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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2007-044-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): Mary Carman, WHOI

Information Specialist(s): Dann Blackwood, Page Valentine

Data Type(s): Environmental Data: Temperature, Imagery: Photo, Visual Identification: Submersible Observations

Scientific Purpose/Goals: Study the ecology of the invasive tunicate Didemnum vexillum and its response to seasonal temperature changes in a New England tide pool habitat.


Start Port/Location:

End Port/Location:

Start Date: 2007-12-12

End Date: 2007-12-12

Equipment Used: Digital camera, Stowaway Tidbit temperature logger, Submersible Observation

Information to be Derived:

Summary of Activity and Data Gathered: Collected 1,669 digital photos (jpeg format on CD-ROM) of Didemnum vexillum colonies and tide pool, and time series temperature data.

Staff: Dann Blackwood, Page Valentine

Affiliate Staff:
Mary Carman - WHOI

Notes: This is the final field activity in a series of 41 over 4 years. Tide pool is located at 41.77222 N, 70.49 W. First tide pool visit was 12/04/03. Water temperature loggers were deployed from 07/26/04 to 12/12/07, with a gap in water temperature data from 09/27/04 to 10/31/04. Original Center People field contained: Page Valentine - Ch. Sci.; Dann Blackwood.
Project = National Benthic Habitat Studies - Atlantic, National Benthic Habitat Studies - Atlantic


tide pool, Sandwich Town Beach, Sandwich, Massachusetts, Cape Cod Bay, United States, North America, North Atlantic;

North: 41.77722 South: 41.76722 West: -70.495 East: -70.485


photo of on foot
on foot


Valentine, P.C., Carman, Mary R., Blackwood, Dann S., and Heffron, Erin J., 2007, Ecological observations on the colonial ascidian Didemnum sp. in a New England tide pool habitat: Journal of Experimental Marine Biology and Ecology, v. 342 no. 1, doi: 10.1016/j.jembe.2006.10.021.


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Stowaway Tidbit temperature logger --- Temperature
2007-044-FA-GP-001 ( Water temperature data: collected at 5 minute intervals by Stowaway Tidbit temperature loggers from 07/26/04 to 12/12/07, with a gap in data from 9/27/04 to 10/31/04.)
Digital camera --- Photo
Submersible Observation --- Submersible Observations
2007-044-FA-NL-001 ( P. Valentine's tide pool notes: Excel spreadsheet summarizing data collected for 41 tide pool visits.)

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