GIS Mapping

Geographic Information Systems, or GIS for short, is the computerized linkage of the land (and ocean), such as rivers and mountains, to the information about them. For instance, a GIS can show which part of a stream has which kinds of salmon in it, and provide a link to the tables of how many salmon have returned to the river each year. 

In a GIS, each data type, such as rivers, is stored in a different layer, and each layer can be turned on or off to make paper maps. They can also be overlaid with other layers. For instance, if we have a layer that shows how steep the land is, we could overlay that with the salmon streams and show how steep the streams are where the salmon habitat is.

The GIS can also be linked with a global positioning system which shows where you are in the world from positions sent from satellites orbiting the world. That way, when one of our fisheries technicians visits a salmon stream, we can see where they went, which can then be linked with what they saw.

Our GIS system has a lot of important information stored in it, such as traditional use information, recorded archaeological sites, forestry, fisheries, mining, etc. It is useful for resource planning and management, and for creating maps for people to look at during community meetings.

 


 

 

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