Results 171 to 180 of about 7,072 (205)
Weak effect of climate variability on coexistence in a sagebrush steppe community
Ecology, 2009 Climate variability, which is expected to increase in the future, can promote coexistence through a mechanism called the storage effect. Currently, we have little understanding of how the importance of the storage effect varies among ecosystems. We tested for the three conditions of the storage effect in a sagebrush steppe plant community in Idaho (USA)
Peter Adler +2 more
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LiDAR measurement of sagebrush steppe vegetation heights
Remote Sensing of Environment, 2006Small footprint LiDAR data were used to detect and characterize vegetation in a semi-arid sagebrush steppe environment in southeastern Idaho. Processing the raw data in individual flightlines maintained the high relative accuracy of the data set and allowed for the detection of sub-meter vegetation.
Nancy F Glenn
exaly +2 more sources
Frost Dynamics of Sagebrush Steppe Soils
Soil Science Society of America Journal, 2016Core Ideas Rangeland restoration seedings may sometimes fail due to frost damage. Seed coatings could delay seed germination until spring.
Bruce A. Roundy, Matthew D. Madsen
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Oxalate-metabolizing microorganisms in sagebrush steppe soil
Biology and Fertility of Soils, 1994Oxalate metabolization by soil microorganisms was assessed using a calcium oxalate clearing medium and14CO2 release from [14C]-oxalate. Three saprophytic fungi, two bacteria, and one actinomycete tested produced14CO2 when grown in culture with [14C]-oxalate, yet failed to test positive for oxalate degradation using a calcium-clearing medium.
Sherri J. Morris, Michael F. Allen
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Erosion Response of a Disturbed Sagebrush Steppe Hillslope
Journal of Environmental Quality, 1993AbstractLand management activities that disrupt surface vegetation cover pose a serious threat to the long‐term stability of buried‐waste sites located within the semiarid sagebrush (Artemisia tridentata Nutt.) steppe region of the northwestern USA. In this study, we evaluated the erosion response of a sagebrush hillslope subjected to three vegetation ...
Bruce F. Goff +2 more
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The effects of precipitation timing on sagebrush steppe vegetation
Journal of Arid Environments, 2006Abstract Changes in precipitation patterns and inputs have the potential to cause major changes in productivity, composition, and diversity of terrestrial plant communities. Vegetation response to altered timing of precipitation was assessed during a 7-year experiment in an Artemisia tridentata spp.
J.D. Bates +3 more
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Organic matter turnover in a sagebrush steppe landscape
Biogeochemistry, 1989Laboratory incubations of15N-amended soils from a sagebrush steppe in south-central Wyoming indicate that nutrient turnover and availability have complex patterns across the landscape and between microsites. Total and available N and P and microbial C and N were highest in topographic depressions characterized by tall shrub communities. Net and gross N
IngridC. Burke +2 more
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Effects of Habitat Disturbances on Reptiles in Sagebrush Steppe
2022Reptiles inhabiting shrub-steppe ecosystems of the Intermountain West have adapted to harsh, unpredictable desert conditions, yet recent changes in disturbance regimes may put species at risk. In southwest Idaho, cheatgrass (Bromus tectorum) has altered the fire regime resulting in a vast conversion of shrub-steppe to mostly ...
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Measuring Plant Cover in Sagebrush Steppe Rangelands: A Comparison of Methods
Environmental Management, 2006Methods that are more cost-effective and objective are needed to detect important vegetation change within acceptable error rates. The objective of this research was to compare visual estimation to three new methods for determining vegetation cover in the sagebrush steppe. Fourteen management units at the US Sheep Experiment Station were identified for
Steven S, Seefeldt, D Terrance, Booth
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