Caitlin Dempsey
How to Select Ridgelines From a DEM Using Spatial Analyst
Selecting out ridgelines from a DEM using ArcView 3x’s Spatial Analyst extension is pretty straightforward. These steps assume the initial ...

Mapping the Earth – the Shuttle Radar Topography Mission
Space Shuttle Endeavour lifted off on February 11, 2000 and one of its missions is an ambitious mapping of the earth.

How to Convert .e00 Files to Coverages With ArcView 3x
To convert .e00 import files to coverages on a Windows operating system with ArcView installed, follow these instructions.

Biogeography of the Californian Trapdoor Spider
Californian trapdoor spiders are found in a wide range of habitats and climates, ranging from hot, dry cresote bush scrub to cool montane red fir forests, and wet coast redwood forests.

How Space and Time Affect Conservation Biology
Time and space are two extremely important concepts that are central to formulating theories and models in biotic conservation.