This raster layer represents changes in resource use due to population growth and industrial development that have caused degradation of the coastal zone and marine resources. This layer is part of the Global Map of Human Impacts to Marine Ecosystems, a collection of data and analyses related to anthropogenic drivers of change in marine ecosystems. The goal of this research is to estimate and visualize the global impact that humans are having on the oceans' ecosystems. National Center for Ecologial Analysis and Synthesis. (2008) Population Pressure, 2007-2008. Science. Available at: http://purl.stanford.edu/wk155tj1117 Please see supplimental online materials for more information. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.