Introductory GIS lecture

• cours magistral - matière potentielle : a. definition
• cours - matière potentielle : children
• cours - matière potentielle : district

Biology 483: Applications of GIS Introduction – Page 4 Fall 2002 APPLICATIONS OF GEOGRAPHIC INFORMATION SYSTEMS (GIS): INTRODUCTORY LECTURE A. Definition and Components of a GIS GIS is defined as computer assisted systems for the capture, storage, retrieval, analysis and display of spatial data. There are four main components of a true GIS system (Marble 1990). These are: 1. Data input system: collects and/or processes spatial data from existing sources, such as maps, remote sensing data, images, etc. Data can be collected through digitizing, scanning, interactive entry, etc. 2.

• average distance between observations of pipra erythrocephala
• closest observation of p. pipra from an individual of p. erythrocephala
• location of the harpia study plot within the tiputini
• pipra pipra
• plot
• gis
• geographic features
• spatial data
• data