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16 Titles Match Your Query
Showing 1 through 16 of 16
1. Breeding Bird Surveys at SERC [siserc_bird001]
The locations of all birds seen or heard during a census were marked on a map. Censuses were conducted along 10 lanes, 50 m apart through a 15 ha section of mature upland forest that was dominated ...


2. Dynamics of Forest Trees in the SERC Tower Stand, SERC, Edgewater, MD [siserc_cano020]
Measurements of identity size, and health of all woody plants in the SERC tower stand (1.635 hectares): a study of stand dynamics taken every three years. Location: SERC Tower Forest, Edgewater, ...


3. Dynamics of Forest Trees in the SERC Western Triangle Stand, SERC, Edgewater, MD [siserc_cano021]
Measurements of identity, size, and health of all woody plants in the SERC Western Triangle stand (1.0 hectares): a study of stand dynamics taken every three years. Location: SERC Western Triangle ...


4. Dynamics of PAR and UVB Transmittance, SERC, Edgewater, Maryland [siserc_cano011]
Transmittance of broadband PAR and UVB radiation taken at 22 irregular intervals throughout the year from a slanting guy-wire trolley system at the SERC forest tower (1.635 ha in size). Location ...


5. Foliage Leaching by Acids at SERC, Edgewater, MD. [siserc_cano004]
Acid-dependent leaching potential (pH 2.5,3,3.5,4,4.5,5,&5.5) of major solutes from leaves of 7 major canopy species measured in the laboratory using a rainwater simulation procedure ("leaching potential"). ...


6. Infaunal Macroinvertebrates at the Smithsonian Environmental Research Center [siserc_crab002]
Populations of infaunal macroinvertebrates in the Rhode River subestuary of the Chesapeake Bay were monitored starting in October 1979. Samples were collected bimonthly from late March to early December. ...


7. Juvenile Blue Crab Mortality at the Smithsonian Environmental Research Center [siserc_crab001]
Tethering techniques are used to assess sources of and temporal variation in juvenile blue crab mortality as a function of water depth in the nearshore shallows of the Rhode River subestuary. Twenty-five ...


8. Leaf Area Phenology in a Mixed Deciduous Forest, SERC, Edgewater, MD [siserc_cano013]
Leaf area by species and height interval for all species in the SERC Tower stand for the entire growing season of 1994: the details of canopy structural phenology. Measurements taken about 20 times ...


9. Marsh Elevated CO2 Study-Aboveground Biomass, SERC, Edgewater, MD [siserc_co2007]
Aboveground biomass data and graphs by community, CO2 treatment and year. Data are in summary form rather than by plot. Measurements taken annually (end of Jyly-beginning of August). 0.8 m diameter ...


10. Marsh Elevated CO2 Study-Absolute CO2 Concentrations, SERC, Edgewater, MD [siserc_co2002]
Ambient atmospheric CO2 concentration and CO2 concentration in the 15 elevated CO2 open top chambers in C3, C4 and mixed C3&C4 communities (5 per community). Data were averaged over 15 minute periods; ...


11. Marsh Elevated CO2 Study-Meteorologic Data, SERC, Edgewater, MD [siserc_co2001]
Meteorologic data for Kirpatrick marsh, site of the elevated CO2 experiment. Data were averaged over 15 minute periods; chamber measurements only when chambers are on. Points were within the three ...


12. Marsh Elevated CO2 Study-Root and Rhizome Biomass, SERC, Edgewater, MD [siserc_co2008]
Belowground root and rhizome mass by community, CO2 treatment and year. Location: Kirkpatrick Marsh, Rhode River, Anne Arundel County, MD. Measurements taken annually, typically in November. Site ...


13. Marsh Elevated CO2 Study-Shoot Number, SERC, Edgewater, MD [siserc_co2005]
Shoot density data for C3 and C4 plants in the C3, C4 and mixed communities under ambient and elevated CO2 and in chamberless plots. Scirpus olneyi densities were obtained by censusing the entire ...


14. Marsh Elevated CO2 Study-Stem Measurements including Leaf Area, Scirpus olneyi, SERC, Edgewater, MD [siserc_co2006]
Leaf area of Scirpus olneyi determined by measuring the green length (height) and the diameter at the midpoint of the shoot. Length, diameter, and dry mass of these subsample shoots are used in combination ...


15. Whole Canopy PAR Transmittance in Stand Development, SERC, Edgewater, MD [siserc_cano018]
A one time measurement of leaf area by species and height interval for all species in the SERC Tower stand for the entire growing season of 1994: the details of canopy structural phenology. Site ranges ...


16. Winter Bird Counts at SERC. [siserc_bird002]
Volunteers (# Range: 7-22) walked and drove through 4 areas (70 km2 site size) around SERC property and recorded the number of each species of bird that they saw. Most observations were done between ...


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