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Nine Omernick Aggregated Ecoregions Within the United States (Figure 3)

from the 2015 National Fish Habitat Assessment


Nine large ecoregions of the conterminous United States used to select fish metrics and conduct the 2015 condition assessment of stream habitats.

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The U.S Geological Survey (USGS) is partnering with the National Fish Habitat Partnership (NFHP) to produce the 2015 report entitled, "Through a Fish's Eye: The Status of Fish Habitats in the United States 2015". The information contained within this item is a product of NFHP. The Bureau is neither responsible nor liable for the accuracy or the use of the scientific content within this item. This content is considered preliminary pending subsequent review and approval.
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Caption Figure 3

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