Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Displaying 1 - 50 of 151 results
- Library Collection RecordIn Yellowstone National Park, Frank et al. examined the effects of large herds of migratory herds of ungulates on ecosystem primary production by comparing aboveground (NAP) and belowground…Publication Date 1969
- herbivory
- primary production
- ungulates
- grassland
- minirhizotron
- root growth
- Yellowstone National Park
- Library Collection RecordThe impacts of redhead (Aythya americana) grazing in the shoalgrass (Halodule wrightii) habitat, of the Laguna Madre in Texas, were measured in this study. Redhead grazing did not affect root…Publication Date 1969
- Texas
- herbivory
- Aythya americana
- Halodule wrightii
- Laguna Madre
- redhead
- shoalgrass
- Library Collection RecordMilchunas and Noy-Meir developed a conceptual framework of external plant avoidances to herbivory, based on foraging selection impedances (associational avoidances), behavioral impedances (indirect…Publication Date 1969
- tolerance
- herbivory
- avoidance
- forage selection
- plant-herbivore interactions
- refuges
- Library Collection RecordIn Colorado, Milchunas et al. assessed the effects of 45 years of controlled, heavy grazing by cattle and grazing exclosures on the basal cover and density of species in plant communities along…Publication Date 1969
- herbivory
- landscape
- catena
- community structure
- disturbance
- evolutionary history
- shortgrass steppe
- Library Collection RecordIn the shortgrass steppe of Colorado, authors made comparisons of vegetation and species composition between grazed sites and geologic refuge sites, that were located in ravines and not exposed to…Publication Date 1969
- herbivory
- drought
- livestock grazing
- rare species
- refugia
- relict
- rock bluffs and outcrops
- Library Collection RecordMultiple regression analyses were performed on worldwide 236-site data set compiled from studies that compared species composition, aboveground net primary production (ANPP), root biomass, and soil…Publication Date 1969
- herbivory
- soil organic matter
- abiotic controls
- aboveground net primary production
- dominant species and growth forms
- evolutionary history of grazing
- grazing intensity and duration
- rangeland condition and trend
- root mass vs. grazing
- shrub invasion
- species composition
- Library Collection RecordMerrill and Colberg measured the effects of simulated flooding, clipping, and dung addition on tufted hairgrass (Deschampsia caespitosa) in a greenhouse. Root biomass was reduced while above-ground…Publication Date 1969
- flooding
- herbivory
- Deschampsia caespitosa
- nitrogen dynamics
- tufted hairgrass
- wet meadows
- Library Collection RecordMcNaughton wrote this article in response to Belsky's (1986) paper titled, "Does herbivory benefit plants?" since he felt that she developed an argument that is neither internally…Publication Date 1969
- herbivory
- grazing
- Plant fitness
- plant-herbivore relations
- Library Collection RecordIn this Yukon study, McIntire and Hik looked at an alpine herbivory gradient established by collared pikas (Ochotona collaris), a small central foraging lagomorph, to examine the effects of multiple…Publication Date 1969
- herbivory
- collared pikas
- grazing history
- net above-ground primary production
- Ochotona collaris
- Yukon
- Library Collection RecordMcInnes et al. examined the influence of moose (Alces alces) on aboveground biomass, production, and annual litterfall using four moose exclosures and paired browsing plots on Isle Royale, Michigan…Publication Date 1969
- moose
- biomass
- browsing
- herbivory
- production
- ungulates
- Alces alces
- Boreal Forest
- litter
- Library Collection RecordMcAuliffe studied the factors limiting seedling establishment of a common Sonoran Desert tree, Cercidium microphyllum, at three sites in bajada habitat in Arizona and Mexico. Distribution patterns…Publication Date 1969
- herbivory
- Cercidium microphyllum
- perennial ground cover
- seedling distribution
- seedling mortality
- Library Collection RecordIn order to determine whether developmentally sequestered mutations could be released by herbivory (i.e., meristem destruction), a characterized genetic mosaic was subjected to simulated herbivory.…Publication Date 1969
- herbivory
- Nicotiana sylvestris
- cell fate
- mutational loading
- periclinal chimeras
- plant evolution
- Library Collection RecordTo determine how a migrating caribou (Rangifer tarandus) herd influences plant community and productivity of summer range, authors compared grazed (in previous years) and ungrazed sites on two plant…Publication Date 1969
- Caribou
- herbivory
- overgrazing
- plant-animal interaction
- Rangifer tarandus
- ungulate
- Library Collection RecordUsing a simple optimization model, Lundberg and Astrom analyzed whether low nutritive quality in terms of low nutrient concentration can be a profitable anti-herbivory strategy for plants. Contrary…Publication Date 1969
- herbivory
- biomass
- food-plant selection
- low nutritive quality
- optimization model
- Library Collection RecordIn Sanicula arctopoides, a perennial monocarp, removal of umbels, both naturally by deer (Odocoileus hemionus) and by artificial clipping early in the flowering season in California, led to no loss…Publication Date 1969
- compensation
- herbivory
- Odocoileus hemionus
- seed production
- umbels
- black-tailed deer
- plant-herbivore interactions
- Sanicula arctopoides
- seed/fruit abortion
- Library Collection RecordOf the six Wyoming relict sites with historic vegetation data, three lie in Hot Springs County. In the summer of 1997, the University of Wyoming team located and photographed the sites, conducted…Publication Date 1969
- grazing
- herbivory
- Leafy spurge
- bison
- cattle
- big sagebrush
- bluebunch wheatgrass
- cheatgrass
- downy brome
- inventory
- relict sites
- threadleaf sedge
- Library Collection RecordKielland et al. examined the effect of winter browsing by moose (Alces alces) and snowshoe hare (Lepus americanus) on primary succession of willow (Salix sp.) and alder (Alnus tenuifolia) communities…Publication Date 1969
- Alaska
- moose
- respiration
- herbivory
- Alces alces
- Lepus americanus
- snowshoe hare
- soil carbon
- winter browsing
- Library Collection RecordIn New Mexico, Kerley et al. studied the effects of cattle browsing on the flowers of the soaptree (Yucca elata), and measured inflorescence consumption and population structure in six populations…Publication Date 1969
- herbivory
- cattle
- biodiversity
- nutritional value of inflorescences
- soaptree
- Yucca elata
- Library Collection RecordMechanical abrasion of cotyledons induced resistance to spider mites (Tetranychus urticae) in cotton plants in four of six replicates. Mite population growth was reduced on plants that had either…Publication Date 1969
- Cotton
- herbivory
- Induced resistance
- Spider mites
- abrasion
- secondary chemicals
- Tetranychus spp.
- Library Collection RecordJohnson-Nistler et al. measured the effects of black-tailed prairie dog (Cynomys ludovicianus) colonies on native range vegetation, in the mixed grass prairie of northeastern Montana. Plant biomass…Publication Date 1969
- vegetation
- nutrition
- herbivory
- black-tailed prairie dog
- Cynomys ludovicianus
- Library Collection RecordJefferies et al. state that there is little evidence that across northern ecosystems herbivores do influence plant species assemblages in the different communities in the long-term, or alter the…Publication Date 1969
- plant response
- herbivory
- plant succession
- forage species
- northern plant communities
- nutrient cycling
- Library Collection RecordHuntly tested the effects of pikas (Ochotona princeps) on talus-border vegetation by excluding pikas from small plots at several distances from talus on a site in Colorado. Vegetational cover and…Publication Date 1969
- grazing
- herbivory
- plant competition
- cushion plants
- Ochotona princeps
- perturbation experiment
- pikas
- plant community
- predation gradient
- refuging consumer
- sub-alpine meadow
- Library Collection RecordHuff and Varley review the information on the subject of natural regeneration in Yellowstone National Park's northern range. The greatest concern to park managers and their critics over recent…Publication Date 1969
- carrying capacity
- overpopulation
- range management
- wildlife management
- herbivory
- elk
- National Park Service
- natural process management
- natural regulation
- policy
- Yellowstone National Park
- Library Collection RecordHolland and Detling examined plant responses to herbivory and links to belowground nitrogen cycling at Wind Cave National Park, South Dakota. In laboratory tests, net nitrogen mineralization was…Publication Date 1969
- herbivory
- roots
- nitrogen cycling
- plant carbon allocation
- plant ecophysiology
- soil ecology
- Wind Cave National Park
- Library Collection RecordHobbs et al. hypothesized that grazing by large herbivores results in conservation of nitrogen that would otherwise be lost from burned grasslands. They tested this hypothesis in a series of…Publication Date 1969
- burning
- cattle
- grazing
- herbivory
- fire
- nitrogen budgets
- nutrient cycling
- patch dynamics
- spatial variation
- Library Collection RecordThree plant species (Poa pratensis, Poa compressa, Dactylis glomerata) were grown in three soil types, varying in nutrient contents, and then subjected to simulated grazing (clipping) to determine if…Publication Date 1969
- herbivory
- regrowth
- nutrients
- Poa pratensis
- Poa compressa
- Dactylis glomerata
- Library Collection RecordThe effects of light, moderate, and heavy Black Brant (Branta bernicla) gosling herbivory on Carex subspathacea grazing lawns and slough levee vegetation were measured in this study. Forage…Publication Date 1969
- herbivory
- grazing intensity
- black brant geese
- Branta bernicla nigricans
- Carex subspathacea
- forage availability
- foraging efficiency
- Triglochin palustris
- Library Collection RecordHendon and Briske investigated the response of Texas cupgrass (Eriochloa sericea), a warm season perennial bunchgrass, to clipping of 75% of canopy volume prior-, during, and post- culm elongation,…Publication Date 1969
- herbivory
- defoliation
- mortality
- Eriochloa sericea
- herbivory-sensitivity
- perennial bunchgrass
- Texas cupgrass
- tiller demography
- Library Collection RecordHartnett measure the responses of Andropogon gerardii and Panicum virgatum to defoliation under different clipping intensities, plant densities, and plant growth forms. In general, defoliation…Publication Date 1969
- Andropogon gerardii
- Panicum virgatum
- herbivory
- plant density
- clonal growth
- competition
- simulated herbivory
- Library Collection RecordHamilton and Frank performed a 13C pulse-chase experiment on a common grazing tolerant grass, Poa pratensis, of Yellowstone National Park, to follow carbon flow into the soil rhizosphere and…Publication Date 1969
- grazing
- herbivory
- nitrogen
- Poa pratensis
- grassland
- microbe
- Yellowstone National Park
- Library Collection RecordIn this study, Gough and Grace studied plant community responses to fertilization and herbivory in Louisiana brackish and freshwater marshes. Species density was greater in plots that were grazed…Publication Date 1969
- biomass
- fertilization
- herbivory
- Nutria
- nutrients
- productivity
- species diversity
- coastal marsh
- diversity
- Myocastor coypus
- Sagittaria lancifolia
- Scirpus americanus
- Spartina patens
- Library Collection RecordThe authors observed the effects of small mammal grazing and herbivory by above- and below-ground invertebrates on plant species abundance and richness in the tallgrass prairie of Kansas. Small…Publication Date 1969
- herbivory
- invertebrates
- plant communities
- small mammals
- tallgrass prairie
- Library Collection RecordThis review examines the interactions between herbivores, plants, and climatic factors in arctic wetlands using, as a case study, results of research on grazing by snow geese (Chen caerulescens) on…Publication Date 1969
- herbivory
- grazing
- nitrogen
- plant production
- reproduction
- arctic ecosystems
- Chen caerulescens
- plant-herbivore interaction
- snow geese
- Library Collection RecordFecal analysis and direct grazing observations in salt marshes and pens indicated that feral horses on Assateague Island, Maryland selectively graze Spartina alterniflora and avoid Distichlis spicata…Publication Date 1969
- Distichlis spicata
- Spartina alterniflora
- halophytes
- herbivory
- plant competition
- Assateague Island
- salt marsh ecology
- Zonation
- Library Collection RecordThis Louisiana study was initiated using exclosures to determine whether mammalian herbivory by nutria (Myocastor coypus), muskrats (Ondatra zibethicus), and waterfowl had a measurable impact on the…Publication Date 1969
- Nutria
- Salix nigra
- Louisiana
- herbivory
- Ammania coccinea
- Cyperus difformis
- Eleocharis spp.
- muskrat
- Myocastor coypus
- Ondatra zibethicus
- plant biomass
- Sagittaria latifolia
- species composition
- Sphenoclea zeylandica
- Typha latifolia
- Library Collection RecordAt Texas A&M University Agricultural Research Station, Fuhlendorf and Smeins analyzed long-term (45-years) basal area dynamics of dominant graminoid species, across three grazing intensity…Publication Date 1969
- grazing
- herbivory
- stability
- climax community
- diversity
- scale
- succession
- vegetation model
- Library Collection RecordAuthors analyze a 44-year record of herbaceous vegetation change for three contrasting grazing regimes, within a semi-arid savanna, to evaluate the relative contribution of confined livestock grazing…Publication Date 1969
- climate
- grazing
- herbivory
- stability
- plant-animal interaction
- rangeland evaluation
- resilience
- state and transition model
- Vegetation Change
- vegetation monitoring
- Library Collection RecordIn this study, Frank and McNaughton tested the theory that herbivory would stimulate above-ground production by measuring the effects of elk (Cervus elaphus) and bison (Bison bison) grazing on plant…Publication Date 1969
- herbivory
- primary production
- grasslands
- Cervus elaphus
- bison
- Bison bison
- elk
- Yellowstone National Park
- Library Collection RecordBaldwin states that because of the experimental advantages that they offer, mechanical simulations of grazing are more commonly used than true herbivory in ecological studies of the impact of…Publication Date 1969
- grazing
- herbivory
- clipping
- mechanical herbivory simulations
- plant responses
- Library Collection RecordBy analyzing herbivore systems at different levels, Brown and Allen have complicated the meaning of the term compensation that its usefulness might be called into question. However, those…Publication Date 1969
- compensatory growth
- herbivory
- hierarchical approach
- level of organization
- overcompensation
- plant-herbivore interaction
- Library Collection RecordResearches at the Edwards Plateau Land Resources Area in Texas clipped target plants (selective grazing), target plants and 5 nearest neighbors (uniform grazing), or neighbors only, in areas…Publication Date 1969
- Bouteloua curtipendula
- herbivory
- population structure
- selective grazing
- grassland
- plant-animal interaction
- tiller demography
- Library Collection RecordIn 1969, grazing was excluded from the Appleton-Whittell Research Ranch after over a century of historic grazing. Researchers then compared vegetation in 1969 to current vegetation on the ranch, and…Publication Date 1969
- herbivory
- rest
- diversity
- plant-herbivore relationships
- vegetation cover
- Library Collection RecordThe effects of fall and spring grazing by sheep on cover components and recovery following a change in seasonality of grazing practices, were studied within long-term grazing treatments of three-tip…Publication Date 1969
- sheep
- herbivory
- Artemisia tripartita
- grazing season
- rangeland indicators
- resilience
- three-tip sagebrush
- Library Collection RecordTo determine the effects of competition and herbivory on plant growth in plant communities with low, medium or high levels of biomass, target plants were transplanted to plots with and without…Publication Date 1969
- herbivory
- Ontario
- Poa compressa
- Canada
- Aboveground Biomass
- competition
- old field
- plant growth
- population regulation
- Library Collection RecordIpomopsis aggregata exhibits substantial powers of regrowth following removal of its primary shoot by herbivores, but Bergelson and Crawley found no evidence of overcompensation in several studies: 1…Publication Date 1969
- herbivory
- regrowth
- Exclosure
- Ipomopsis aggregata
- overcompensation
- Rocky Mountains
- scarlet gilia
- simulated herbivory
- Library Collection RecordIn this Indiana greenhouse study, Benner found that total seed weight per Thlaspi arvense plant was higher for early-removal plants than late removal, under all nutrient treatments, but intact…Publication Date 1969
- herbivory
- seed production
- apex removal
- garlic weed
- mineral nutrient addition
- stinkweed
- Thlaspi arvense
- Library Collection RecordIn this article, Belsky states that if overcompensation in total productivity is ever found in natural communities, it will most probably be found in moderately grazed wetlands such as the ones…Publication Date 1969
- herbivory
- community
- ecosystem
- natural communities
- organism scales
- overcompensation
- Library Collection RecordBeever et al. modeled the impacts of cattle and burros grazing on soil and vegetation in the Mojave National Preserve among years and environmental gradients. Soil aggregate stability increased as…Publication Date 1969
- herbivory
- biological invasions
- hierarchical linear models
- information theoretic analysis
- Mojave Desert
- non-native plants
- Schismus barbatus
- soil-aggregate stability
- Library Collection RecordCurrent disturbance models (predation hypothesis, intermediate-disturbance hypothesis, and the Huston hypothesis) do not adequately account for the wide range of responses by grassland plants…Publication Date 1969
- grazing
- herbivory
- evolutionary history of grazing
- grassland community structure
- grazing model
- Huston hypothesis
- intermediate-disturbance hypothesis
- moisture
- predation hypothesis
- Library Collection RecordPlants that overcompensate for herbivory are relatively healthier when damaged. In this mutualistic association, the herbivore benefits from the plant, and the plant benefits from the herbivore…Publication Date 1969
- herbivory
- mutualism
- overcompensation
- plant defense