Publications
Found 130 results
Productivity patterns of C-3 and C-4 functional types in the US Great Plains. ECOLOGY 78:722-731.
. 1997. . 1997.
Ecological responses of dominant grasses along two climatic gradients in the great plains of the United States. JOURNAL OF VEGETATION SCIENCE 7:777-788.
. 1996. Recovery of vegetation in a semiarid grassland 53 years after disturbance. ECOLOGICAL APPLICATIONS 6:538-555.
. 1996. . 1996.
EFFECTS OF CULTIVATION AND ABANDONMENT ON SOIL ORGANIC-MATTER IN NORTHEASTERN COLORADO. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 59:1112-1119.
. 1995. EVALUATION OF METHODS FOR ESTIMATING NET NITROGEN MINERALIZATION IN A SEMIARID GRASSLAND. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 59:831-837.
. 1995. INFLUENCE OF MACROCLIMATE, LANDSCAPE POSITION, AND MANAGEMENT ON SOIL ORGANIC-MATTER IN AGROECOSYSTEMS. ECOLOGICAL APPLICATIONS 5:124-131.
. 1995. INTERACTIONS BETWEEN INDIVIDUAL PLANT-SPECIES AND SOIL NUTRIENT STATUS IN SHORTGRASS STEPPE. ECOLOGY 76:1116-1133.
. 1995. NITROGEN MINERALIZATION IN NATIVE CULTIVATED AND ABANDONED FIELDS IN SHORTGRASS STEPPE. PLANT AND SOIL 171:203-208.
. 1995. Regional climatic similarities in the temperate zones of North and South America. JOURNAL OF BIOGEOGRAPHY 22:915-925.
. 1995. SOIL ORGANIC-MATTER RECOVERY IN SEMIARID GRASSLANDS - IMPLICATIONS FOR THE CONSERVATION RESERVE PROGRAM. ECOLOGICAL APPLICATIONS 5:793-801.
. 1995. INTEGRATED MODELING OF LAND-USE AND COVER CHANGE. BIOSCIENCE 44:350-356.
. 1994. SPATIAL PATTERNS OF ROOTS IN A SEMIARID GRASSLAND - ABUNDANCE OF CANOPY OPENINGS AND REGENERATION GAPS. JOURNAL OF ECOLOGY 82:485-494.
. 1994. TERRESTRIAL CARBON POOLS - PRELIMINARY DATA FROM THE CORN-BELT AND GREAT-PLAINS REGIONS. 179-191 in DEFINING SOIL QUALITY FOR A SUSTAINABLE ENVIRONMENT. SOIL SCI SOC AMER; AMER SOC AGRON; N CENT REG COMM SOIL ORGANIC MATTER677 S SEGOE RD, MADISON, WI 53711.
. 1994. WHAT DO LTER RESULTS MEAN - EXTRAPOLATING FROM SITE TO REGION AND DECADE TO CENTURY. ECOLOGICAL MODELLING 67:19-35.
. 1993. AN APPROACH TO ASSESSMENT OF MANAGEMENT IMPACTS ON AGRICULTURAL SOIL CARBON. WATER AIR AND SOIL POLLUTION 64:423-435.
. 1992. . 1991.
NET EROSION ON A SAGEBRUSH STEPPE LANDSCAPE AS DETERMINED BY CESIUM-137 DISTRIBUTION. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 55:254-258.
. 1991. REGIONAL-ANALYSIS OF THE CENTRAL GREAT-PLAINS - SENSITIVITY TO CLIMATE VARIABILITY. BIOSCIENCE 41:685-692.
. 1991. DIFFUSION OF SOIL EXTRACTS FOR NITROGEN AND N-15 ANALYSES BY AUTOMATED COMBUSTION MASS-SPECTROMETRY. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 54:1190-1192.
. 1990. IMPACTS OF CROPPING INTENSITY ON CARBON AND NITROGEN MINERALIZATION UNDER NO-TILL DRYLAND AGROECOSYSTEMS. AGRONOMY JOURNAL 82:1115-1120.
. 1990. REGIONAL MODELING OF GRASSLAND BIOGEOCHEMISTRY USING GIS. LANDSCAPE ECOLOGY 4:45-54.
. 1990. CONTROL OF NITROGEN MINERALIZATION IN A SAGEBRUSH STEPPE LANDSCAPE. ECOLOGY 70:1115-1126.
. 1989. ESTIMATING BIOGEOCHEMICAL FLUXES ACROSS SAGEBRUSH-STEPPE LANDSCAPES WITH THEMATIC MAPPER IMAGERY. REMOTE SENSING OF ENVIRONMENT 28:121-&.
. 1989.