Nearly 1,000 GIS terms and 52 diagrams published by the Association for Geographic Information and the University of Edinburgh Department of Geography. www.geo.ed.ac.uk/agidict/welcome.html
Terms arranged according to various subject categories including general biogeography, ecology, evolution, landscape ecology and taxonomy maintained by Radford University. www.runet.edu/%7Eswoodwar/CLASSES/GEOG235/glossary.html