2000. University of Minnesota. Institute on the Environment. This raster dataset represents the average yield for natural gum crops in tons per hectare. Croplands cover ~15 million km2 of the planet and provi... University of Minnesota. Institute on the Environment.
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2000. University of Minnesota. Institute on the Environment. This raster dataset represents the agricultural census data quality for natural gum crop yields. Data quality categories include (0= missing, 0.25=... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the agricultural census data quality for harvested areas of natural gum crops. Data quality categories include (0= m... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset depicts the average fractional proportion of a gridcell for natural gum crops that were harvested circa 2000. Croplands cover ~... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset depicts the average number of hectares per land-area of a gridcell for natural gum crops. Data quality categories include (0= m... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents total natural gum crop production in metric tons. Harvested area in hectares was multiplied by yield per hectare to ... University of Minnesota. Institute on the Environment.
1962. Projection: Lambert Conformal Conic Projection: Standard Parallels -76º40' and -79º20'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.
1992. National Geophysical and Solar-Terrestrial Data Center. This map shows the four types of light sources as observed during 1992. The Defense Meteorological Satellite Program (DMSP) Operational Linescan Sy... National Geophysical and Solar-Terrestrial Data Center.
1993. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements around the world observed during 1993. The Defense Meteorological Satellite Program (DMSP) Oper... National Geophysical and Solar-Terrestrial Data Center.
1994. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements around the world observed during 1994. The Defense Meteorological Satellite Program (DMSP) Oper... National Geophysical and Solar-Terrestrial Data Center.