EDITORIAL COMMITTEE: S. NEWCOMB, Mathematics; R. S. WOODWARD, Mechanics; E. C. PICKERING, Astrononmy; T. C. MENDENHALL, Physics; R. H. THURSTON, Engineering; IRA REMSEN, Chemistry; J. LE CONTE, Geology; W. M. DAVIS, Physiography; 0. C. MARSH, Paleontology; W. K. BROOKS, Invertebrate Zoology; C. HART MERRIAM, Vertebrate Zoology; S. H. SCUDDER, Entomology; N. L. BRITTON, Botany; HENRY F. OSBORN, ...

Human populations are not uniformly distributed on Earth's landmasses. The spatial distribution of the global human population at any time shows large variations over a wide range of spatial scales. Understanding this distribution is fundamental to understanding the relationships between humans and the environment. The recent availability of moderate resolution population data and higher resolu...