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Item Identification

Title: USVI Larval Distribution and Supply
Short Name: USVI Larval Distribution and Supply
Status: Completed

Fisheries oceanography research cruises were conducted aboard the NOAA Ship Nancy Foster. The research conducted was aimed at answering the following three questions:

1) How do the abundance and composition of ichthyoplankton around Grammanik Bank and other similar banks change with space and time?

2) How much of this variation in abundance and composition can be explained by the oceanographic setting?

3) How do the oceanography and ichthyoplankton assemblages' interface with the boundary areas of seasonally or permanently closed MPAs?

We sampled settlement-stage larvae in conjunction with an oceanographic (biological, physical and chemical) survey of the bank system, coral reef environs, and inshore waters of the USVI, with emphasis on present and possible future MPAs. Surveys included bongo and one meter multiple open and closing net environmental sampling system (MOCNESS) trawl tows, as well as CTD02/LADCP casts profiling, temperature, salinity, dissolved oxygen, light transmission, chlorophyll, and water velocity. Continuous surface measurements of temperature, salinity, light transmission, chlorophyll, and water velocity were collected via the ship's flow-through system and hull-mounted ADCP. Independent temperature profiles were obtained using XBT.

Finally, satellite-tracked, Lagrangian surface drifters were deployed to assess regional ocean circulation. Stations directed at the Virgin Islands were designed along transects that allowed for sampling near shore, along the shelf edge, and offshore. Depending on the location along the sampling transects, various biological and/or physical oceanographic sampling methods were used.


To observe variation in ichthyoplankton abundance and composition in the region due to oceanographic processes

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Currentness Reference: Ground Condition

Extent Group 1

Extent Group 1 / Time Frame 1

CC ID: 188122
Time Frame Type: Range
Start: 2007
End: 2011


MOCNESS Multiple Opening and Closing Environmental Sampling System

Catalog Details

Catalog Item ID: 11415
GUID: gov.noaa.nmfs.inport:11415
Metadata Record Created By: Lee M Weinberger
Metadata Record Created: 2011-11-01 16:10+0000
Metadata Record Last Modified By: Lee M Weinberger
Metadata Record Last Modified: 2022-12-01 15:08+0000
Metadata Record Published: 2022-04-27
Owner Org: SEFSC
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2022-04-27
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2023-04-27