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This folder contains data contributed to the National Fish Habitat Partnership (NFHP) Data System by the Western Native Trout Initiative (WNTI). WNTI was recognized as a partner of NFHP in February 2008.
This shapefile is the official boundary of the Western Native Trout Initiative. The boundary was originally developed by the United States Fish and Wildlife Service and was updated in 2013 to reflect revisions from the Western Native Trout Initiative, a recognized Fish Habitat Partnership (FHP) of the National Fish Habitat Partnership.
Categories: Data;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Downloadable,
Map Service;
Tags: Alaska,
Analytical boundary,
Aquatic habitats,
Arizona,
Boundaries,
Fishes of the Upper Colorado River Basin have one of the highest levels of endemism in the United States. The range and abundance of these fish has declined over the last century and continues to decline as a result of legacy impacts from past management practices, current water management, interactions with non-natives, and other impacts. Seven of these fish are considered imperiled by the American Fisheries Society and four are listed as endangered by the U.S. Fish and Wildlife Service. We applied a complementarity-based approach to develop priority ranks (0 – 1; low to high) for catchments in the Upper Colorado River Basin. We used methods and a framework that we had previously developed for the Lower Colorado...
Partnership - Western Native Trout Initiative The Redband Trout, a group of Rainbow Trout, are remarkable fish. Some live as freshwater fish and some as anadromous fish that occupy both fresh and saltwater habitats during different stages of their lives. The interior Redband Trout is listed as a “Species of Conservation Concern” in most of its range. Its historic range covers eastern Washington and Oregon, northeastern California, central and southwestern Idaho, northwestern Montana, and parts of northern Nevada. Within this broad area, Redband Trout habitat can vary from higher elevation cold-water mountain streams to lower elevation warmer desert-type streams that have periods of low stream flows and high water...
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2015,
CaseStories,
MountainRegion,
MountainStates,
PacificCoastRegion,
Partnership - Western Native Trout Initiative Seldom are dams beneficial to fish populations but the Chadbourne Dam is an exception. The Shields River watershed has substantial conservation value for Yellowstone Cutthroat Trout ( Oncorhynchus clarkii bouvieri) because the watershed is the largest basin-level stronghold for Yellowstone Cutthroat Trout populations in Montana. Within the Shield River watershed, sixty-six percent of streams of historically occupied habitat still support Yellowstone Cutthroat Trout. This watershed is at the northern extent of the species’ native range, which also provides an opportunity to conserve Yellowstone Cutthroat Trout where they can be resilient to climate change. The Chadbourne...
Partnerships - Desert Fishes Habitat Partnership and Western Native Trout Initiative Bluehead Sucker ( Catostomus discobolus) and Bonneville Cutthroat Trout ( Oncorhynchus clarki utah) have experienced extensive population declines and range reduction, often from habitat fragmentation. In the Weber River, Utah, Bluehead Sucker occurs in three fragmented reaches and the strongest population in the Weber River is confined below the Lower Weber River Diversion structure. Allowing passage around this diversion would provide Bluehead Sucker access to needed canyon habitat. Large fluvial Bonneville Cutthroat Trout have been virtually eliminated from river mainstems throughout this species’ range, but still persists...
Conservation rank data for each drainage catchments in the Upper Colorado River Basin. Some smaller catchments were not ranked. Catchments are the drainage area (local watersheds) for each individual stream segment within the 1:100,000 scale National Hydrography Plus Version 1 (NHDPlusV1) dataset. The NHDplus catchments have been ranked (valued) based on the representation of native fish species given the threats to their persistence (i.e., non-native fish species, land use, and habitat fragmentation). The ranking process placed importance on areas with several native species as well as areas important to individual species with restricted distributions and so is not simply a species “hot spot” assessment. Catchments...
Categories: Data;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Downloadable,
Map Service;
Tags: DFHP,
FHP Product,
Habitat Characterization,
NFHP Cooperator,
NHDPlusV1,
A storymap that allows users to learn about the Western Native Trout Initiative and explore stories of five native trout and their triumphs of restoration, collaboration, conservation, education, and protection.
Partnership - Western Native Trout Initiative The Gila Trout ( Oncorhynchus gilae) is one of the rarest native trout species in the United States. Gila trout were listed as federally endangered in 1967, and re-classified as threatened in 2006 after efforts to restore populations were successful. Over the past 25 years, 14 wildfires have burned in watersheds occupied by Gila Trout, requiring fish evacuation on multiple occasions, and ten Gila Trout populations have been eliminated, setting back recovery efforts. While previous fires only affected one or two populations of fish, recent fires have become exceedingly large. The 2012 Whitewater-Baldy fire burned over 290,000 acres, encompassing much of the current...
This conservation assessment of the U.S. Rio Grande Watershed identifies target areas for the implementation of habitat-related projects and priority areas, stream segments, and watersheds to improve ecological condition, restore natural processes, and prevent the decline of intact and healthy systems. Through systematic conservation planning, this assessment addresses multi-species and multi-jurisdictional concerns; work that complements and extends analogous conservation assessments completed for much of the Desert Landscape Conservation Cooperative’s (DLCC) extent. In doing so, it provides a flexible working model into which priority taxa and habitats can be easily incorporated in the future.
Fishes of the Upper Colorado River Basin have one of the highest levels of endemism in the United States. The range and abundance of these fish has declined over the last century and continues to decline as a result of legacy impacts from past management practices, current water management, interactions with non-natives, and other impacts. Seven of these fish are considered imperiled by the American Fisheries Society and four are listed as endangered by the U.S. Fish and Wildlife Service. We applied a complementarity-based approach to develop priority ranks (0 – 1; low to high) for catchments in the Upper Colorado River Basin. We used methods and a framework that we had previously developed for the Lower Colorado...
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