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National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition Scores and Disturbance Indices Linked to HUC 12 Watersheds in Alaska of the Watershed Boundary Dataset


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Cooper, A., Daniel, W.M., Infante, D.M., Ross, J., and Herreman, K., 2017, National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition Scores and Disturbance Indices Linked to HUC 12 Watersheds of the Watershed Boundary Dataset: U.S. Geological Survey data release,


This shapefile contains fish habitat condition index (HCI) scores as well as specific disturbance indices for 6th level Hydrologic Unit Code (HUC12) watersheds of the Watershed Boundary Dataset. The source datasets compiled and attributed to spatial units were identified as being: (1) meaningful for assessing fluvial fish habitat; (2) consistent across the entire study area in the way that they were assembled; (3) broadly representative of conditions in the past 10 years, and (4) of sufficient spatial resolution that they could be used to make valid comparisons among HUC12 units. In this data set, variable summaries are linked to HUC12 watersheds developed for the Watershed Boundary Dataset downloaded on March 18, 2015. Detailed methods [...]


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NFHP 2015 Habitat Condition Indices and Disturbances Indices for HUC 12 Watersheds of Alaska 20170120.xml
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These data were collected for multiple purposes. First, they were gathered in support of conducting a condition assessment of fish habitat in fluvial waterbodies throughout the United States in support of the National Fish Habitat Partnership (NFHP). Second, these data were intended to be made available to NFHP as well as other users interested in acquiring consistently-organized information over larger regions. This work was supported by local, state, and federal partners of NFHP, including the U.S. Fish and Wildlife Service and the U.S. Geological Survey. Because the condition assessment was conducted over such a large geographic region, we adopted a landscape approach for assessment which assumed that anthropogenic disturbances as well as natural characteristics in the watersheds affect a given unit of habitat which in turn would affect fishes.



  • National Fish Habitat Partnership
  • National Fish Habitat Partnership Data System
  • USGS Data Release Products



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DOI doi:10.5066/F73B5XBJ

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