An Island Sanctuary
BY DAVID HOLDSTOCK, CURT HINTON AND BERT SMITH City GIS An Island Sanctuary Sanibel Designs a GIS around Conservation, Sustainability and Environmental Management Green iguanas, Nile monitor lizards, Brazilian peppers, invasive exotic plants, sea turtles and maintaining water quality are a few challenges faced by the city of Sanibel. G E O W O R L D / J U L Y 2 O O 9 32