Catalog - Data.gov

Found 34 datasets matching "SHELL LENGTH".

#1 Federal
Lab-based measurements of shell length growth of Lake Michigan quagga mussels (Dreissena rostriformis bugensis) reared under different temperature, food, and calcein exposure conditions at the NOAA Great Lakes Environmental Research Laboratory from 2015-06-08 to 2015-12-21 (NCEI Accession 0277027)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-03-23T00:00:00.000+00:00
This submission contains data from a 203 day laboratory study where quagga mussels, some marked with the fluoromarker calcein, were reared at two temperatures in succession (modeling summer...
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Search relevance: 124.89 | Views last month: 0
#2 Federal
Quagga mussel (Dreissena rostriformis bugensis) shell and tissue measurements collected in the Laurentian Great Lakes since 2015
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-03-07T00:00:00.000+00:00
Invasive dreissenid mussels (quagga mussels, Dreissena rostriformis bugensis and zebra mussels, D. polymorpha) were introduced to the Laurentian Great Lakes in the 1980’s and have since spread...
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Search relevance: 82.46 | Views last month: 0
#3 Federal
Radial survey data of queen conch population counts, shell length, and lip thickness measurements in Buck Island and Salt River Bay, St. Croix, USVI, from 2014-08-25 to 2018-08-10 (NCEI Accession 0253469)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-07-13T00:00:00.000+00:00
This dataset contains shell lengths and lip thicknesses of queen conch individuals located and measured while conducting radial surveys of the conch populations on the northern shelf of St. Croix....
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Search relevance: 78.31 | Views last month: 0
#4 Federal
Radial survey data of queen conch population counts, shell length, and lip thickness measurements in Buck Island and Salt River Bay, St. Croix, USVI, from 2014-08-25 to 2018-08-10 (NCEI Accession 0253469)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-07-13T00:00:00.000+00:00
This dataset contains shell lengths and lip thicknesses of queen conch individuals located and measured while conducting radial surveys of the conch populations on the northern shelf of St. Croix....
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Search relevance: 76.22 | Views last month: 0
#5 Federal
Biological effects of ocean acidification on juvenile Atlantic surfclams (Spisula solidissima) observed in laboratory experiments from 2019-04-10 to 2019-07-03 (NCEI Accession 0245952)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-03-09T00:00:00.000+00:00
This dataset contains laboratory experimental data that were collected to examine the effects of elevated levels of carbon dioxide on the growth of Atlantic surfclam (Spisula solidissima), a...
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Search relevance: 75.60 | Views last month: 0
#6 Federal
The impact of ocean acidification on the early life stages of surf clams and the interactive effects of feeding and temperature from laboratory experiment studies from 2011-07-12 to 2012-06-17 (NCEI Accession 0123314)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-12-03T00:00:00.000+00:00
This dataset contains laboratory experiment data that were collected to examine the effects of ocean acidification on the Atlantic surfclam, Spisula solidissima, a species worth $31 million in...
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Search relevance: 72.77 | Views last month: 0
#7 Federal
Effects of food supply on northern bay scallops (Argopecten irradians) reared under two pCO2 conditions from 2021-09-14 to 2021-10-26 (NCEI Accession 0289954)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-03-23T00:00:00.000+00:00
The effects of food supply on bivalves under long-term ocean acidification exposure remains incompletely understood. In this study, juvenile northern bay scallops (50 days post fertilization),...
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Search relevance: 61.99 | Views last month: 0
#8 Federal
Black carp (Mylopharyngodon piceus) mouth gape and size preference of a bivalve prey
- Organization: Department of the Interior
- Updated: 2024-02-08T00:00:00Z
These data represent the measurements of length and mouth gape from large juvenile and adult wild-caught and small juvenile hatchery origin black carp, and the results of laboratory size...
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Search relevance: 54.66 | Views last month: 0
#9 Federal
Laboratory carbon dioxide exposure experiments measuring scope for growth for juvenile Atlantic sea scallops (Placopecten magellanicus) from 2019-10-23 to 2019-12-19 (NCEI Accession 0276024)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-12-23T00:00:00.000+00:00
This dataset contains the biological response for Atlantic sea scallops (Placopecten magellanicus) exposed to three different levels of carbon dioxide enrichment (low, medium, high). The...
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Search relevance: 50.78 | Views last month: 0
#10 Federal
Feeding observations of intertidal black abalone at monitored sites around San Nicolas Island, California and local distribution of Macrocystis pyrifera based on surface canopy maps
- Organization: Department of the Interior
- Updated: 2020-08-30T00:00:00Z
The data set includes feeding observations of black abalone (Haliotis cracherodii) at long-term intertidal monitoring sites around San Nicolas Island, California from 1982 - 2019. This includes...
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Search relevance: 49.55 | Views last month: 0
#11 Federal
Patent AT-E40063-T1: [Translated] MAGAZINE FOR A TOOL CHANGE DEVICE ON A SINGLE OR MULTI-SPINDLE DEEP DRILLING MACHINE.
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
1. A single-spindle or multi-spindle deep boring machine having a tool change device characterised in that the device (7) is formed by cylindrically arranged receiving tubes (8), wherein along a...
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Search relevance: 45.67 | Views last month: 0
#12 Federal
Patent AT-E401842-T1: [Translated] AUDITORIAL ossicle prosthesis
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
The bars (13) of the ball joint exhibits a long hole form recess in longitudinal direction. The balls are arranged equidistantly to length of the axle of the shank. The shank contains flexible bar...
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Search relevance: 44.30 | Views last month: 0
#13 Federal
Puerto Rico Long-Term Coral Reef Monitoring Program database compilation: substrate cover percent, octocoral colony counts, macro invertebrate densities, fish densities, and fish biomass from 1999 to 2025 (NCEI Accession 0204647)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-01T00:00:00.000+00:00
The Puerto Rico Coral Reef Monitoring Program data files include all raw data (by transect) for 86 stations where substrate cover by sessile-benthic categories and fish and motile megabenthic...
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Search relevance: 42.94 | Views last month: 0
#14 Federal
Estimation of vital rates to assess the relative health of mussel resources in the Upper Mississippi River System: Data
- Organization: Department of the Interior
- Updated: 2021-09-09T00:00:00Z
The Minnesota Department of Natural Resources (MNDNR) has been quantitatively sampling a mussel bed in West Newton Chute (a side channel in Navigation Pool 5 of the Upper Mississippi River, UMR)...
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Search relevance: 42.81 | Views last month: 0
#15 Federal
Responses of Native Freshwater Mussels to Remedial Dredging in the upper Hudson River
- Organization: Department of the Interior
- Updated: 2024-01-17T00:00:00Z
The Hudson River, New York, was contaminated with polychlorinated biphenyls (PCBs) from two General Electric plants over a period of ~30 years and PCBs are still present in sediment and biota...
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Search relevance: 37.69 | Views last month: 0
#16 Federal
Reproductive ecology data for female Agassiz's desert tortoises (Gopherus agassizii) in Joshua Tree National Park, USA
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
These data were compiled to evaluate the reproductive ecology of Agassiz's desert tortoises (Gopherus agassizzi) in the Sonoran Desert of California using two populations within Joshua Tree...
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Search relevance: 33.70 | Views last month: 0
#17 Federal
Field evidence noted in 2008 to 2023 that pertains to sea floods of the past millennium on Anegada, British Virgin Islands
- Organization: Department of the Interior
- Updated: 2023-10-27T00:00:00Z
This release provides inventories of georeferenced evidence pertaining to extreme waves on Anegada, a low Caribbean island perched south of the Puerto Rico Trench: CORAL BOULDERS AND COBBLES --...
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Search relevance: 32.22 | Views last month: 0
#18 Federal
Data and code from: A nitric oxide reductase is a key enzyme target for eliminating fungal emissions of nitrous oxide
- Organization: Department of Agriculture
- Updated: 2025-11-20
Brief description of study aimsFungal denitrification is a biogeochemical process that releases nitrous oxide (N2O), a potent greenhouse gas. The NOR1 gene is part of the denitrification pathway...
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Search relevance: 32.15 | Views last month: 1
#19 Federal
Environmental contaminants, species identifiers and characteristics, and other variables from the east and west US coasts for the National Status and Trends Program (NSTP) from 1984-01-01 to 1988-04-05 (NCEI Accession 8900125)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2002-11-19T00:00:00.000+00:00
This collection contains 1986-1989 Mussel Watch Data collected under National Status and Trends Program. The samples were collected along the east, west, gulf coast of the United States and two...
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Search relevance: 30.07 | Views last month: 0
#20 Federal
Mussel Density Quadrat Sampling Locations in West Newton Chute from 2008 to 2017
- Organization: Department of the Interior
- Updated: 2022-06-16T00:00:00Z
Since 2008, over 1,400 quadrats and about 2,500 mussels have been systematically sampled within West Newton Chute (WNC), contributing to a diverse assemblage of 25 live species, including 2...
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Search relevance: 28.91 | Views last month: 1

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