biosds63_cnu (Map Service)
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Service Description: The in-stream habitat GIS data included in CalFish consist primarily of those collected by the CDFW extending through most of Humboldt and parts of Mendocino counties. More recent data that was collected between 2010 and 2012 is available for Santa Barbara County. Other departments and organizations actively collect these data and as they become available, will be included in CalFishWHAT EACH RECORD REPRESENTS Each record in this dataset represents in-stream habitat unit level data summarized at the stream reach level. A habitat unit is the base level for the stream habitat surveys and is generally determined by the occurrence of riffle, run and pool sections along the stream. Stream reaches are determined by changes in stream channel type as described by Rosgen (1994).
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Description: The in-stream habitat GIS data included in CalFish consist primarily of those collected by the CDFW extending through most of Humboldt and parts of Mendocino counties. More recent data that was collected between 2010 and 2012 is available for Santa Barbara County. Other departments and organizations actively collect these data and as they become available, will be included in CalFishWHAT EACH RECORD REPRESENTS Each record in this dataset represents in-stream habitat unit level data summarized at the stream reach level. A habitat unit is the base level for the stream habitat surveys and is generally determined by the occurrence of riffle, run and pool sections along the stream. Stream reaches are determined by changes in stream channel type as described by Rosgen (1994).
Copyright Text:
Spatial Reference:
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Document Info:
- Title: Stream Habitat Reach Summary - North Coast [ds63]
- Author: BIOS_Admin
- Comments:
- Subject: In-stream habitat data include measurements of a variety of physical and aquatic stream attributes that collectively reveal a great deal about stream condition for salmonids and trout. Characterizing and inventorying the physical conditions that define stream habitat for salmonids is an important part of the habitat restoration process. The California Department of Fish and Wildlife (CDFW) collects data on a number of physical attributes of streams and classifies these streams by one of several habitat types.
The in-stream habitat data collection process involves two distinct steps; identifying channel type and assigning a habitat type. These in-stream habitat data are used for a variety of purposes including analysis of stream suitability for supporting salmonid populations, as part of larger and more complex watershed assessments, and to establish baseline conditions against which future assessments can measure change.
They are a critical part of determining restoration priorities and identifying salmonid refugia. The California Salmonid Stream Habitat Restoration Manual, published by the CDFW, describes the process of using in-stream habitat data and other data and information for identifying streams with restoration potential and working through the stream restoration process.
- Category:
- Keywords: fish, habitat, reproduction, distribution, habitat attributes, management, planning, DS0063_20150624_wm