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This interactive web application viewer shows locations where the BLM collects information about vegetation and soils to help us understand and monitor the health of terrestrial ecosystems such as sagebrush-steppe.
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This web tool generates monitoring locations that are spatially balanced across a landscape. First, it will display your study area in the Plot tab. From there, you can request the number of spatially balanced points you wish to have created, by strata. Oversampled points can also be requested. After selecting 'generate points', the tool will create the points and display them for you, both in the plot, and in table format. Point coordinates in the table are in the same projection as your input dataset.
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This tool enables calculation of monitoring sample sufficiency based on observed and desired minimum detectable difference (MDD or effect size) from a set of sample data. This tool can also be used to estimate sample sizes necessary to meet monitoring objectives from pilot data.
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The Horwitz-Thompson Estimator tool can be used to produce indicator estimates from monitoring data. Estimates can be for 1) a study area without strata or 2) within a stratum. Sample points can be unweighted (most typical) or individually weighted (i.e., unequal probability sampling).
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The Escalante Watershed case study describes the application and integration of multi-scale geospatial data from the Colorado Plateau and Utah Landscape Assessment 2014 (Rapid Ecoregional Assessment or REA), Assessment, Inventory, and Monitoring (AIM), and Riparian Condition Assessment Tool (R-CAT) to help answer management questions. While REA provides broad-scale data and AIM provides field-scale point data, R-CAT, a geospatial tool designed at Utah State University, provides the middle ground reach-scale data. The Escalante watershed is a complex area with land managed by BLM, USFS, and NPS as well as privately owned land.


    map background search result map search result map BLM NOC Integrating Multiscale Assessment Data to Inform Resource Management: The Escalante Watershed Case Study Story Map BLM AIM Assessment, Inventory, and Monitoring Efforts to Date Interactive Map (Web Application Viewer) BLM NOC Integrating Multiscale Assessment Data to Inform Resource Management: The Escalante Watershed Case Study Story Map BLM AIM Assessment, Inventory, and Monitoring Efforts to Date Interactive Map (Web Application Viewer)