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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2006-002-FA

Other ID: none

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): Page Valentine

Affiliate Investigator(s): Bob Reid, NOAA Fisheries

Information Specialist(s): Page Valentine

Data Type(s): Environmental Data: CTD, Imagery: Photo, Imagery: Video, Sampling: Biology, Sampling: Geology

Scientific Purpose/Goals: Seabed habitat mapping: mapping of distribution of invasive tunicate, Didemnum sp.


Start Port/Location: Woods Hole, MA

End Port/Location: Woods Hole, MA

Start Date: 2006-08-22

End Date: 2006-09-01

Equipment Used: SeaBOSS, CTD, Dredge, Trawl, Digital camera

Information to be Derived: Habitat maps;

Summary of Activity and Data Gathered: Activities included video/photo drifts with SEABOSS for habitat and fauna description; CTD casts, otter trawling, and dredging for biological samples.

Staff: Dann Blackwood, Jennifer Bonin, Page Valentine

Affiliate Staff:
Jeremy Collie
and graduate students

Notes: Mobilization will begin on Friday, Aug. 18.
Project = National Benthic Habitats Studies - Atlantic, National Benthic Habitats Studies - Atlantic


Georges Bank, United States, North America, North Atlantic,

North: 42.11667 South: 41.78333 West: -67.5333 East: -66.46667


photo of Delaware II
Delaware II


Lengyel, N.L., Collie, Jeremy S., and Valentine, Page C., 2009, The invasive colonial ascidian Didemnum vexillum on Georges Bank - ecological effects and genetic identification: Aquatic Invasions, v. 4 no. 1, URL:

Valentine, P.C., Carman, Mary R., Dijksta, Jennifer, and Blackwood, Dann S., 2009, Larval recruitment of the invasive colonial ascidian Didemnum vexillum, seasonal water temperatures in New England coastal and offshore waters, and implications for spread of the species: Aquatic Invasions, v. 4 no. 1, URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Trawl --- Biology
Dredge --- Biology
SeaBOSS --- Experiments
Species ID
Digital camera --- Photo
2006-002-FA-PH-002 ( Deck photos of field activity operations.)

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