Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Displaying 1 - 50 of 206 results
- Library Collection RecordThe interaction of nutria herbivory with fire was investigated on three types of marshes along the Pearl River basin in Gulf Coast of Louisiana. In each marsh, two, 10 m² plots were established in…Publication Date 1969
- herbivory
- plant cover
- Nutria
- coastal marsh
- fire
- plant biomass
- Species Density
- Library Collection RecordHow vertebrate herbivores, especially nutria and wild boar, alter soil and plant characteristics over time was investigated during three summers in the Pearl River basin in southern Louisiana along…Publication Date 1969
- Nutria
- Wild boar
- Sus scrofa
- herbivory
- coastal wetlands
- habitat destruction
- Myocastor coypus
- Soil Development
- wetland loss
- Library Collection RecordThis is a summary of 171 papers on livestock grazing in the West.Publication Date 1969
- biodiversity
- alteration of ecosystem structure
- ecosystem functioning
- livestock grazing
- riparian habitats
- species composition
- Western United States
- Library Collection RecordThe effects of herbivory by waterfowl and nutria were measured because of vegetation loss in Sagittaria spp. dominated marshes along the coast of Louisiana. One set of study plots was set up on…Publication Date 1969
- Nutria
- biomass
- waterfowl
- coastal marsh
- muskrat
- Myocastor coypus
- Ondatra zibethicus
- Sagittaria latifolia
- Sagittaria platyphylla
- species composition
- Library Collection RecordThe effect of different grazing intensities (no grazing, light, moderate, and heavy) of Black Brant (Branta bernicla) gosling on grazing lawns planted to Carex subspathacea and native slough levees (…Publication Date 1969
- herbivory
- grazing intensity
- black brant geese
- Branta bernicla nigricans
- Carex subspathacea
- forage availability
- foraging efficiency
- Triglochin palustris
- Library Collection RecordTo estimate lesser snow geese populations and determine the effects of geese herbivory along the Hudson Bay in the Northwest Territories, nesting and population surveys were conducted along with…Publication Date 1969
- Hudson Bay
- Chen caerulescens caerulescens
- fen
- grubbing
- lesser snow geese
- species composition
- Library Collection RecordHow Carex density is affected by lesser snow geese grazing was measured in salt and freshwater marshes along La Pérouse Bay in Manitoba, Canada (58° 04' N, 94° 03' W). Carex shoots…Publication Date 1969
- herbivory
- Sedges
- alternative vegetation states
- moss carpets
- shoot-pulling
- Library Collection RecordHow Carex leaf production and longevity are affected by grazing was measured in freshwater marshes along La Pérouse Bay in Manitoba, Canada (58° 04' N, 94° 03 'W). Carex x…Publication Date 1969
- herbivory
- Carex x flavicans
- Chen caerulescens caerulescens
- leaf demography
- lesser snow goose
- saltmarsh
- Library Collection Record: In the summer of 1994, five narrowleaf cottonwood stands in northeastern Yellowstone National Park were measured for the effects of elk herbivory. These stands were dated by photographs from…Publication Date 1969
- Cervus elaphus
- browsing
- herbivory
- elk
- narrowleaf cottonwood
- Populus augustifolia
- Yellowstone National Park
- Library Collection RecordDuring the summer of 1985, the effects of browsing by beaver were studied at two beaver ponds in Minnesota (46°50’N, 92°11’W). Pond one (colonized from 1980-1985) was located on a…Publication Date 1969
- Trembling aspen
- Populus tremuloides
- biomass
- beaver
- beaver ponds
- Castor canadensis
- selective herbivory
- species composition
- stem diameter
- Library Collection RecordThis article is a summary of the authors' previous work on how beaver influence the environment around them combined with 28 studies by other researchers.Publication Date 1969
- boundaries
- herbivory
- beaver
- Castor canadensis
- patches
- Library Collection RecordThe effects of moose (Alces alces) browsing on nitrogen concentrations and decomposition rates of paper birch (Betula resinifera) leaf litter were measured in a subarctic headwater stream near…Publication Date 1969
- herbivory
- aquatic food webs
- browse chemistry
- invertebrate utilization
- tannin levels
- Library Collection RecordThe effects of goose grubbing on willow habitat, leaf characteristics, and phenology were examined in the salt marshes of La Pérouse Bay in northern Manitoba (58° 56’ N, 93° 30â€â…Publication Date 1969
- herbivory
- salinity
- soil water
- Chen caerulescens caerulescens
- La Perouse Bay
- lesser snow goose
- simulated grubbing
- Library Collection RecordThe growth form and vegetative characteristics of willows (Salix spp.), on the winter range in Rocky Mountain National Park, changed dramatically in response to protection from elk (Cervus elaphus)…Publication Date 1969
- Cervus elaphus
- herbivory
- Salix
- alternative stable states
- Rocky Mountain National Park
- stem morphology
- Library Collection RecordThis article presents arguments against using utilization limits as the only management tool to base decisions on.Publication Date 1969
- grazing
- utilization
- herbivory
- management
- grazing strategies
- North American rangelands
- riparian ecosystems
- Library Collection RecordThe effects of grazing on vegetation and soils were examined in two different ecosystems, the sagebrush steppe in the northwestern United States and the Patagonia steppe located in southern Argentina…Publication Date 1969
- consumption
- grazing
- primary production
- Aridity gradients
- ecosystem structure and function
- generalist herbivores
- graminoid nutritional quality
- Patagonia
- plant traits
- sagebrush steppe
- species composition
- Library Collection RecordMoose (Alces alces) herbivory was assessed in relation to population parameters of both Balsam fir (Abies balsamea) and moose populations on Isle Royale National Park, Michigan (47° 55' N,…Publication Date 1969
- balsam fir
- Abies balsamea
- moose
- browsing
- foraging
- herbivory
- Alces alces
- boreal
- Conifer
- Isle Royale National Park
- Library Collection RecordA five year study examined the effects of browsing by wildlife and domestic sheep on the structure, growth and reproduction of two common willow species (Salix boothii, and S. geyeriana) along Upper…Publication Date 1969
- herbivory
- Booths willow
- Geyer willow
- large mammals
- northeast Oregon
- wild ungulate versus sheep browsing
- willows
- Library Collection RecordEstimated field data was used in the development of a model to test the prediction that herbivory can result in grazing optimization. The 35 years of field data was collected on the savanna of Lamto…Publication Date 1969
- herbivores
- primary production
- herbivory
- Nitrogen cycle
- grazing equilibrium
- grazing model
- grazing optimization
- herbivore pathway
- nitrogen budget
- nutrient cycling
- plant pathway
- savanna
- Library Collection RecordRange condition, vegetation production, composition, and cover were compared between lightly and moderately grazed rangelands in the Chihuahuan Desert in southwestern New Mexico to determine if these…Publication Date 1969
- stocking rate
- livestock
- range management
- utilization
- arid lands
- range condition
- species composition
- Library Collection RecordThe effects of excluding grazing by lesser snow geese (Anser caerulescens caerulescens) on the salt marsh at La Perouse Bay, Manitoba on species composition, live standing crop and plant litter have…Publication Date 1969
- grazing
- Anser caerulescens caerulescens
- Carex subspathacea
- exclosures
- lesser snow geese
- Plantago maritima
- Potentilla egedii
- Puccinellia phryganodes
- salt marsh
- species composition
- Library Collection RecordEffects of elk browsing on willows following simulated beaver use were examined to determine if heavy elk browsing on riparian willows was causing the beaver population to decline. This three year…Publication Date 1969
- compensatory growth
- Cervus elaphus
- herbivory
- livestock
- willow
- beaver
- Castor canadensis
- elk
- plant-herbivore interactions
- Rocky Mountain National Park
- Salix monticola
- standing crop
- ungulate
- Library Collection RecordA field observation trail and a cafeteria feeding experiment using pure and hybrid cottonwood (Populus sp.) trees of known genotype were used to determine if there was a link between the tannins…Publication Date 1969
- Chemistry
- genetics
- cottonwoods
- Populus
- genetic markers
- herbivory
- hybridization
- Phytochemistry
- tannins
- beaver
- Castor canadensis
- ecological genetics
- selective
- terrestrial-aquatic linkages
- Library Collection RecordThe impacts of light and moderate cattle grazing on vegetative cover and species composition in areas surrounding cold-water springs on three watersheds on the Sierra Foothill Research and Extension…Publication Date 1969
- grazing
- cover
- creek
- riparian
- species composition
- watershed
- Library Collection RecordA two year study was conducted in Newfoundland on the Gros Morne National Park, a boreal ecosystem, to determine the level of susceptibility to invasion and if any kind of disturbance would cause…Publication Date 1969
- soil pH
- herbivory
- forests
- boreal ecosystem
- disturbance
- human activity
- natural areas
- weed spread
- Library Collection RecordEstablishment and survival of five weeds were examined across a gradient from uplands to lowlands with 5 combinations of disturbances (long-term grazed, and grazed during experiment, long-term grazed…Publication Date 1969
- herbivory
- compensatory growth
- Cirsium arvense
- disturbance
- establishment
- Kochia scoparia
- landscape topography
- Lepidium densiflorum
- Salsola iberica
- Sisymbrium altissimum
- Library Collection RecordIn this study, Valone measured the effects of fire and grazing, alone and in combination, in an arid Arizona plant community. The combination of grazing and burning enhanced annual plant species…Publication Date 1969
- disturbance frequency
- disturbance intensity
- free-range grazing
- prescribed fire
- species composition
- species richness
- synergistic effects
- Library Collection RecordJohn and Turkington investigated the impact of nutrient addition and mammalian exclosures on the above-ground biomass and species composition of the understory vegetation of the boreal forest of…Publication Date 1969
- herbivory
- Boreal Forest
- herbaceous vegetation
- Lepus americanus
- nutrient addition
- snowshoe hare cycle
- Library Collection RecordEdwards studied the effects of grazing by moose (Alces alces andersoni) on the demography of the perennial herb (Aralia nudicaulis), an important component of the herbaceous flora in the boreal…Publication Date 1969
- moose
- grazing
- herbivory
- Alces alces andersoni
- Aralia nudicaulis
- flower production
- fruit production
- leaf production
- Library Collection RecordLesser snow goose (Chen caerulescens caerulescens) grazing has been found to increase net annual primary production (NAPP) in arctic salt marshes. Bazely and Jefferies measured the effects of lesser…Publication Date 1969
- herbivory
- arctic salt marsh
- Chen caerulescens caerulescens
- La Perouse Bay
- lesser snow goose
- net annual primary production
- Library Collection RecordAuthors used a multiscale approach by studying the effects of soil type/fertilizer, burning, or mowing on species composition within both large- (10,000 m2) and small-scale (100 m2) experimental…Publication Date 1969
- burning
- classification
- mowing
- soil
- grassland
- species composition
- Library Collection RecordThis study evaluated the effects of simulated herbivory on the ability of a freshwater marsh plant to recover from temporary saltwater intrusion such as can be caused by tropical storms. This…Publication Date 1969
- herbivory
- grazing
- Nutria
- tolerance
- coastal marshes
- Myocastor coypus
- Sagittaria lancifolia
- saltwater intrusion
- Library Collection RecordMulder and Harmsen evaluated the growth response of an arctic legume (Oxytropis viscida) to grazing by muskoxen (Ovibos moschatus) on Banks Island, N.W.T. Results showed that removal of…Publication Date 1969
- Ovibos moschatus
- herbivory
- growth
- reproduction
- mortality
- biomass
- arctic legume
- muskox
- Oxytropis viscida
- Library Collection RecordThis review was based on Paige and Whitman (1987), who showed that browsed plants of Ipomopsis aggregata had greater seed production than unbrowsed plants, which supports Owen and Wiegert's (…Publication Date 1969
- herbivory
- seed production
- grazing
- apical dominance
- competition
- Ipomopsis aggregata
- Library Collection RecordIn 1987 and 1988, exclosures in arctic grasslands (dominated by Puccinellia phryganodes and Carex subspathacea, with sub-dominants of Calamagrostis deschampsioides and Festuca rubra under Salix spp…Publication Date 1969
- herbivory
- arctic coastal graminoids
- growth of forage species
- lesser snow geese
- Library Collection RecordExclosures and artificial beaver dams were used to determine the cause of willow (Salix spp.) declines in Rocky Mountain National Park, Colorado. Elk (Cervus elaphus) herbivory reduced annual growth…Publication Date 1969
- Cervus elaphus
- willow
- Colorado
- grazing
- herbivory
- hydrology
- elk
- Rocky Mountain National Park
- Salix spp.
- Library Collection RecordZacheis et al. determined that litter accumulation was the major factor affecting nitrogen cycling in the goose (Anser caerulescens caerulescens and Branta canadensis)-grazed Susitna Flats of Alaska…Publication Date 1969
- herbivory
- nitrogen fixation
- nitrogen mineralization
- trampling
- organic nitrogen
- Library Collection RecordZacheis et al. measured the impacts of goose (Anser caerulescens caerulescens) herbivory in plots that were exposed to herbivory for 0, 3 or 6 hours, with or without feces deposited during that time…Publication Date 1969
- Alaska
- herbivory
- Carex ramenskii
- forage quality and availability
- foraging intensity
- Triglochin maritimum
- Library Collection RecordFor 3 years, Zacheis et al. measured the effects of annual browsing by migrating snow (Anser caerulescens caerulescens) and Canadian geese (Branta canadensis) on two vegetation communities, the herb…Publication Date 1969
- herbivory
- Canada goose
- Carex ramenskii
- Plantago maritima
- Potentilla egedii
- snow goose
- Triglochin maritimum
- Library Collection RecordYeo et al. examined cattle grazing behavior and vegetation measurements to determine the effects of implementing a rest-rotation grazing system on federally owned grazing allotments in Idaho. Cattle…Publication Date 1969
- grazing management
- grazing allotments
- plant community composition
- range condition
- species composition
- wildlife forage
- Library Collection RecordTwenty-five ungulate exclosures were established in Olympic National Park and Olympic National Forest in the 1930's and 1950's. Information from earlier studies and resampled vegetation (…Publication Date 1969
- Cervus elaphus
- Odocoileus hemionus
- black-tailed deer
- elk
- exclosures
- native ungulates
- Olympic National Park
- species composition
- Library Collection RecordWinter et al. measured the effects of prairie dog herbivory and soil disturbance on vegetation composition and cover at random and shortgrass prairie sites. In general, vegetation composition and…Publication Date 1969
- herbivory
- bare ground
- black-tailed prairie dog
- cover
- Cynomys ludovicianus
- frequency
- soil disturbance
- Library Collection RecordThe total biomass response of Stipa occidentalis to elevated CO2 was similar (averaging 18% increase in biomass) to the response found for other grassland species. However, the increase in total…Publication Date 1969
- grazing
- herbivory
- grasslands
- CO2 enrichment
- global change
- Stipa occidentalis
- Yellowstone National Park
- Library Collection RecordIn this study, authors used exclosures to determine the effects of continuous grazing at light, moderate, heavy and severe stocking rates, in Alberta rough fescue grasslands for 32 years. In…Publication Date 1969
- danthonia parryi
- Exclosure
- Festuca scabrella
- parry oat grass
- recovery
- species composition
- Library Collection RecordAuthors examined vegetation, surface seed and soil seed bank composition in rough fescue grasslands under grazing intensities, varying from no grazing to heavy grazing. Seeds in the soil were least…Publication Date 1969
- native species
- grazing intensity
- introduced species
- season
- seed bank
- soil depth
- species composition
- Library Collection RecordOver 4 years, Willms et al. compared vegetation in overgrazed and undergrazed patches, in rough fescue grasslands. Overgrazed patches were dominated by grazing-resistant seral species, while…Publication Date 1969
- organic matter
- grazing pressure
- Herbage Yield
- patches
- spatial stability
- species composition
- Library Collection RecordWikeem and Pitt determined utilization and vegetation responses of areas grazed by California bighorn sheep in British Columbia. Bighorn sheep diets consisted mostly of grasses. Although their…Publication Date 1969
- diet composition
- Ovis canadensis californiana
- plant community composition
- plant vigor
- range condition
- species composition
- Library Collection RecordIn this Maryland study to simulate deer browsing, Whigham quantified the temporal effects of annual experimental defoliation on the growth rate of leaves and belowground corms, on senescence of corms…Publication Date 1969
- herbivory
- reproduction
- Orchidaceae
- defoliation
- biomass allocation
- Tipularia discolor
- woodland herb
- woodland orchid
- Library Collection RecordFrom the time they initially colonize new areas, prairie dogs disturb grasslands by burrowing and grazing, thereby creating large patches of altered vegetation in the landscape. In this South Dakota…Publication Date 1969
- above-ground net primary production
- black-tailed prairie dogs
- Cynomys ludovicianus
- disturbance
- mixed-grass prairie
- N concentration
- species composition
- Library Collection RecordThis is a summary of research conducted on goose grazing and attempts to answer whether herbivory can benefit plants. Grazing has immediate effects, such as removing older tissue and reducing self-…Publication Date 1969
- selection
- herbivory
- Carex subspathacea
- Chen caerulescens caerulescens
- lesser snow goose
- Pucinellia phryganodes