Filters: Tags: Bluehead sucker (X)
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These data were compiled to monitor native fishes (particularly humpback chub Gila cypha) in the Little Colorado River, in the Grand Canyon, AZ. Objective(s) of our study were to evaluate the timing of native fish migration and the abundance of migratory and resident fishes between the Colorado and Little Colorado Rivers in the Grand Canyon. These data represent encounter histories for fishes - including array detections and physical captures. These data were collected in the lower 13.56 river kilometers of the Little Colorado River in April and May of 2021 and 2022. These data were collected by U.S. Fish and Wildlife Service (physical captures) and U.S. Geological Survey (array detections). These data can be used...
Bluehead sucker (Catostomus discobolus) status data created for the Western Division of the American Fisheries Society (WDAFS)
To map the distribution of bluehead sucker, flannelmouth sucker, and roundtail chub (three-species assemblage), we compiled occurrence information from Wyoming Game and Fish Department (streams, rivers, and lakes and reservoirs), Utah Natural Heritage Program (point locations), and Colorado Parks and Wildlife (6th-level watersheds). Due to the variety in the data types available, we summarized occurrence information by 6th-level watersheds, streams and lakes. The resulting distribution map was used to quantify baseline conditions for each species and the three-species assemblage overall. Point locations with rivers in Utah and occupied watersheds in Colorado, were assumed to represent occurrence along the full reach...
Types: Live Data;
Tags: Aquatic Development Index,
BLM,
Barriers,
Bluehead Sucker,
Bureau of Land Management,
Survey data was integrated within a GIS by georeferencing observations to an existing national spatial framework (National Hydrography Dataset), which allows for broader transferability to watersheds shared with neighboring states, creating a seamless layer not limited by state boundaries. Addressing the management and conservation challenges for native fishes will require the ability to “data mine” the extensive existing information on distribution and abundance of species available from aquatic survey programs. Results from such syntheses can be used to assess the current conservation status of native fishes, quantify the extent of species invasions, and establish baseline distributions with which to evaluate...
This map contains:Aquatic Intactness results for the State of Utah and the Colorado Plateau Ecoregion, HUC6/12-Digit HUC resolution.Aquatic Species Intactness results clipped to 22 different species' distributions, showing the AI status/condition for each of these species of interest in Utah and the COP. An experimental Aquatic Intactness model for the Escalante subregion, which tests a methodology to incorporate detailed/specialized datasets available for only a portion of the study site into the model without penalizing no-data areas in the final intactness score. The Escalante experimental model utilizes two additional themes: riparian vegetation conversion and grazing impact. Unfortunately Grand Staircase National...
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