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Celebrating 100 Years of Science! | 1925-2025

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Symbol Package
Injured Barred owl recovering in captivity.
Strix varia (Barred Owl) in captivity
close up on a great horned owl.
Bubo virginianus (Great Horned Owl) in captivity
These cages protect sea beach amaranth, an endangered species, from deer and wild horses
Plant Cage
These cages protect sea beach amaranth, an endangered species, from deer and wild horses
Plant Cage
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
Assembled gear to deploy oyster biological indicators. Cages will hold the oysters and will be suspended 0.5 meters above the bottom by the buoys and anchored by the bricks.
Cages for deploying oyster biological indicators
Oysters are placed in cages which are suspended by buoys and anchored with bricks.
Cages for oyster biological indicators
The oysters in this cage are being deployed as biological indicators of nitrogen source. They will be suspended 0.5 meters above the bottom by the white buoy.
Oyster biological indicators
Bags holding oysters hang off the Horn Point Laboratory dock under a layer of ice in the Choptank River
Oyster bags under a frozen river
Oyster biological indicator cages have been collected after deployment.
Fieldwork in Maryland's Coastal Bays
Cages used for deploying oyster biological indicators in Monie Bay component of Chesapeake Bay National Estuarine Research Reserve are collected in the small boat.
Collecting oyster biological indicator buoys
Some cages became very fouled with algae and bryozoans during deployment while others did not. These two cages were deployed at the same location during the same time period.
Fouling of cages for oyster biological indicators
Cages for oyster biological indicators are messy with sediment and fouling after deployment
Messy cages
Illustration of turtle nest anti-predatory cage
Turtle nest anti-predatory cage
Illustration of fish trap
Fish trap 2
Illustration of fish cage underwater view
Fish cages
Illustration of fish cage surface view
Fish cages 2
Bricks anchor the cages for deploying oyster biological indicators
Assembling biological indicator gear
Ben Fertig collects his oyster biological indicator samples.
Ben collects his oysters

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Cambridge, MD 21613

410-221-2048

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