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Conceptual diagram illustrating a cross section of an array of sampling wells surrounding a Class V injection well to determine rate and direction of wastewater plume and concentration of nutrients as the plume moves through limestone. — Cross section of sampling well array

Deepwater research station

Conceptual diagram illustrating different monitoring activities implemented on Assateague Island to track changing habitats. Monitoring activities - which are habitat specific - include water quality, seagrass area, salt marsh nekton survey, surface elevation table, plover nests and fledgling success, upland elevation change, shoreline rate of change, and beach topography. — Monitoring Activities to Track Changing Habitats…

Monitoring: beach topography

Monitoring: biologist bird-watcher

Monitoring: deer population count

Monitoring: salt marsh nekton survey

Monitoring: surface elevation table

This diagram provides the framework for a science-based, policy-relevant, environmental health report card. — Conceptual framework for an environmental report…

Environmental report cards synthesize and communicate large amounts of data to a broad audience. They can be used as a way to catalyze improvements in ecosystem health, guide restoration efforts, resolve transboundary differences, develop new environmental insights, create new indicators and metrics, justify monitoring efforts, accelerate data analyses, and stimulate relevant research. — Five Steps to Develop an Environmental Report Card

Different layers of environmental condition information are provided based on different audiences, from officials and the general public to the scientific community. — Hierarchical Structure of Report Card Framework

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

Rain during a cruise along the Patuxent River — Raingear on the Patuxent

buoys marking oyster biological indicators at Monie Creek, a tributary of Monie Bay, National Estuarine Research Reserve — Buoys in Monie Creek

Calipers

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

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

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