Spring (Clay County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°49'3", Longitude 81°59'12"
Period of record: 70 sampling dates; June 15, 1991 to August 21, 1997
Surface area (Shafer et al. 1986): 146 acres / 59 hectacres
Lake Region (Griffith et al. 1997): Trail Ridge
Geologic formation (Brooks 1981):
The geology is dominated by quartz sand and quartzite gravel with sandy clay beds of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Interlachen Sand Hills division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 70 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
9 |
15 |
28 |
|
Long-term total nitrogen concentrations (µg/L) |
150 |
240 |
380 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.7 |
5.6 |
30.3 |
|
Long-term Secchi depth (ft) |
3.1 |
5.9 |
10.5 |
Florida LAKEWATCH data were not collected in 1999.
Spring (Clay County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 9, 1992
|
Percent area covered with aquatic vegetation (PAC, %) |
0 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
0 |
|
Average emergent plant biomass (kg wet wt/m2) |
1.0 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.0 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
83 |
|
Average lake depth (m) |
2 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
maidencane |
Panicum hemitomon |
80 |
|
rush fuirena |
Fuirena scirpoidea |
80 |
|
jointed flat sedge |
Cyperus haspan |
80 |
|
southern cutgrass |
Leersia hexandra |
50 |
|
soft rush |
Juncus effusus |
30 |
|
slender spikerush |
Eleocharis baldwinii |
20 |
|
dwarf arrowhead |
Sagittaria subulata |
20 |
|
willow |
Salix spp. |
20 |
|
red ludwigia |
Ludwigia repens |
10 |