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Service Description: 2 m in height was the most abundant vegetation type, making up 53% of the vegetation within the plots. Twenty-one percent of the vegetation was a composite of live green grasses and forbs. A pattern based habitat predictability model was developed using the 66 territories located in the 1997 field season as image training sites. The model integrated two environmental variables found to have predictive capability: (1) composition of vegetation classes, and; (2) slope gradient. An accuracy assessment indicated the model was 94% correct when predicting suitable habitat greater than 6 ac. We concluded that Landsat Thematic Mapper imagery, when applied in conjunction with other landscape data, was an effective technique to identify suitable Willow Flycatcher habitat for our study area. Currently, this technique is being used by the California Department of Fish and Game to identify habitat throughout Northern California. This dataset was modified on May 17, 2005 by Eric Haney of CDFG - Information Services branch. Modifications included addition of a Site_ID Field, and fields representing UTM Northing and Easting coordinates (using NAD83 Datum). These fields were added to assist in an effort to field validate the dataset. Note that not all UTM coordinates are located within habitat polygons. Depending on the irregular shape of the polygons, some of the utm coordinates are located outside the boundaries. These coordinates are only to be used for coarse navigational purposes. While there is no publication date planned, Region 1 staff are working to validate the model results. For more information, please visit: http://ncncr-isb.dfg.ca.gov/ITP/DesktopDefault.aspx?tabindex=9&tabid=59 The GIS data may be downloaded here: http://ncncr-isb.dfg.ca.gov/ITP/uploads/WIFL_060517.zip The original report from this project can be downloaded here: http://ncncr-isb.dfg.ca.gov/ITP/uploads/wifl_pub012102b_final.doc
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Description: 2 m in height was the most abundant vegetation type, making up 53% of the vegetation within the plots. Twenty-one percent of the vegetation was a composite of live green grasses and forbs. A pattern based habitat predictability model was developed using the 66 territories located in the 1997 field season as image training sites. The model integrated two environmental variables found to have predictive capability: (1) composition of vegetation classes, and; (2) slope gradient. An accuracy assessment indicated the model was 94% correct when predicting suitable habitat greater than 6 ac. We concluded that Landsat Thematic Mapper imagery, when applied in conjunction with other landscape data, was an effective technique to identify suitable Willow Flycatcher habitat for our study area. Currently, this technique is being used by the California Department of Fish and Game to identify habitat throughout Northern California. This dataset was modified on May 17, 2005 by Eric Haney of CDFG - Information Services branch. Modifications included addition of a Site_ID Field, and fields representing UTM Northing and Easting coordinates (using NAD83 Datum). These fields were added to assist in an effort to field validate the dataset. Note that not all UTM coordinates are located within habitat polygons. Depending on the irregular shape of the polygons, some of the utm coordinates are located outside the boundaries. These coordinates are only to be used for coarse navigational purposes. While there is no publication date planned, Region 1 staff are working to validate the model results. For more information, please visit: http://ncncr-isb.dfg.ca.gov/ITP/DesktopDefault.aspx?tabindex=9&tabid=59 The GIS data may be downloaded here: http://ncncr-isb.dfg.ca.gov/ITP/uploads/WIFL_060517.zip The original report from this project can be downloaded here: http://ncncr-isb.dfg.ca.gov/ITP/uploads/wifl_pub012102b_final.doc
Copyright Text: Eric Haney; California Department of Fish and Wildlife (CDFW); (530) 225-2052; ; Eric.Haney@wildlife.ca.gov;
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Document Info:
- Title: Willow Flycatcher Habitat Model Results [ds278]
- Author: BIOS_Admin
- Comments:
- Subject: To Identify Potential Willow Flycatcher habitat throughout Northern California
- Category:
- Keywords: Auth_CDFW, California Department of Fish And Wildlife, California Natural Resources Agency, environment, biota