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
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
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 ...
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 ...
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 ...
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; ...
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
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 ...
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 ...