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Summer Bottom Trawl Survey

Metadata Updated: March 8, 2024

Sampling the coastal waters of the Gulf of Maine using the Northeast Fishery Science Center standardized bottom trawl has been problematic due to large areas of hard bottom and the proliferation of fixed fishing gear. Concerns that areas with significant fish biomass were not being sampled resulted in the NEFSC developing a summer bottom trawl survey in order to supplement sampling in this region. The NEFSC worked with regional fisherman to map areas accessible to bottom trawls and used this information to develop a sampling regime. A master list of towable areas was used to inform the stratified-random survey design which allowed sampling in these areas, while greatly reducing gear damage. This survey was conducted from 1991 through 1995.

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

Dates

Metadata Date February 29, 2024
Metadata Created Date November 12, 2020
Metadata Updated Date March 8, 2024
Reference Date(s) (publication)
Frequency Of Update asNeeded

Metadata Source

Harvested from NMFS NEFSC

Additional Metadata

Resource Type Dataset
Metadata Date February 29, 2024
Metadata Created Date November 12, 2020
Metadata Updated Date March 8, 2024
Reference Date(s) (publication)
Responsible Party (Point of Contact, Custodian)
Contact Email
Guid gov.noaa.nmfs.inport:22562
Access Constraints Cite As: Northeast Fisheries Science Center, [Date of Access]: Summer Bottom Trawl Survey [Data Date Range], https://www.fisheries.noaa.gov/inport/item/22562., Access Constraints: If data is stored on an internal NEFSC network, the requester may not have direct access to query the data unless they are also authorized for network access., Use Constraints: User must read and fully comprehend the metadata prior to use. Applications or inferences derived from the data should be carefully considered for accuracy. Acknowledgement of NOAA/NMFS/NEFSC, as the source from which these data were obtained in any publications and/or other representations of these, data is suggested.
Bbox East Long -66.31
Bbox North Lat 44.8
Bbox South Lat 41.4
Bbox West Long -70.83
Coupled Resource
Frequency Of Update asNeeded
Harvest Object Id e2357940-541d-4655-a7ec-81086a252f6d
Harvest Source Id 523189fa-8edc-48e1-9ec5-f571e7dd923c
Harvest Source Title NMFS NEFSC
Licence NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
Lineage Vessel sensor data were collected electronically using SCS. Station, catch and biological data were collected manually using paper logs. At the completion of each cruise leg, the logs were keypunched and data audited extensively prior to being released.
Metadata Language eng
Metadata Type geospatial
Old Spatial {"type": "Polygon", "coordinates": [[[-70.83, 41.4], [-66.31, 41.4], [-66.31, 44.8], [-70.83, 44.8], [-70.83, 41.4]]]}
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 1991-07-23
Temporal Extent End 1995-08-25

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