Tedder (Volusia County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°8'52", Longitude 81°21'7"
Period of record: 8 sampling dates; December 4, 1990 to February 16, 1992
Surface area : No data available.
Lake Region (Griffith et al. 1997): Crescent City/DeLand Ridges
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Crescent City-Deland Ridge division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 8 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
12 |
19 |
28 |
|
Long-term total nitrogen concentrations (µg/L) |
710 |
790 |
870 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.0 |
7.4 |
16.0 |
|
Long-term Secchi depth (ft) |
1.9 |
2.2 |
2.6 |
Florida LAKEWATCH data were not collected in 1999.
Tedder (Volusia County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on May 28, 1992
|
Percent area covered with aquatic vegetation (PAC, %) |
24 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
7 |
|
Average emergent plant biomass (kg wet wt/m2) |
1.0 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
2.0 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
196 |
|
Average lake depth (m) |
2 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
fragrant water-lily |
Nymphaea odorata |
100 |
|
spatterdock |
Nuphar luteum |
70 |
|
pickerelweed |
Pontederia cordata |
70 |
|
water primrose |
Ludwigia octovalvis |
50 |
|
common salvinia |
Salvinia rotundifolia |
40 |
|
duck-potato |
Sagittaria lancifolia |
40 |
|
maidencane |
Panicum hemitomon |
40 |
|
buttonbush |
Cephalanthus occidentalis |
30 |
|
torpedograss |
Panicum repens |
30 |
|
smartweed |
Polygonum hydropiperoides |
10 |
|
bacopa |
Bacopa monnieri |
10 |
|
cat-tail |
Typha spp. |
10 |
|
water-pennywort |
Hydrocotyle umbellata |
10 |
|
cone-spur bladderwort |
Utricularia gibba |
10 |
|
water spikerush |
Eleocharis elongata |
10 |
|
rush spp. |
Juncus acuminatus |
10 |