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Symbol Package
Field equipment and gear is prepared for use
Preparation of field equipment
Rain during a cruise along the Patuxent River
Raingear on the Patuxent
Readying and checking research equipment on the Aquarius during a cruise along the Patuxent River
Checking equipment on the Aquarius
On deck the Aquarius during a cruise along the Patuxent River
Raingear on deck
This sediment grab remains open when sent to the bottom and the release snaps shut the mouth for sediment collection.
Sediment grab
Sediments from the Patuxent River are sifted through onboard the R/V Aquarius to collect and identify benthic organisms
Sifting for benthic organisms
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 grab sampler will collect sediment samples once the spring releases the jaws at the bottom of the Patuxent River.
Sediment grab sampler
Oysters are placed in cages which are suspended by buoys and anchored with bricks.
Cages for oyster biological indicators
Excess fine grained oxic and anoxic sediments from a sample core taken from the Patuxent River
Fine sediments from Patuxent River
A sediment core has been collected and is being prepared for storage and analysis by carefully filling the core with water from the sample site to minimize disturbance.
Sediment core preparation
Water samples from the Patuxent River are collected and prepared for analysis on board the R/V Aquarius
Water sample analysis
Plankton net tows behind a ship, collecting samples in the jar at the end of the net.
Plankton net
Snorkeling to gather samples for research aboard the Parker
Collecting samples with the Parker
Illustration of a female archaeologist
Archaeologist: female
Illustration of a male archaeologist
Archaeologist: male
Graduate student Ben Fertig holds a cage that will be used for deploying oyster biological indicators. This gear is also equipped to hold a perforated cup for deploying macroalgal biological indicators at half Secchi depth.
Deployment cage for oyster biological indicator

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