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  2. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    Past and Present Agricultural Land Use: Multiple datasets showing agricultural land use dating from 1700 to 2007 for 175 crops. Historic Croplands Dataset, 1700-1992: Documents historical changes in global land cover: croplands from 1700 to 1992. Global Reservoir and Dam (GRanD) Database

  3. Geodatabase (Esri) - Wikipedia

    en.wikipedia.org/wiki/Geodatabase_(Esri)

    The origin of the geodatabase was in the mid-1990s during the emergence of the first spatial databases.One early approach to integrating relational databases and GIS was the use of server middleware, a third-party program that stores the spatial data in database tables in a custom format, and translates it dynamically into a logical model that can be understood by the client software.

  4. Esri - Wikipedia

    en.wikipedia.org/wiki/Esri

    In 1969, Esri was founded by the couple, Jack and Laura Dangermond, as Environmental Systems Research Institute (ESRI), in Redlands, California. Esri was established when the couple started working on the technology to integrate human development with environmental stewardship at Harvard University’s lab for computer graphics and spatial ...

  5. Shapefile - Wikipedia

    en.wikipedia.org/wiki/Shapefile

    The shapefile format is a geospatial vector data format for geographic information system (GIS) software.It is developed and regulated by Esri as a mostly open specification for data interoperability among Esri and other GIS software products. [1]

  6. Protected areas of California - Wikipedia

    en.wikipedia.org/wiki/Protected_areas_of_California

    Obtaining an accurate total of all protected land in California and elsewhere is a complex task. Many parcels have inholdings, private lands within the protected areas, which may or may not be accounted for when calculating total area. Also, occasionally one parcel of land is included in two or more inventories.

  7. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    A GIS file format is a standard for encoding geographical information into a computer file, as a specialized type of file format for use in geographic information systems (GIS) and other geospatial applications. Since the 1970s, dozens of formats have been created based on various data models for various purposes

  8. California wants to harness more than half its land to combat ...

    www.aol.com/news/california-wants-harness-more...

    To get there, the state seeks to conduct 1.5 million acres of wildfire risk reduction activity per year by 2030; 2 million acres per year by 2038, and 2.5 million acres per year by 2045, most of ...

  9. QGIS - Wikipedia

    en.wikipedia.org/wiki/QGIS

    QGIS supports shapefiles, personal geodatabases, dxf, MapInfo, PostGIS, and other industry-standard formats. [5] Web services, including Web Map Service and Web Feature Service, are also supported to allow use of data from external sources. [6] QGIS integrates with other open-source GIS packages, including PostGIS, GRASS GIS, SAGA GIS, and ...