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Geographical information systems modifications to track temporal distributions of mosquitoes

Posted on:2002-04-30Degree:Ph.DType:Dissertation
University:University of FloridaCandidate:Patnaude, Michael RaymondFull Text:PDF
GTID:1460390011996299Subject:Biology
Abstract/Summary:
Modifications were made to Geographical Information System (GIS) software called ArcView using the programs programming language called Avenue. Intuitive menu choices simplify ArcView functions anywhere from three to thirty functions within one menu choice. The adult distribution, complaints, weather and work survey menu choices offer an input and a historical submenu choice. Data input are stored in database files (.dbf) and are accessed by the historical menu that generates maps by linking the data to a Global Positioning System (GPS) file. The schools submenu under the potential problems menu choice identifies schools and areas around schools that should be examined for control protocols. Areas meeting a mosquito control's spraying criteria can be generated quickly by selecting the spray justification submenu choice. Maps are created for one to three views when the appropriate menus are selected. A data conversion function converts table to a format this program can recognize. Adult Culex nigripalpus distributions were found to be associated with trap location and wind speed and direction. No connections were made between mosquito patterns and rainfall, minimum and maximum temperatures, and moon phase. Models of Cx. nigripalpus were created with MatLab software. The model, after 10 generations, resembled the resource map. Other factors, such as rainfall, small breeding sites and temperature, not present in the model must affect populations in nature.
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