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Ichthyology and GIS
A Geographic Information System is a tool for mapping and analyzing data. The ability to layer many features onto the same map and select or unselect as needed allows for a multitude of views and ease of interpreting data. More important, this allows for in depth scientific analysis and problem solving.
Ichthyology involves many areas of study related to fishes and their habitat. The natural habitat is water, but fish are dependent upon many other factors. Water quality, type, food, cover, sediment are essential for the life cycle of any given fish. Being able to map the presence of certain species with layers of these features provides invaluable insight into species requirements. GIS is an essential tool that allows immediate visualization of all data present and to accurately interpret impacts of habitat degradation or species success.
==GIS==
GIS is useful when data is specific to a location. It is used to classify, analyze and understand data relationships based on the location and then drawing conclusions from the data. Data capture can occur in the field on small, handheld GPS devices, and then imported and compared to an existing map. This freedom of movement between field and computer is critical to streamlining data collection in field endeavors and generating more accurate data sets.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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