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The Cooperative Research Units were created to enhance graduate education in fisheries and wildlife sciences and to facilitate research among natural resource agencies and universities on topics of mutual concern. The Colorado Unit combined Wildlife (established 1947) and Fish (established 1949) in 1984 as one of 40 units in 38 states nationwide (See Map). Colorado’s partnership is with the U.S. Geological Survey, Colorado Parks and Wildlife, Colorado State University, U.S. Fish & Wildlife Service and the Wildlife Management Institute. Research at the Colorado Cooperative Fish and Wildlife Research Unit is focused on research that involves graduate education and technical assistance to our Cooperators to understand...
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This data was used for the analysis in the paper "Assessing factors related to Walleye stocking success in the midwestern United States". This data includes stocking records of walleye from the Midwestern United States and subsequent evaluations of these stockings as provided by state agencies. Additionally, attributes of lakes such as size (depth, area), trophic state, and temperature are included to evaluate factors that relate to walleye stocking success. A second copy of the data is included that relies on imputation to fill in data gaps. Methodological processes are outlined in the associated paper.
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Information was gathered to support a cumulative effects assessment of restoration in barrier island and shoreline systems of the north central Gulf of Mexico. Information includes: 1) results from two literature searches to help guide the development of a conceptual model of a barrier island and shoreline system and identify drivers and stressors important to that system, and 2) an accounting of restoration projects and descriptive information to document the distribution of Deepwater Horizon-funded restoration projects within the study area and guide the identification of potential effects on focal resources.
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Grizzly bear (Ursus arctos) habitat use maps delineate predicted habitat use for grizzly bears around federally designated recovery zones in and near western Montana. These raster data are the official data release for Sells et al. (2022), “Grizzly Bear Habitat Selection Across the Northern Continental Divide Ecosystem” and Sells et al. (2023), “Grizzly bear movement models predict habitat use for nearby populations.” In summary, to better understand habitat selection by grizzly bears, Sells et al. (2022) developed and validated individual-based integrated step-selection functions (iSSFs) for 65 grizzly bears monitored in the Northern Continental Divide Ecosystem (NCDE; including 19 males and 46 females). Step-selection...
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This data release consists of four datasets which were used for evaluating winter drawdown (WD) lakes to follow the Massachusetts general WD guidelines. The first dataset ("Water level observations.csv") provides water level monitoring data of 21 (18 WD and 3 non-WD) recreational lakes in Massachusetts from 2014 to 2018. The water levels were measured by paired nonvented pressure transducers (HOBO U20L-01) and processed by ContDataQC package to remove potential inaccurate observations. For better comparison between lakes, the water level was relativized to each lake's normal pool level. This dataset was used for understanding the hydrology of WD and non-WD lakes and validating the hydrological model that we developed...
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This data documents the results of sampling for the white-nose syndrome fungus, Pseudogymnoascus destructans (Pd) at the USGS National Wildlife Health Center between 2007-2022. Data are reported on the county level. Locations are accurate to county only. We used data collected at winter locations only (hibernaculum) for this data set.
The Louisiana Cooperative Fish and Wildlife Research Unit is located in the LSU School of Renewable Natural Resources in Baton Rouge. The Unit Cooperators include U.S. Geological Survey, LSU AgCenter, Louisiana Department of Wildlife and Fisheries, U.S. Fish and Wildlife Service, and the Wildlife Management Institute. The Unit is located in a state where wetlands are a significant part of the culture and economy. Much of the Unit research is focused on wetlands and wetland resources, such as, oysters, coastal fisheries, waterfowl, and other water birds. Large-scale wetland issues, rich wetland fish and wildlife resources, and an extensive network of wetland scientists at LSU and the surrounding areas provide an...
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Native Americans were well established when Europeans of Spanish descent first settled the area nearly 500 years ago. Northern Europeans were last on the scene, arriving in the 1800s. Centuries of cohabitation have resulted in a unique mix of Hispanic, Native American, and Anglo culture, tradition, and resource values in the region. New Mexico, in addition to its cultural heritages, is unique in its ecological diversity. More than 300 vegetation community associations, more than 700 vertebrate taxa, and innumerable invertebrate and plant taxa have been described for this State in which elevations range from 855 – 4,010 m. These factors produce an ecologically challenging and exciting area of natural resources research...
The name "Nebraska" is based on an Oto Indian word Nebrathka meaning "flat water," after the Platte River that flows through the state. Nebraska is home to the Sandhills and the Rainwater Basin, abundant fisheries and wildlife resources, and enthusiastic sportspersons. The diversity of landscapes and subsequent diverse fish-and-wildlife resources in Nebraska requires NECFWRU to champion a broad focus for graduate education, applied research, and technical assistance. The NECFWRU is committed to developing future natural-resource managers and researchers through graduate education, doing innovative and novel research that is interdisciplinary and cross-boundary in support of the North American Model of Wildlife...
The Texas Cooperative Fish and Wildlife Research Unit is part of the National Cooperative Research Units Program that resides within the U.S. Geological Survey. Our state, regional and national cooperators include Texas Tech University, Texas Parks and Wildlife Department, The Wildlife Management Institute, U.S. Fish and Wildlife Service, and U.S. Geological Survey. The mission of our unit is to conduct and facilitate research, train graduate students, and provide technical service on natural resource issues of interest to cooperators and the public. Please visit through our web pages to learn more about us and what we do.
A full discussion of the compilation methodology and sources used to develop this data is available in the accompanying publication: Crawford, B.A., J.C. Maerz, & C.T. Moore. 2019. Expert-informed habitat suitability analysis for at-risk species assessment and conservation planning. Journal of Fish and Wildlife Management. in review.
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The Clear Lake herd contains migrants, but this herd does not migrate between traditional summer and winter seasonal ranges. Instead, much of the herd displays a nomadic tendency, slowly migrating north, east, or south for the summer using various high use areas as they move. Therefore, annual ranges were modeled using year-round data to demarcate high use areas in lieu of modeling specific winter ranges. The areas adjacent to Clear Lake Reservoir were heavily used during winter by many of the collared animals. A few collared individuals persisted west of State Route 139 year-round, seemingly separated from the rest of the herd due to this highway barrier. However, some pronghorn cross this road near Cornell and...
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The Mendocino mule deer herd complex is comprised of three overlapping black-tailed deer (Odocoileus hemionus columbianus) administrative herds, including Mendocino, Clear Lake, and Alder Springs. Mendocino black-tailed deer exhibit variable movement patterns and strategies, including traditional seasonal migrants, full-time residents, and multi-range migrants. Migrants move between seasonal ranges from a multitude of lower elevation areas within the North Coast Range in winter to higher elevation summer ranges (fig. XXX). Local biologists predict high-use winter ranges throughout both foothill slopes and valley bottoms. Female deer of the Mendocino herd complex exhibit both short-term (seasonal/annual) and long-term...
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The winter ranges of the Northside mule deer herd can be broadly separated into northern and southern subgroups. The majority of the southern subgroup winters at low elevations near the John Day River in areas dominated by big sagebrush communities, Columbia Basin grasslands, and western juniper. The northern subgroup is more spatially dispersed, wintering by Cottonwood Creek, the North Fork John Day River, and the Middle Fork John Day River in ranges containing more conifer forest than those of the southern subgroup. Both subgroups summer in the same general area, migrating either northeast or southeast to reach ranges featuring mixed-conifer, Picea spp. (spruce), Ponderosa pine, and western juniper forests with...
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The Klamath Basin mule deer herd contains an estimated 10,775 deer and features a mix of resident and migratory animals. Most winter ranges are adjacent to the California border near Bly and Lost River, California, in areas featuring western juniper, low shrublands, and early shrub-tree habitat. In spring, these mule deer either migrate northwest to regional national forest lands or northeast past South Fork Sprague River. Summer ranges contain ponderosa pine, mixed-conifer, and early shrub-tree habitat along with alfalfa and other agricultural crops. Notably, one mule deer migrated southeast into California near Goose Lake in May 2019 and spent a year near Deadhorse Reservoir before returning to Oregon in November...
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With 204 GPS-collared mule deer, the Beulah-Malheur herd is one of the most extensively recorded mule deer herds in Oregon. Mule deer primarily winter along the Malheur River and the Stinkingwater Mountains, with some as far south as the Owyhee River. Winter ranges are covered by Artemisia tridentata (big sagebrush), grassland, and encroaching Juniperus occidentalis (western juniper). Although spatially dispersed, much of the Beulah-Malheur herd collectively migrates northwest to reach summer ranges across the upper elevations of the Malheur National Forest, Pedro Mountain, and Cottonwood Mountain. Primary summer range vegetation includes A. t. vaseyana (mountain big sagebrush), Pinus ponderosa (ponderosa pine),...
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The Lassen herd winters in lower elevations in the Secret Valley, Bull Flat, and the Five Springs Wilderness Study Area north of the Skedaddle Mountains and east of Shaffer Mountain, as well as in the Dry Valley Rim Wilderness Study Area. Summer ranges are spread out, with some individuals migrating north to the Madeline Plains and others heading west to Willow Creek Valley, Grasshopper Valley, and Eagle Lake (fig. XXX). An unknown portion of the herd are better characterized as residents. The primary threat to pronghorn in the Lassen herd is the conversion of perennial shrublands to exotic annual grasslands following wildfires. The 2012 Rush Fire burned 271,911 acres in Lassen County within the boundary of the...
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The Area 17-Toiyabe mule deer herd inhabits the Shoshone Mountains and Toiyabe Range, which run north to south in central Nevada (fig. 11). Mule deer from the Shoshone Mountains and Toiyabe Range are characterized by short distance migrations from high elevations above 7,874 ft (2,400 m), down to 5,577 ft (1,700 m). Since the 1920s, the lower elevation slopes east of Toiyabe Dome, between Wisconsin Creek and Broad Creek and locally known as Toiyabe bench, have been documented by the Nevada Department of Wildlife as crucial mule deer winter range. Because of the value of this habitat for mule deer, the BLM closed the area to domestic livestock grazing in 1983 (Nevada Department of Wildlife, 1985). In 2018, in collaboration...
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The Klamath Basin mule deer herd contains an estimated 10,775 deer and features a mix of resident and migratory animals. Most winter ranges are adjacent to the California border near Bly and Lost River, California, in areas featuring western juniper, low shrublands, and early shrub-tree habitat. In spring, these mule deer either migrate northwest to regional national forest lands or northeast past South Fork Sprague River. Summer ranges contain ponderosa pine, mixed-conifer, and early shrub-tree habitat along with alfalfa and other agricultural crops. Notably, one mule deer migrated southeast into California near Goose Lake in May 2019 and spent a year near Deadhorse Reservoir before returning to Oregon in November...
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Groundwater influenced ecosystems (GIEs) are increasingly vulnerable due to groundwater extraction, land use practices, and climate change. These ecosystems receive groundwater inflow, which can maintain water levels, water temperature, and chemistry necessary to sustain the biodiversity that they support. Many aquatic systems receive groundwater as a portion of their baseflow or water budget, and in some systems (e.g., springs, seeps, fens) this connection with groundwater is central to the system’s integrity and persistence. Groundwater management decisions for human use often do not consider the ecological effects of those actions on GIEs. This disparity can be attributed, in part, to a lack of information regarding...
map background search result map search result map Predicted grizzly bear habitat use in Western Montana: spatial data Developing a Stochastic Hydrological Model for Informing Lake Water Level Drawdown Management Information supporting a cumulative effects assessment of restoration in barrier island and shoreline systems of the north central Gulf of Mexico California Mule Deer Mendocino Migration Stopovers California Pronghorn Clear Lake Migration Routes California Pronghorn Lassen Migration Routes Nevada Mule Deer Area 17-Toiyabe Migration Stopovers Oregon Mule Deer Beulah-Malheur Stopovers Oregon Mule Deer Klamath Basin Migration Corridors Oregon Mule Deer Klamath Basin Winter Ranges Oregon Mule Deer Northside Winter Ranges Assessing factors related to Walleye stocking success in the midwestern United States - Associated Data Vulnerability of Groundwater Influenced Ecosystems in the Northeastern United States Pseudogymnoascus destructans detections by US county 2007-2022 Nevada Mule Deer Area 17-Toiyabe Migration Stopovers California Mule Deer Mendocino Migration Stopovers California Pronghorn Lassen Migration Routes Oregon Mule Deer Northside Winter Ranges California Pronghorn Clear Lake Migration Routes Oregon Mule Deer Klamath Basin Winter Ranges Oregon Mule Deer Klamath Basin Migration Corridors Oregon Mule Deer Beulah-Malheur Stopovers Developing a Stochastic Hydrological Model for Informing Lake Water Level Drawdown Management Information supporting a cumulative effects assessment of restoration in barrier island and shoreline systems of the north central Gulf of Mexico Predicted grizzly bear habitat use in Western Montana: spatial data Vulnerability of Groundwater Influenced Ecosystems in the Northeastern United States Assessing factors related to Walleye stocking success in the midwestern United States - Associated Data Pseudogymnoascus destructans detections by US county 2007-2022