowing
- prescribed fire
- soil nutrients
- soil water
- Library Collection RecordPiñon (Pinus spp.) and juniper (Juniperus spp.) trees are reduced to restore native vegetation and avoid severe fires where they have expanded into sagebrush (Artemisia tridentata Nutt.) communities…Publication Date 2014-09
- brush control
- mastication
- mechanical treatments
- prescribed fire
- resilience
- state and transition
- thresholds
- Library Collection RecordWith the encroachment of piñon (Pinus ssp.) and juniper (Juniperus ssp.) woodlands onto sagebrush steppe rangelands, there is an increasing interest in rapid, accurate, and inexpensive quantification…Publication Date 2014-09
- biomass
- ECognition® Developer
- Juniperus
- Object-based image analysis
- Pinus
- remote sensing
- Library Collection RecordChaining and prescribed fire treatments have been widely applied throughout pinyon-juniper woodlands of the western United States in an effort to reduce tree cover and stimulate understory growth.…Publication Date 2014-07
- Great Basin
- pinyon-juniper
- rangeland restoration
- Tree age structure
- tree regeneration
- woodland expansion
- Library Collection RecordInvasive annual grasses, such as medusahead (Taeniatherum caput-medusae [L.] Nevski), ventenata (Ventenata dubia [Leers] Coss.), downy brome (Bromus tectorum L.), and Japanese brome (Bromus japonicus…Publication Date 2014-07
- downy brome
- Growth regulator herbicide
- Herbicide
- invasive plant
- seedbank
- weed
- Library Collection RecordThere is limited information about the effects of cattle grazing to longer-term plant community composition and herbage production following fire in sagebrush steppe. This study evaluated vegetation…Publication Date 2014-07
- bunchgrass
- fire
- stocking rate
- utilization
- Wyoming big sagebrush
- Library Collection RecordThe pods of many woody plants form an important part of the diet of livestock during the dry season due to their high nutritive value. However, the dispersal of seeds that remain intact and can…Publication Date 2014-07
- Associated diet quality
- endozoochory
- Germination percentage
- seed characteristics
- seed dispersal
- seed viability
- woody plant encroachment
- Library Collection RecordThe influence of grazing protection caused by streambank fencing on soil mesofauna density is unknown. Our objective was to determine if grazing protection (ungrazed vs. grazed), location (upland vs…Publication Date 2014-07
- Acari
- Collembola
- grazing
- Soil invertebrates
- streambank fencing
- Library Collection RecordGrasslands represent a large potential reservoir in storing carbon (C) in plant biomass and soil organic matter via C sequestration, but the potential greatly depends on how grasslands are managed,…Publication Date 2014-07
- Canadian grazing grasslands
- Cultivation abandonment
- Grassland carbon restoration
- Grassland deterioration
- Naturalized grasslands
- soil carbon sequestration
- Library Collection RecordRemote sensing and landscape ecology concepts can provide a useful framework for state-and-transition models (STM) in order to quantify thresholds at different scales, and provide useful information…Publication Date 2014-07
- grazing
- landscape ecology
- Peatland
- remote sensing
- resilience
- thresholds
- Library Collection RecordBig sagebrush, Artemisia tridentata Nuttall (Asteraceae), is the dominant plant species of large portions of semiarid western North America. However, much of historical big sagebrush vegetation has…Publication Date 2014-07
- recruitment
- Sage-Grouse habitat
- sagebrush steppe
- seedlings
- seeds
- Library Collection RecordDeclining greater sage-grouse populations are causing concern for the future of this species across the western United States. Major ecosystem issues, including exotic annual grass invasion and…Publication Date 2014-07
- Endangered Species Act
- sage-grouse
- sagebrush
- state-and-transition
- Library Collection RecordWoody plant encroachment in natural grasslands is a widely documented global phenomenon that alters ecosystem dynamics by altering historic vegetation composition and suppressing herbaceous…Publication Date 2014-07
- Autogenic succession
- grassland restoration
- novel ecosystems
- Successional trajectory
- thresholds
- woody encroachment
- Library Collection RecordGlobal energy demand is predicted to increase dramatically, suggesting the need to understand the role of disturbance from energy development better and to develop more efficient conservation…Publication Date 2014-07
- Cervus elaphus
- Coal bed natural gas
- Elk habitat
- Resource selection functions
- roads
- Wildlife and energy development
- Library Collection RecordCheatgrass (Bromus tectorum) has recently invaded marginal low-elevation salt desert habitats across the Great Basin. We tested the hypothesis that cheatgrass seed produced in populations from the…Publication Date 2014-05
- AMF
- Invader
- Maternal effects
- Seed source soil nutrients
- Library Collection RecordAnthropogenic disturbances, wildfires, and weedy-plant invasions have destroyed and fragmented many sagebrush (Artemisia L. spp.) habitats. Sagebrush-dependent species like greater sage-grouse (…Publication Date 2014-05
- big sagebrush
- Centrocercus urophasianus
- Rangeland monitoring and assessment
- Sampling costs
- Very large scale aerial imagery
- Library Collection RecordThe sagebrush biome in the western United States is home to the imperiled greater sage-grouse (Centrocercus urophasianus) and encompasses rangelands used for cattle production. Cattle grazing…Publication Date 2014-05
- bird
- Conservation physiology
- Corticosterone
- endangered species
- Spatial statistics
- stress
- Library Collection RecordNumerous studies have been conducted that evaluate the utility of remote sensing for monitoring and assessing vegetation and ground cover to support land management decisions and complement ground…Publication Date 2014-05
- eCognition Developer
- High-spatial resolution imagery
- Object-based image analysis
- Rule sets
- SageSTEP
- Library Collection RecordFire is an important disturbance process historically present across the northern Great Plains. Previous research from northern dry mixed-grass prairie suggests that C4 (warm season) grasses replace…Publication Date 2014-05
- Dry mixed grass
- fire ecology
- plant functional type
- rangeland
- succession
- Library Collection RecordPurple threeawn (Aristida purpurea Nutt.) is a native perennial bunchgrass with limited forage value that dominates sites with disturbed soils and persists with repeated severe grazing. Fire and…Publication Date 2014-05
- digestibility
- gas production
- in vitro fermentation
- prescribed burning
- purple threeawn
- silica
- Library Collection RecordGround squirrel (Spermophilus spp.) and American badger (Taxidea taxus) burrowing activities are ecologically important disturbances that contribute to the heterogeneity of prairie environments.…Publication Date 2014-05
- Burrowing animals
- livestock
- Prairie conservation
- vegetation composition
- vegetation structure
- Library Collection RecordGrazing management effects on soil property dynamics are poorly understood. A study was conducted to assess effects of grazing management and season on soil property dynamics and greenhouse gas flux…Publication Date 2014-05
- electrical conductivity
- greenhouse gas emissions
- Northern Plains
- Soil acidification
- Library Collection RecordLittle is known about how cultivation legacies affect the outcome of rehabilitation seedings in the Great Basin, even though both frequently co-occur on the same lands. Similarly, there is little…Publication Date 2014-05
- crested wheatgrass
- Exarable fields
- Land-use legacies
- old fields
- sagebrush
- site history
- Library Collection RecordSagebrush plays an important role in the ecological functions of sagebrush steppe plant communities and is a necessary component of habitat for a variety of wildlife including greater sage-grouse (…Publication Date 2014-05
- competition
- restoration
- sagebrush restoration
- Seedling
- survival
- Library Collection RecordBecause invasive annual grasses can strongly influence soil resource availability and disturbance regimes to favor their own persistence, there is a great need to understand the interrelationships…Publication Date 2014-05
- cheatgrass
- disturbance ecology
- Ecosystem resilience
- restoration ecology
- Soil resource dynamics
- Spatial and temporal variation
- Library Collection RecordCattle fecal pats readily ignite, are a common source of spot fires, and release extreme amounts of energy when burning. Moreover, dung-dependent livestock parasites can be reduced by combusting…Publication Date 2014-03
- disturbance
- ecology
- fuel
- grazing
- parasites
- weather
- Library Collection RecordThe presence of sagebrush (Artemisia tridentata) in rangelands has declined due to the invasion of annual grasses such as cheatgrass (Bromus tectorum) and the feedback between these flammable grasses…Publication Date 2014-03
- Artemisia tridentata
- monitoring
- sagebrush steppe
- Terrestrial LiDAR
- Voxel volume
- Library Collection RecordState-and-transition models (STMs) are used in natural resource management to describe ecological site scale response to natural and anthropogenic disturbances. STMs are primarily based for expert…Publication Date 2014-03
- ecological site
- Nonmetric multidimensional scaling
- Permutation multivariate analysis of variance
- thresholds
- Library Collection RecordBalancing the number of grazing animals with the level of plant resources is a core issue in grazing management. Complete, full-coverage vegetation surveys are often used for this purpose, but these…Publication Date 2014-03
- Global positioning system
- habitat selection
- Land cover
- Poststratiiccation
- rangeland management
- Resource selection functions
- Library Collection RecordEffects of grazing management systems (GS) on biomass production and nutritional quality of rangeland vegetation in semiarid regions are extensively studied; however, limited information is available…Publication Date 2014-03
- Alternating grazing
- continuous grazing
- grazing intensity
- inner Mongolia
- Live weight gain
- steppe
- Library Collection RecordLocal observations of ecological change are important in developing tools for rangeland management and filling in gaps where quantitative data are lacking. Traditional ecological knowledge (TEK) is a…Publication Date 2014-03
- adaptive capacity
- local knowledge
- Nomad
- Participatory monitoring
- Pastoralist
- Traditional ecological knowledge
- Library Collection RecordAlthough human influence across rural landscapes is often discussed, interactions between the native, natural systems and human activities are challenging to measure explicitly. We assessed the…Publication Date 2014-03
- Anthropogenic inuence
- land use
- noxious weeds
- sagebrush steppe
- semiarid ecosystem
- semiarid ecosystem
- species distributions
- Library Collection RecordAdvancing our ability to use invasive plants for producing commodities is central to the agricultural industry. Our objective was to evaluate Russian knapweed (Acroptilon repens "L." DC.)…Publication Date 2014-03
- digestible protein
- invasive weeds
- livestock feed
- Russian knapweed
- Library Collection RecordA key goal in land management is to prevent ecosystem shifts that affect human well-being. Like other types of sagebrush shrublands, large areas dominated by the common but little-studied mountain…Publication Date 2014-03
- Artemisia spp.
- Ecosystem shifts
- grazing
- Herbicide
- state-and-transition model
- Tthreshold
- Library Collection RecordOverbrowsing by white-tailed deer (Odocoileus virginianus Zimmermann) on Anticosti Island (Canada) created a need to develop efficient methods for estimating their foraging patterns. We tested the…Publication Date 2014-03
- diet quality
- fecal analysis
- Fecal microhistology
- Near infrared spectroscopy
- overbrowsing
- white-tailed deer
- Library Collection RecordThe goal of our study was to document traditional steppe herders' perception and management of spatial and temporal heterogeneity of forage availability of their seminatural pastures. Ninety-two…Publication Date 2014-03
- Fodder availability
- grazing distribution
- Nature conservation management
- Pastoralists
- pasture management
- Precision herding
- Library Collection RecordExpansion of woody plants in North American grasslands and savannas is facilitated in part by root system adaptation to climatic extremes. Climatic extremes are predicted to become more common with…Publication Date 2014-03
- Carbon isotope ratio
- carbon sequestration
- climate change
- leaf water potential
- Root-to-shoot ratio
- woody plant encroachment
- Library Collection RecordComparisons of tree-removal treatments to reduce the cover of single-leaf pinyon (Pinus monophylla Torr. and Frém.) and Utah juniper (Juniperus osteosperma Torr. Little), and subsequently increase…Publication Date 2014-03
- black sagebrush
- chaining
- Feller-buncher
- Great Basin
- mastication
- perennial grass
- Library Collection RecordGross primary productivity (GPP) is a key component of ecosystem carbon fluxes and the carbon balance between the biosphere and the atmosphere. Accurate estimation of GPP is essential for quantifying…Publication Date 2014-01
- China
- grasslands
- gross primary productivity
- MODIS
- vegetation indices