Search Results for the EPA National Library Catalog

Items Found: 34

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Your Search: (SUBJECT=Grassland ecology Colorado.)


Select Item Title Year Published
1970 meteorological data availability for the Pawnee site / 1971
1970-1971 soil movement at the Pawnee intensive site / 1972
Abundance and biomass of soil macroinvertebrates of the Pawnee site collected from pastures subjected to different grazing presures, irrigation and/or nitrogen fertilization, 1970-1971 / 1973
Avian distribution and population fluctuations on the shortgrass prairie of north central Colorado / 1970
Biological productivity of snakes of the Pawnee site, 1970-1971 / 1972
Dietary and energy relationships of jackrabbits at the Pawnee site / 1969
Dispersion and dispersal of white-tailed and black-tailed jackrabbits, Pawnee National Grasslands / 1971
Effect of insect predators and parasites on grass feeding insects, Pawnee site / 1970
Effects of environmental stresses on a shortgrass prairie ecosystem, 1970 and 1971 / 1973
Effects of water and nitrogen stresses on a shortgrass prairie ecosystem / 1973
Food consumption and feeding rates in the lark bunting / 1973
Growing season precipitation records, Central Plains Experimental Range A.R.S., Nunn, Colorado / 1971
Growth, density, and biomass of grasshoppers in the shortgrass and mixed-grass associations / 1973
Habitat exploitation by an avian ground-foraging guild / 1974
Herbage dynamics on the Pawnee site : aboveground and belowground herbage dynamics on the four grazing intensity treatments : and preliminary sampling on the ecosystem stress site / 1971
Hydrologic data, 1970, Pawnee grasslands / 1971
Leaf area dynamics on the Pawnee Grassland, 1970-1971 / 1972
Measurement of the energy status of water in a grassland ecosystem / 1971
Meteorological characteristics over the grassland biome's Pawnee site / 1973
Meteorological instrumentation, data, and data analysis, 1971 / 1972
Microbial decomposer activities at the Pawnee site: integration of experimental approaches with program modelling requirements / 1971
Pawnee site microwatersheds : selection description and instrumentation / 1969
Population densities and biomass of aboveground arthropods under various grazing and environmental stress treatments on the Pawnee site / 1972
Sampling insect populations by sweep net on the Pawnee site / 1970
Secondary productivity below ground in Pawnee grassland / 1972
Soil nutrient-plant nutrient relationships at the Pawnee site / 1971
Soil water phenomena of a shortgrass prairie site / 1974
Some measurements of vegetation structure on the Pawnee Grassland, 1970 / 1971
Summary report on initial small-herbivorous-mammal modeling efforts, Pawnee Site, Grasslands Biome / 1970
Systems analysis of decomposer functions in the grassland ecosystem / 1972
The design of a spatial data framework Central Basin watershed, Pawnee Site / 1971
The ecological effects of the western harvester ant (Pogonomyrmex occidentalis) in the shortgrass plains ecosystem / 1972
The effects of environmental stresses on growth of blue grama (Bouteloua gracilis) in environmental control growth chambers / 1973
The photosynthetic pathway type of North American shortgrass prairie species and some ecological implications / 1973

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