Other ID: none
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Principal Investigator(s): Michael Bothner
Information Specialist(s): Michael Casso
Data Type(s): Sampling: Biology
Scientific Purpose/Goals: Collect pre-spawning adult river herring from Trunk River in order to determine the flux of mercury in this coastal ecosystem by way of migrating fish. Continue the time-series of Hg data on herring started with the migration of 2008.
Start Date: 2011-04-04
Start Port/Location: Trunk River, Oyster Pond
End Date: 2011-04-05
End Port/Location: Trunk River, Oyster Pond
Equipment Used: Cast net
Information to be Derived: Samples and chemical analysis;
Summary of Activity and Data Gathered: One male adult herring was collected on the evening of April 4 and two female adult herring were collected on April 5, 2011 as they migrated upstream in Trunk River near the bike path bridge. The fish were weighed, length measured, and subsampled for total mercury concentration. The eggs were also analyzed for mercury.
Staff: Michael Casso
Oyster Pond,Trunk River, Falmouth, Massachusetts,United States, North America