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This dataset represents the prevalence of non-native vegetation species as mapped along the Colorado River bottomland from the Colorado state line (San Juan and Grand Counties, Utah) to the southern Canyonlands NP boundary, as of September 2010. This mapping was conducted as part of the Colorado River Conservation Planning Project, a joint effort between the National Park Service, The Nature Conservancy, US Geological Survey, Bureau of Land Management, and Utah Forestry Fire and State Lands.
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This is a habitat suitability model riparian understory species in the Colorado River bottomland in Utah. The model incorporates the density of shrubs, the number of shrub species present, and the stillness of adjacent water. A penalty value is applied to represent tamarisk abundance as a potential risk to habitat quality.
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A model of natural recovery potential is presented along with component layers (overbank flow, abundance of native and non-native cover types) and assigned values, plus associated layers of bottomland boundaries, and the river channel at low flow (2010).
This is a habitat suitablilty map and component layers estimating bat watering habitat on the Colorado River bottomland in Utah during high flow conditions. The model combines the presence of prefered slow water channel types (backwaters, isolated pools and tributary mouths), with cover types amenable to bat overflights and drinking 'on-the-wing'. See Open File Report, Rasmussen and Shafroth, Colorado River Conservation Planning for geoprocessing details. For more detailed information, please visit this project's ScienceBase landing page at https://doi.org/10.5066/P927I36K, or the final report for this project at https://www.coloradomesa.edu/water-center/documents/rasmussen_shaftroth_2016_watercenter_cmu.pdf.
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This dataset represents vegetation communities, river channel and bare areas (often sand bars) mapped along the Colorado River bottomland in Utah, as of September 2010. Dominant cover types were classified as 'open flight', based on height, and potential interference with bat flights over water sources. Traditional image interpretation cues were used to develop the polygons, such as shape, size, pattern, tone, texture, color, and shadow, from high resolution, true color, aerial imagery (0.3m resolution), acquired for the project. Additional, public available aerial photos (NAIP, 2011) were used to cross-reference cover classes. As with any digital layer, this layer is a representation of what is actually occurring...


map background search result map search result map Estimated Recovery Potential for Colorado River Bottomland Riparian Habitats Conservation Planning for the Colorado River in Utah - Areas Open for Flight for Bat Watering Model Conservation Planning for the Colorado River in Utah - Riparian Understory Model with Tamarisk Penalty Output Data for Colorado River in Utah Conservation Planning for the Colorado River in Utah - Density of Non-Native Species for Potential for Natural Recovery Model Conservation Planning for the Colorado River in Utah - Riparian Understory Model with Tamarisk Penalty Output Data for Colorado River in Utah Conservation Planning for the Colorado River in Utah - Density of Non-Native Species for Potential for Natural Recovery Model Conservation Planning for the Colorado River in Utah - Areas Open for Flight for Bat Watering Model Estimated Recovery Potential for Colorado River Bottomland Riparian Habitats