Anthropic System Tension Zones Map

 

• Key Words: land quality, human impacts
• About the Map: The Anthropic System Tension Zones map is based on an overlay of the global land quality map and a global population density map. Biodiversity hotspots are also outlined.
• Possible Uses of the Map: Useful for teachers and students who are interested in the global distribution of anthropic tension zones. Global modelers may be able to use the data for small scale analysis.

Data

• Source: Land Quality map, USDA-NRCS, Soil Survey Division, World Soil Resources, Washington D.C. Population density map, Tobler, W., V. Deichmann, J. Gottsegen, and K. Maloy. 1995. The global demography project. Technical Report TR-95-6. National Center for Geographic Information analysis. Univ. Santa Barbara, CA. 75 pp. Biodiversity hotspots, Myers, N. et al., 2000. Biodiversity hotspots for conseration priorities. Nature, 403:853-858.
• Data Aggregation and Reliability: The map data is rasterized on a 2 minute grid cell.
• Data Definitions: Three impact classes are defined based on land quality and population density. Biodiversity hotspots are outlined and labeled.
• Data Disclaimer: Country boundaries are not authoritative.
• Database Manager: Paul Reich, Geographer, World Soil Resources. Email: paul.reich@usda.gov

Map Production Information

• Map Identification: hotspots.jpg
• Production Date: June, 2000
• Geographic Coverage: Global
• Projection: Geographic
• Minimum Scale: 1:5,000,000

This page last updated on September 8, 2003.