Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Grassland ecology)


 
 
 
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Grassland ecology 1971
Grassland ecosystems of the world : analysis of grasslands and their uses 1979
Grassland infiltration phenomena / 1970
Grassland simulation model 1978
Grasslands : toward a North American conservation strategy / 2003
Grasslands of northeastern North America : ecology and conservation of native and agricultural landscapes / 1997
Growing season precipitation records, Central Plains Experimental Range A.R.S., Nunn, Colorado / 1971
Growth response of blue grama to thunderstorm rainfall / 1972
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 a mixed prairie grassland near Hays, Kansas / 1971
Herbage dynamics on a mixed prairie grassland, 1968-1970 / 1972
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
Herbage dynamics studies at the Pantex site / 1971
Herbage dynamics studies at the Pantex site, 1971 / 1972
Herbage dynamics studies at the Pantex site, 1972 / 1974
Hydrologic data, 1970, Pawnee grasslands / 1971
Impact of water level changes on woody riparian and wetland communities. Vol. VI. Plains grassland region / 1978
Influence of environmental factors on the respiration rate of grassland soils--a model / 1973
Insect population studies / 1971
Insect population studies on the Pantex site, 1970-1971 / 1972
Insect studies at the Osage comprehensive site, 1971 season / 1972
Insect studies on the Ale Reserve, 1972 / 1973
Invertebrate studies at the Jornada site, 1972 / 1974
Leaf area dynamics on the Pawnee Grassland, 1970-1971 / 1972
Measurement of the energy status of water in a grassland ecosystem / 1971
Memoranda of agreement and procedures for working on federal lands of the USDA / 1970
Meteorological characteristics over the grassland biome's Pawnee site / 1973
Meteorological instrumentation, data, and data analysis, 1971 / 1972
Microbial biomass measurements at the Pantex site, 1970 / 1971
Microbial decomposer activities at the Pawnee site: integration of experimental approaches with program modelling requirements / 1971
Microbiological studies at the Osage site, 1970 / 1971
Microbiological studies at the Pantex Site, 1971 / 1972
Multivariate normal data generator / 1971
Osage site, 1970 report, primarey production / 1971
Pawnee site microwatersheds : selection description and instrumentation / 1969
Perspectives in grassland ecology : results and applications of the US/IBP Grassland Biome study / 1979
Photosynthesis of shortgrasses under field conditions / 1969
Pilot analysis of global ecosystems. Grassland ecosystems / 2000
Population densities and biomass of aboveground arthropods under various grazing and environmental stress treatments on the Pawnee site / 1972
Populations and trophic structure of a desert grassland invertebrate community / 1974
Predictability of patterns and variability of precipitation in grasslands / 1972
Preliminary producer data synthesis, 1970 comprehensive network sites / 1972
Primary producers, invertebrates, birds, and decomposers on the Jornada site, 1971 / 1972
Primary production on the Jornada site for 1972 / 1974
Primary productivity an abiotic studies at the Dickinson site, 1970 season / 1971
Primary productivity of the fescue grassland in western Montana / 1971
Remote spectral measurements as a method for determining plant cover / 1972
Response patterns of Bouteloua gracilis leaf water potential, measured with the thermocouple psychrometer / 1974
Sampling insect populations by sweep net on the Pawnee site / 1970
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