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Life Sciences Commons

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Plant Sciences

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Ecology

Publication Year

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Full-Text Articles in Life Sciences

Soil Moisture Responses In Traditional And Drought Adapted Landscapes In The Intermountain West, James Gregory Dec 2008

Soil Moisture Responses In Traditional And Drought Adapted Landscapes In The Intermountain West, James Gregory

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Water conservation in the Intermountain West will be an important issue in the future as population and demand for limited water resources increases. In Utah, outdoor water use accounts for up to 60% of total per capita water use with 67% of that outdoor water being used to irrigate non native plant species to maintain a uniform green appearance. The objective of this study was to measure intra landscape changes in soil water potential during a 21.5 day dry down from DOY 215 to 236.5 in the summer of 2005 and 2006. Four, 2 x 2 replicated traditional and drought …


Vascular Plant Species Richness And Distribution In A Heterogeneous Landscape, Kelly J. Mccloskey May 2006

Vascular Plant Species Richness And Distribution In A Heterogeneous Landscape, Kelly J. Mccloskey

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The distribution of vascular plant species and species richness in a mid-elevation Rocky Mountain landscape can be attributed to a number of variables. The distribution of species with respect to physiognomic type, patch size, shape, and environmental heterogeneity was assessed for a mosaic landscape comprised of conifer forest, deciduous forest, and shrub-steppe physiognomic types in the southwest comer of Grand Teton National Park, Wyoming. This vegetation is representative of that found in other montane landscapes of the central Rocky Mountains. The vegetation was mapped to physiognomic type; distinct vegetation patches were sampled using one or more small (50 m2 …