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Geographic Information Systems (GIS)

WEST specializes in the design and conduct of ecological field studies. An integral part of study design, data collection, and analysis often includes large sets of spatial data that require Geographic Information Systems (GIS) software. WEST has years of GIS experience creating, converting, viewing, analyzing, and mapping a variety of image, raster, vector, and point files.  Additionally, WEST has poster-size plotting capability to produce high-quality maps of assorted size.

WEST GIS Expertise Includes:

  • Mapping
  • Data Extraction, Analysis, and Query
  • Modeling (e.g., habitat selection, impact assessment, viewshed, analysis, etc.)
  • Creating Digital Data
  • Database Construction and Query
  • Global Positioning System (GPS) Data Collection, Analysis, and/or Mapping

Some GIS Examples from WEST Clients:



Image data is often used as a base layer to extract or plot data. In this example, satellite imagery is combined with a variety of other variables (e.g., slope, aspect, vegetation type, road density) to develop habitat selection models for mule deer.




Digital elevation model (DEM) data is often used for modeling purposes and to develop slope and aspect coverages. In this example DEM data and associated slope and aspect values are used to evaluate polar bear den site selection on the North Coast of Alaska.










In this example satellite imagery is used to calculate and quantify surface disturbance for a gas field.







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