• Organization: Department of Transportation
• Updated: 2026-02-03

Annual number of licensed drivers for the the 50 States and DC by sex and with ratios to vehicles, residents, and driving-age residents (16+) from FHWA Highway Statistics table DL-1C.

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Poor data exist on the influence of psychosocial variables on the female/male ratio of depression because of the small number of cases and the resulting limited numbers of...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2021-01-15

Mothers may produce more of one sex to maximize their fitness if there are differences in the cost of producing each sex or there are differences in their relative reproductive value. We tested if...

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• Organization: Department of the Interior
• Updated: 1983-01-01T00:00:00Z

Mule deer survey data. From 1980-1983. Efforts made to estimate the mule deer population at Craters of the Moon National Monument (CRMO).

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-10-30T00:00:00.000+00:00

This dataset contains data from laboratory analysis of coral reef fish collected near Tutuila, American Samoa from 2016-12-20 to 2017-11-16. Natural-resource professionals from American Samoa's...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-04-19T00:00:00.000+00:00

Natural-resource professionals performed novel research on the reproductive biology of exploited reef fishes. Each participant produced reproductive data for a single target species, yielding new...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-01-01T00:00:00.000+00:00

Videogrammetry data taken in 2007 are used for a study of fish within coral reef ecosystems. We attempted to generate or find information on abundance, growth, sex-specific size-at­-maturity,...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2016-07-29

White sucker, Catostomus commersonii, were collected from the St. Louis River Area of Concern in 2011, 2013, and 2015. The data include size, sex, and age of fish; associated orocutaneous and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-05-19T00:00:00.000+00:00

Videogrammetry data taken in 2007 are used for a study of fish within coral reef ecosystems. We attempted to generate or find information on abundance, growth, sex-specific size-at maturity,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-10-12T00:00:00.000+00:00

This data contains sea turtle life history, diet analysis, and environmental data, recorded as CSV spreadsheets ranging from 1997 to 2003. This data was used to determine relative abundance,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-01T17:16:20.000+00:00

Protogynous fishes are often assumed to be more sensitive than gonochorists to exploitation, primarily because of potential sperm limitation and/or social disruption of mating if larger, mostly...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

Insect metamorphosis often results in substantial chemical changes that can fractionate isotopes and alter contaminant concentrations. We exposed larval mayflies (Baetis tricaudatus) to an aqueous...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

Northeast Cooperative Research Study Fleet (SF) Program partners with a subset of commercial fishermen to collect high quality, high resolution, haul by haul self-reported fishing data. SF staff...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-05-26T00:00:00.000+00:00

This data set contains sea turtle length and weight measurements, sex ratios, species composition, capture and release locations, tagging information, and information on biological samples...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-01-01T00:00:00.000+00:00

This project addresses major gaps in knowledge on vital rates such as age to maturity, survival, sex ratios, and population size (including the males)whcih have made it difficult to conduct...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This release is for data on Zinc concentrations and isotopic signatures of an aquatic insect (mayfly, Baetis tricaudatus). Mayflies were exposed to an aqueous zinc concentration gradient in a...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This release is for data on Zinc concentrations and isotopic signatures of an aquatic insect (mayfly, Baetis tricaudatus). Mayflies were exposed to an aqueous zinc concentration gradient in a...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background As obesity is rapidly becoming a major medical and public health problem, the aim of our study was to determine: 1) if obesity in Caucasian adolescents at 5 different Tanner...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Regular use of aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs) has been consistently associated with reduced risk of colorectal cancer and adenoma, and there...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background In Brazil, it is estimated that between 2.5 and 4.9% of the general population present anti-hepatitis C virus (HCV) antibodies, which corresponds to as many as 3.9 to 7.6...

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