Funding Smithsonian Scientific Research (2003)

Estuarine Biology

• Monitoring physical and chemical variables of Rhode River, a subestuary of the Chesapeake Bay – 32 years

• Monitoring water quality and tide level of Chesapeake Bay main stem – 10 years

• Monitoring phytoplankton and microzooplankton population dynamics in Rhode River – 27 years and 15 years, respectively

• Monitoring fish population dynamics in Muddy Creek with fish weir – 20 years

• Monitoring nearshore fish population dynamics in Rhode River with seining – 22 years

• Monitoring epibenthic fish and decapod crustaceans with trawls – 22 years

• Monitoring benthic infauna in Rhode River – 23 years

• Monitoring nearshore shrimp and fish with sweep-net and log-drop sampling – 11 years

• Monitoring crab, killifish, and grass shrimp survival with tethering – 11 years

• Monitoring watershed discharges and stream chemistry in Rhode River weir system – 32 years

Plant Ecology

• Studying effects of CO₂ enrichment on marsh communities and ambi-

ent CO₂ in Rhode River marsh (“World’s longest-running field experiment on the effects of CO₂ enrichment on natural plant communities”) – 15 years

• Studying effects of CO₂ enrichment on scrub oak at Kennedy Space Center – 6 years

• Estimating productivity in Rhode River marsh – 20 years

• Estimating productivity of old forest and mid succession forest – 25 years

• Studying deciduous-forest tree dynamics in Rhode River watershed: species composition and demography on permanent plots – 12 years

Animal Ecology

• Breeding-bird surveys in Rhode River watershed – 20 years

• Records of precipitation, temperature, wind speed, and so on in Rhode River watershed – 32 years

• Records of precipitation chemistry (wet and dryfall) in Rhode River watershed – 26 years

• Records of micrometeorology of Smithsonian Environmental Research Center deciduous forest – 8 years

• Records of ultraviolet radiation in Maryland and Hawaii – 25 years and 16 years, respectively

• Geographic database of topography, land-use composition and patterns, streams and rivers, and shorelines of Rhode River watershed – 55 years

• Geographic database of land-use history of southern Anne Arundel County based on historical surveys and records, aerial photography, and satellite imagery – 300 years