Dataset: fishlarvaeB
Deployment: AL9904

Georges Bank Fish Larvae Data from Bongo Nets, 1995-1999.

Principal Investigator:

Dr Donna L. Johnson (National Marine Fisheries Service, NMFS)

BCO-DMO Data Manager:

Ms Dicky Allison (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

U.S. GLOBEC Georges Bank (GB)

Data URL:

https://www.bco-dmo.org/dataset-deployment/449437/data

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Description

Georges Bank Fish Larvae Data from Bongo Nets

¹Standard Haul Factor: numerical factor (multiplier) used to standardize catches to be expressed as number caught per 10m2 of sea surface area. Most haul factors range from 1 to 10. The Standard Haul Factor has not been applied to the data reported here.

Specifics on bongo tow displacement volumes can be seen on the companion file "bongovols" under the heading of broadscale cruises.

Any questions, contact:

Donna Johnson
National Marine Fisheries Service
Sandy Hook Laboratory
74 Magruder Road
Highlands, NJ  07732

voice: (732) 872-3092 
fax: (732) 872-3088
email:  djohnson@snook.sh.nmfs.gov

updated:  June 3, 2004, G.Heimerdinger

Methods & Sampling

Dataset acquisition description

GLOBEC Fish Larvae collected by Bongo nets,Standard Haul Factor: numerical factor (multiplier) used to standardize catches to be expressed as number caught per 10m2 of sea surface area. Most haul factors range from 1 to 10. The Standard Haul Factor has not been applied to the data reported here.

Deployment-specific acquisition description

Data Processing Description

Dataset Processing Description

More information about this dataset deployment

Funding

Award Number	Funding Source
unknown GB NOAA	National Oceanic and Atmospheric Administration
unknown GB NSF	National Science Foundation

Instruments

Bongo Net

Supplied Name: Bongo Nets

Supplied Description:

60 cm diameter Bongo nets (0.335 millimeter mesh).

Instrument Type

Generic Name: Bongo Net

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/NETT0009/

Generic Description:

A Bongo Net consists of paired plankton nets, typically with a 60 cm diameter mouth opening and varying mesh sizes, 10 to 1000 micron. The Bongo Frame was designed by the National Marine Fisheries Service for use in the MARMAP program. It consists of two cylindrical collars connected with a yoke so that replicate samples are collected at the same time. Variations in models are designed for either vertical hauls (OI-2500 = NMFS Pairovet-Style, MARMAP Bongo, CalVET) or both oblique and vertical hauls (Aquatic Research). The OI-1200 has an opening and closing mechanism that allows discrete "known-depth" sampling. This model is large enough to filter water at the rate of 47.5 m3/minute when towing at a speed of two knots. More information: Ocean Instruments, Aquatic Research, Sea-Gear

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
cruiseid	Cruise id, e.g. EN330, for Endeavor cruise 330		cruiseid
year	Four digit year, local time		year
inst	Instrument identifier (Bongo versus MOCNESS-1)		instrument
station_std	Standard station number on a cruise		station_std
tow	Bongo plankton tow station number on a cruise		tow
lat	Latitude, at start of tow	decimaldegrees	lat
lon	Longitude, at start of tow	decimaldegrees	lon
month_local	Month of year (01-12), local time		month_local
day_local	Day of year (01-31), local time		day_local
time_local	Time at start of tow, local time	hours/minutes	time_local
depth_tow_max	Maximum depth of the tow	meters	depth_tow_max
net	Net identifier		net
haul_factor_std	Standard Haul Factor1		haul_factor_std
taxon	Taxonomic name of larval fish species		taxon
num_caught	Number of the specific fish larvae caught	number of fish caught	num_caught
num_measure	Number of fish larvae measured		num_measure
fish_len	Length of each fish larvae measured	millimeters	fish_len
num_fish_len	Number of fish larvae at that length		num_fish_len

Database

Contribute Data

Dataset: fishlarvaeB
Deployment: AL9904

Georges Bank Fish Larvae Data from Bongo Nets

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: fishlarvaeBDeployment: AL9904

Georges Bank Fish Larvae Data from Bongo Nets

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Dataset: fishlarvaeB
Deployment: AL9904