| Variables Measured | Area | # Sites/ reps | Coverage: Non-Tidal/ Tidal Fresh/ Estuarine | Temporal resolution | |
| Chesapeake Bay Program | |||||
|---|---|---|---|---|---|
| Biological field sampling | TN, salinity, DO, chl-a, DIN, Si, TOC | 13 | NT, TF, E | 2-4 wks. | |
| COASTES | |||||
| Mesocosms & Field Enclosures | nutrients; toxics effects on plankton, fish, benthos | 0.5 & 3 m diams | 20 cosms | 4x/yr | |
| Field sampling | contaminants | ||||
| Economic valuation | recreational fish values | ||||
| CEES (Cornwell and Zelenke) | |||||
| Marsh sediment accumuluation and nutrient profiles | sediment accretion and nutrient burial | Pax River | 19 | TF | |
| Future work | denitrification | ||||
| MDNR | |||||
| Water Quality Measurements | TN, TP, DIN, DIP, Si, TSS, DO, T, Sal., TOC, chl-a | Pax River | 13 | NT, TF, E | 20x/yr |
| Biological Measurements | phytoplankton/ zooplankton sp. comp.; phytoplankton biomass/ productivity | Pax River | 3 | TF, E | 14x/yr |
| benthic macroinverts-sp. comp | Pax River | 25 | TF, E | 2x/yr | |
| Ecosystem Processes | sediment nutrient fluxes | Pax River | 4 | E | 4x/yr |
| CEES (MEERC) | |||||
| Mesocosms | varies (0.1-3 m3) | ||||
| Marsh mesocosms | 6 x 1 m | ||||
| SERC | |||||
| Stream sampling | flow, dissolved material | >130 sites | |||
| Automated sampling | particulates, storm transport | integrated weekly | |||
| water quality (N, P, Si, toxics, As, Cd, Cu) | |||||
