BLM OR Non Native Arc Hub

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FISH_NON_NATIVE_ARC: This feature class is used to determine whether a particular non-native fish species is present in a stream, which can affect protection buffer widths in land management plans and activities. The data comes primarily from the Hydro Update Project, and is from actual observations or from modeled fish presence. While each district carried out their determinations in various ways, generally verification means that the fish biologist or other trained specialist was able to see the fish at the stream.

BLM OR Non Native Arc Hub

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FISH_NON_NATIVE_ARC: This feature class is used to determine whether a particular non-native fish species is present in a stream, which can affect protection buffer widths in land management plans and activities. The data comes primarily from the Hydro Update Project, and is from actual observations or from modeled fish presence. While each district carried out their determinations in various ways, generally verification means that the fish biologist or other trained specialist was able to see the fish at the stream.

BLM OR Fish Anadromous Poly Hub

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FISH_ANADRAMOUS_POLY: Presence or absence of Anadromous fish within an NHD waterbody feature.

BLM OR Fish Resident Poly Hub

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FISH_RESIDENT_POLY: Water bodies under BLM management that contain Resident Fish – fish that do not migrate out to the ocean but remain in freshwater.

BLM OR Fish Passage Barriers Point Hub

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FPB_PUB_PT: The Fish Passage Barrier (FPB) dataset represents basic information about existing and potential human-caused barriers to fish passage in watercourses, e.g., dams, culverts, bridges, tide gates, and weirs. In addition to basic information about barriers, the dataset provides general passage status.

BLM OR Hydrography Flowline Arc Hub

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HYD_FLOWLINE_ARC: This dataset contains flowline features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are linear depictions of streams and centerlines of rivers. Additional attributes have been added from the Bureau of Land Management (BLM) hydrography event data. This dataset will be refreshed as-needed to reflect updates to the NHD and hydrography events.

BLM OR Hydrography Flowline Arc Hub

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HYD_FLOWLINE_ARC: This dataset contains flowline features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are linear depictions of streams and centerlines of rivers. Additional attributes have been added from the Bureau of Land Management (BLM) hydrography event data. This dataset will be refreshed as-needed to reflect updates to the NHD and hydrography events.

BLM OR Hydrography Publication Area Polygon Hub

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HYD_PUB_AREA: This dataset contains area features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are linear depictions of streams and centerlines of rivers. Additional attributes have been added from the Bureau of Land Management (BLM) hydrography event data. This dataset will be refreshed as-needed to reflect updates to the NHD and Bureau of Land Management (BLM) hydrography event data.

BLM UT Designated Wild and Scenic River Corridors (Arc)

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BLM OR Water Quality and Quantity Cross Section Sample Publication Point Hub

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CROSS_SECT_SAMPLE_PUB_PT: Cross-sectional surveys capture the shape of the stream channel at a specific location by measuring elevations at intervals across the channel. Cross-sections are used to determine bankfull width, mean bankfull depth, and entrenchment of a channel at a specific point. Cross-sections are usually installed and monitored to track geomorphic change in a stream before and after a physical alteration to the channel; these surveys can detect erosion and deposition of stream sediment as well as changes to the shape (profile) of stream bed and banks. The cross-section table defined in this data standard stores the summary measurements. Raw data can be stored in a spreadsheet or document and related to the record.