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Short Citation:
Northeast Fisheries Science Center, 2023: Fall Bottom Trawl Survey, https://www.fisheries.noaa.gov/inport/item/22560.

Item Identification

Title: Fall Bottom Trawl Survey
Short Name: Fall Bottom Trawl Survey
Status: Completed
Abstract:

The standardized NEFSC Fall Bottom Trawl Survey was initiated in 1963 and covered an area from Hudson Canyon, NY to Nova Scotia, Canada. Throughout the years, coverage has extended as far south as Florida and sampling depths have ranged from <27 to 366 m. Currently, the survey coverage is from Cape Hatteras, NC to Nova Scotia and the minimum depth range is > 18 m as the result of a change in the sampling platform. This has resulted in the exclusion of many inshore strata.

Purpose:

The purpose of the Fall Bottom Trawl Survey is to determine the seasonal distribution, relative abundance, and biodiversity of fish and invertebrate species found on the continental shelf during the fall months, typically September to November. Other cruise objectives are: to collect biological samples for age determinations and growth sutidies, fecundity, maturity, and feeding ecology; opportunistically test trawl gear, methods, or survey-related equipment that may benefit the trawl survey in the future; collect oceanographic data, inclduing CTD casts as well as samples of ichthyoplankton and zooplankton for relative abundance and distribution studies; and to collect hydroacoustic data between stations. Fishery scientists use the data to assess 45 stocks of commercial and recreational fish and invertebrate species in the northeastern United States.

Keywords

Theme Keywords

Thesaurus Keyword
UNCONTROLLED
NMFS Data Category age & growth
NMFS Data Category biological measures
NMFS Data Category fishery-independent survey
NMFS Data Category genotype/species identification
NMFS Data Category maturity data
NMFS Data Category physical measures
NMFS Data Category population surveys
None age sampling
None biological sampling
None bottom trawl
None distribution
None feeding ecology
None FRV Albatross IV
None FRV Delaware II
None FRV Henry B. Bigelow
None groundfish
None hydroacoustics
None ichthyoplantkon
None invertebrates
None oceanographic
None relative abundance
None RV Atlantic Twin
None seasonal distribution
None size composition
None standardized
None stratified random sampling
None survey
None zooplankton

Temporal Keywords

Thesaurus Keyword
UNCONTROLLED
None continous
None fall

Spatial Keywords

Thesaurus Keyword
UNCONTROLLED
None Cape Hatteras
None Continental Shelf
None Georges Bank
None Gulf of Maine
None Mid-Atlantic Bight
None northwest Atlantic
None southern New England

Stratum Keywords

Thesaurus Keyword
UNCONTROLLED
None benthic
None demersal
None pelagic

Physical Location

Organization: Northeast Fisheries Science Center
City: Woods Hole
State/Province: MA
Country: USA

Data Set Information

Data Set Scope Code: Data Set
Data Set Type: Oracle Database, CSV file
Maintenance Frequency: As Needed
Maintenance Note:

The time series for the Fall Bottom Trawl Survey began in 1963 with data collection and quality assurance occurring with both paper and digital methods throughout the time series. Data consumers occasionally find questionable data from earlier paper collected data that requires verification via the original paper log. The frequency for such verification is minimal.

Data Presentation Form: Table (digital)
Entity Attribute Overview:

The provided Fall Bottom Trawl Survey time series from 1963 - most recently audited data set contain standard audited raw survey results without adjustments for changes in gear and/or vessel over the length of the time series. All "good" tows are included in these data sets. Additional non-representative tows are available upon request only. All inquiries for obtaining calibration information for vessel and gear changes should be addressed to the Chief of the Population Dynamics Branch or Chief of the Resource Evaluation and Assessment Division of the Northeast Fisheries Science Center (NEFSC).

The provided data sets contain the following information:

Station Data - Vessel-related information (e.g., cruise ID, location, speed, course, etc.) and surface and bottom sea water temperature and salinity

Aggregate Species Data - Tow-by-tow total weight and number of each species.

Species Length Frequencies - Summarized number of fish measured at each length interval

Individual Fish Data - Additional parameters collected from individual fish (other than length): sex, individual weight, gonad stage, age, and overall volume of stomach contents.

Data Set Credit: NOAA/NEFSC/FEMAD/ESB

Support Roles

Data Steward

CC ID: 181903
Date Effective From: 1999
Date Effective To:
Contact (Person): Kostovick, Paul
Address: 166 Water Street
Woods Hole, MA 02543
USA
Email Address: paul.kostovick@noaa.gov
Phone: (508)495-2343
Fax: (508)495-2230
Business Hours: 8am-4:30pm
Contact Instructions:

Email

Distributor

CC ID: 214485
Date Effective From: 1963
Date Effective To:
Contact (Organization): Northeast Fisheries Science Center (NEFSC)
Address: 166 Water Street
Woods Hole, MA 02543-1026
USA
Phone: (508)495-2000
URL: https://www.fisheries.noaa.gov/about/northeast-fisheries-science-center
Business Hours: 8:00 a.m. to 4:30 p.m. Monday - Friday

Metadata Contact

CC ID: 181904
Date Effective From: 2018-09
Date Effective To:
Contact (Person): Kostovick, Paul
Address: 166 Water Street
Woods Hole, MA 02543
USA
Email Address: paul.kostovick@noaa.gov
Phone: (508)495-2343
Fax: (508)495-2230
Business Hours: 8am-4:30pm

Originator

CC ID: 204455
Date Effective From: 1963
Date Effective To:
Contact (Organization): Northeast Fisheries Science Center (NEFSC)
Address: 166 Water Street
Woods Hole, MA 02543-1026
USA
Phone: (508)495-2000
URL: https://www.fisheries.noaa.gov/about/northeast-fisheries-science-center
Business Hours: 8:00 a.m. to 4:30 p.m. Monday - Friday

Point of Contact

CC ID: 202455
Date Effective From: 2018
Date Effective To:
Contact (Person): Politis, Philip J
Address: 166 Water Street
Woods Hole, MA 02543
Email Address: philip.politis@noaa.gov
Phone: (508) 495-2171
Contact Instructions:

Email

Extents

Currentness Reference: Ground Condition

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 181071
W° Bound: -78.24
E° Bound: -63.2
N° Bound: 44.47
S° Bound: 32.41
Description

northwest Atlantic: Cape Hatteras, NC to Nova Scotia

Extent Group 1 / Time Frame 1

CC ID: 181357
Time Frame Type: Continuing
Start: 1963-11-14
Description:

The standardized Fall Bottom Trawl Survey began with the first station on November 14,1963 at 12:14 AM (GMT).

Access Information

Security Class: Unclassified
Data Access Policy:

Available to qualified researchers.

Data Access Procedure:

1. Formal request in writing usually to the data owner/contact or Center Director.

2. Requester is contacted by data owner to review and verify the request content and details for data delivery options.

3. If data is confidential then owner will determine is the data may be released to the requester.

4. If data can be released, the data is downloaded and packaged for delivery electronically; or the requester may be directed to where the data is available online.

Data 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.

Data 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.

Distribution Information

Distribution 1

CC ID: 247319
Download URL: ftp://ftp.nefsc.noaa.gov/pub/dropoff/PARR/PEMAD/ESB/22560
Distributor:
Description:

Compressed Zipped Folders

22560_FSCSTables.zip contains Entities

- 22560_UNION_FSCS_SVBIO.csv

- 22560_UNION_FSCS_SVCAT.csv

- 22560_UNION_FSCS_SVLEN.csv

- 22560_UNION_FSCS_SVSTA.csv

- 22560_SVDBS_CRUISES.csv

Data extracted on 2/17/2022

Distribution 2

CC ID: 579729
Download URL: ftp://ftp.nefsc.noaa.gov/pub/dropoff/PARR/PEMAD/ESB/SVDBS
Distributor:
Description:

Compressed Zipped Folder contains Support Table Entities for this data set

SVDBS_SupportTables.zip contains Entities

- SVDBS_CLOUD.csv

- SVDBS_MATURITY_CODES.csv

- SVDBS_SEX_CODES.csv

- SVDBS_SVGEAR.csv

- SVDBS_SVMSTRATA.csv

- SVDBS_SVSPECIES_LIST.csv

- SVDBS_SVVESSEL.csv

- SVDBS_WEATHER.csv

- SVDBS_XBT.csv

Data extracted on 8/8/2017

URLs

URL 1

CC ID: 180981
URL: https://www.nefsc.noaa.gov/femad/ecosurvey/mainpage/resource_survey_reports.html
URL Type:
Online Resource
File Resource Format: PDF
Description:

Link to the Resource Survey Reports. Each report consists of field notes, station and catch summaries, and a series of geographical plots of commercial and recreational important species caught during the Ecosystem Surveys Branch's bottom trawl and shellfish resource cruises.

URL 2

CC ID: 180997
URL: https://www.nefsc.noaa.gov/femad/ecosurvey/mainpage/cruise_results.html
URL Type:
Online Resource
File Resource Format: PDF
Description:

Link to Survey Cruise Results. Cruise results describe the purpose, methods used, personnel who participated, and provides a summary of the total number of samples collected for various government and university investigators during the Ecosystem Surveys Branch's bottom trawl and shellfish surveys.

Technical Environment

Description:

RDBMS: Oracle

Data Quality

Representativeness:

representative

Accuracy:

High degree of accuracy. When there is species identification doubt at sea, the specimen is retained for taxonomy at the NEFSC or other taxonomic laboratory.

Quality Control Procedures Employed:

SCS and FSCS data collection software programs employ real-time validation and must meet database integrity constraints. Data are then subject to post-audits.

Data Management

Have Resources for Management of these Data Been Identified?: Yes
Approximate Percentage of Budget for these Data Devoted to Data Management: Unknown
Do these Data Comply with the Data Access Directive?: Yes
Is Access to the Data Limited Based on an Approved Waiver?: No
Approximate Delay Between Data Collection and Dissemination: 30 days
Actual or Planned Long-Term Data Archive Location: To Be Determined
If To Be Determined, Unable to Archive, or No Archiving Intended, Explain:

Archiving solution for Oracle Data Sets is yet to be determined.

Approximate Delay Between Data Collection and Archiving: To be determined
How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive?:

Archival of source data preserving unaltered collected data, Scheduled backups, Remote storage backups, Password protection.

Lineage

Lineage Statement:

Vessel sensor data are collected electronically using SCS. Catch and biological data are collected electronically using FSCS 2.0. At the completion of each cruise leg, a database copy is inserted into the shoreside database.

FAQs

FAQ 1

CC ID: 182427
Date: 2014-12-22 00:00:00
Author: Nancy McHugh
Question:

What trawl gear was used during the spring surveys from 1963 - 1996?

Answer:

See Table 3b. of reference: NOAA Technical Memorandum NMFS-NE-122, Essential Fish Habitat Source Document:

Fishery-Independent Surveys, Data Sources, and Methods. Robert N. Reid, Frank P. Almeida, and Christine A. Zetlin.

The #36 Yankee Trawl was used from 1963-1996 except in years 1972 and 1973 when the #36 Yankee was used and the 3/4 Yankee was used by the R/V Atlantic Twin.

FAQ 2

CC ID: 182441
Date: 2014-12-22 00:00:00
Author: Nancy McHugh
Question:

Where can I find conversion coefficients for for species that had significantly different catch rates (in numbers) at the 0.05 level for each of the major gear changes in the survey?

Answer:

See Table 4. of reference: NOAA Technical Memorandum NMFS-NE-122, Essential Fish Habitat Source Document:

Fishery-Independent Surveys, Data Sources, and Methods. Robert N. Reid, Frank P. Almeida, and Christine A. Zetlin.

Child Items

Rubric scores updated every 15m

Rubric Score Type Title
Entity Table: CLOUD
Entity Table: MATURITY_CODES
Entity Table: SEX_CODES
Entity Table: SVGEAR
Entity Table: SVMSTRATA
Entity Table: SVVESSEL
Entity Table: UNION_FSCS_SVBIO
Entity Table: UNION_FSCS_SVCAT
Entity Table: UNION_FSCS_SVLEN
Entity Table: UNION_FSCS_SVSTA
Entity Table: WEATHER
Entity Table: XBT

Catalog Details

Catalog Item ID: 22560
GUID: gov.noaa.nmfs.inport:22560
Metadata Record Created By: Nancy McHugh
Metadata Record Created: 2014-11-14 11:08+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+0000
Metadata Record Published: 2019-05-31
Owner Org: NEFSC
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2019-05-31
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2020-05-31