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Since 1986, surveys in spring and fall each year count the number of wolves found in Denali National Park and Preserve, north of the Alaska Range.
Search relevance: 1.00 | Views last month: 90 | Catalog Last Checked: January 25, 2026 at 05:24 PM -
The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences between estuarine ecosystems and investigate why some are more productive than others....
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The United States Fish and Wildlife Service's (USFWS) Delta Boat Electrofishing Survey was designed to estimate spatial and temporal trends in abundance, occupancy, capture probabilities, and...
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Two .csv files: Metadata and Master Data. The Metadata describes column variables for the Master Data file that contains all of the information used in the analyses. This project encompasses two...
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The objective of this study is to quantify population, community, and ecosystem level changes as a result of salmon recolonization of the Cedar River, WA above Landsburg Dam. The dam was installed...
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Compared species composition, numbers, and biomass per unit area among salt marsh (Spartina alterniflora) and open water habitats in the Galveston Bay corridor to evaluate the extent of biological...
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: July 28, 2026 at 11:39 PM -
The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences between estuarine ecosystems and investigate why some are more productive than others....
Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: May 06, 2026 at 06:55 AM -
The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences between estuarine ecosystems and investigate why some are more productive than others....
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: May 06, 2026 at 06:55 AM -
GLOBEC (GLOBal Ocean ECosystems Dynamics) NEP (Northeast Pacific) California Current Program Vertical Plankton Tow (VPT) Data For more information,...
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The United States Fish and Wildlife Service Delta Juvenile Fish Monitoring Program (DJFMP) has monitored juvenile Chinook Salmon Oncorhynchus tshawytscha and other fish species within the San...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: June 26, 2026 at 03:42 AM -
The objective of this study is to quantify population, community, and ecosystem level changes as a result of salmon recolonization of the Cedar River, WA above Landsburg Dam. The dam was installed...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: July 14, 2026 at 08:10 PM -
This record contains counts of eggs and 5 growth stages of larvae of the monarch butterfly, milkweed plants by species, and presence of flowering nectar plants. These data were collected from...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: June 26, 2026 at 03:43 AM -
The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences between estuarine ecosystems and investigate why some are more productive than others....
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 06, 2026 at 06:55 AM -
Using a bioenergetic model, demographic data for the Rainbow Trout (Oncorhynchus mykiss) population were compiled and used to estimate total prey consumption in the Colorado River, Glen Canyon ,...
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This dataset contains aerial survey data from the surveys described below. The Bureau of Ocean Energy Management (BOEM), formerly the Minerals Management Service (MMS), and its precursor, the...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: July 28, 2026 at 07:04 PM -
This record contains counts of eggs and 5 growth stages of larvae of the monarch butterfly, milkweed plants by species, and presence of flowering nectar plants. These data were collected from...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: June 26, 2026 at 03:44 AM -
The objective of this study is to quantify population, community, and ecosystem level changes as a result of salmon recolonization of the Cedar River, WA above Landsburg Dam. The dam was installed...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: July 14, 2026 at 08:10 PM -
These data contain the supplementary results corresponding with the journal article: Using mobile acoustic monitoring and false-positive N-mixture models to estimate bat abundance and population...
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MethodsStudy area: Our initial study area included the entire globe. We began with a seamless grid of cells with a resolution of 0.5 degrees (i.e., ~50 km at the equator). Next, we created...
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Hourly counts of all fish species observed at the Andreafsky Weir. Data are derived from weir video feed for available years 2015-2023. Counts were done hour by hour for 24 hours a day unless...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: June 26, 2026 at 03:43 AM
