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Symbol Package
An aerial view of the UMCES IMET building in Baltimore, Maryland
IMET building
An aerial view of the UMCES IMET building in Baltimore, Maryland
IMET building
First annual release of the Maryland's Coastal Bays Report Card. These sensitive coastal lagoons received an overall grade of C+ for 2008. Scientists, the Maryland Coastal Bays Program, National Parks Service, state and local politicians, other dignitaries, and the general public gathered to hear the assessment which was based on water quality and other monitoring data and disseminated widely through various media. The Report Card was a collaboration between several entities, including the University of Maryland Center for Environmental Science, IAN, EcoCheck, and the Maryland Coastal Bays Program.
Bill gets interviewed
Oyster dredge aboard the R/V Aquarius
Oyster dredge
Water quality monitoring fieldwork in Maryland's Coastal Bays
Fieldwork in Maryland's Coastal Bays
Field equipment and gear is prepared for use
Preparation of field equipment
buoys marking oyster biological indicators at Monie Creek, a tributary of Monie Bay, National Estuarine Research Reserve
Buoys in Monie Creek
Readying and checking research equipment on the Aquarius during a cruise along the Patuxent River
Checking equipment on the Aquarius
Laboratory drying oven. Oyster tissue samples are on the bottom shelf and dried at 60 degrees Celcius overnight or until thoroughly dry. Dessicant is on the middle shelf to remove any moisture.
Drying oven
Fishing net
Fishing net
Samples are ground with mortar and pestle
Grinding with mortar and pestle
Oysters deployed as biological indicators of nitrogen source were dried and then ground for stable nitrogen isotope analysis. Muscle tissue is on the left, gills are in the middle, and mantle tissues are on the right.
Ground oyster tissue
For stable isotope analysis, small subsamples of homogenously ground oyster tissues in the scintillation vial are placed in the tin capsule, held by the forceps.
Ground oyster tissue and tin capsule
Collecting plankton along the Patuxent River
Plankton collection
On deck the Aquarius during a cruise along the Patuxent River
Raingear on deck
David Needham adds formalin to sample bacteria and viruses in a tributary of Monie Bay, National Estuarine Research Reserve
Sampling bacteria and viruses in Monie Bay, NERRS
Preparing a sediment core for sampling
Sediment core preparation
This sediment grab remains open when sent to the bottom and the release snaps shut the mouth for sediment collection.
Sediment grab
Sediment slurries in 125 mL Erlenmeyer flasks capped with rubber stoppers to prevent gas exchange for indirect measurements of denitrification using acetylene inhibition techniques
Sediment slurries
Sediments from the Patuxent River are sifted through onboard the R/V Aquarius to collect and identify benthic organisms
Sifting for benthic organisms
Water samples from the Patuxent River are prepared for analysis on board the R/V Aquarius
Water sample preparation
Oyster biological indicators are deployed in mesh cages that will be suspended 0.5 meters above the bottom by the white buoys and anchored by the bricks.
Cages for deploying oyster biological indicators
Making field measurements and sampling along a depth profile in the Patuxent River in the rain.
Measurements in the rain
The R/V Aquarius: built 1964, length: 64', beam: 16', height: 28', draft: 5'6
R/V Aquarius
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Cambridge, MD 21613

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