Tohopekaliga East (Osceola County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°17'42", Longitude 81°17'14"
Period of record: 25 sampling dates; December 17, 1997 to December 19, 1999
Surface area (LAKEWATCH): No data available.
Lake Region (Griffith et al. 1997): Osceola Slope
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 Kissimmee Valley division of the Eastern Flatwoods District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 4 months sampled:
|
pH |
6.4 |
Sulfate (mg/L) |
15.3 |
|
Total alkalinity (mg/L as CaCO3) |
5.3 |
Calcium (mg/L) |
2.7 |
|
Conductance (µS/cm @ 25 °C) |
103 |
Magnesium (mg/L) |
11.6 |
|
Color (Pt-Co units) |
31 |
Sodium (mg/L) |
10.9 |
|
Chloride (mg/L) |
21.1 |
Potassium (mg/L) |
1.9 |
|
Silicon (mg/L) |
0.6 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 25 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
15 |
22 |
32 |
|
Long-term total nitrogen concentrations (µg/L) |
510 |
620 |
800 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.7 |
4.8 |
8.3 |
|
Long-term Secchi depth (ft) |
3.3 |
5.3 |
10.0 |
1999 Florida LAKEWATCH Data
Numbers reported below are monthly averages calculated from 3 stations for total phosphorus (TP, µg/L), total nitrogen (TN, µg/L), chlorophyll (CHL, µg/L) and Secchi depth (SECCHI, ft) during 1999:
|
Date |
TP (µg/L) |
TN (µg/L) |
CHL (µg/L) |
SECCHI (ft |
|
Jan-16-99 |
19 |
570 |
3.0 |
7.0 |
|
Feb-20-99 |
21 |
560 |
2.0 |
4.0 |
|
Mar-21-99 |
24 |
530 |
3.5 |
5.5 |
|
Apr-10-99 |
20 |
560 |
2.0 |
5.5 |
|
May-17-99 |
17 |
510 |
1.7 |
10.0 |
|
Jun-21-99 |
15 |
510 |
3.7 |
8.0 |
|
Jul-10-99 |
16 |
540 |
4.0 |
8.0 |
|
Aug-21-99 |
21 |
540 |
7.3 |
4.7 |
|
Sep-19-99 |
22 |
600 |
6.7 |
5.0 |
|
Oct-24-99 |
19 |
630 |
8.0 |
4.3 |
|
Nov-20-99 |
20 |
740 |
8.0 |
3.3 |
|
Dec-19-99 |
22 |
690 |
8.3 |
4.7 |
|
|
|
|
|
|
|
1999 Average |
20 |
580 |
4.8 |
5.8 |
Tohopekaliga East (Osceola County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on June 8, 1999
|
Percent area covered with aquatic vegetation (PAC, %) |
6 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
2 |
|
Average emergent plant biomass (kg wet wt/m2) |
2.3 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.8 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.8 |
|
Average width of emergent and floating-leaved zone (ft.) |
440 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 20 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
giant bulrush |
Scirpus californicus |
100 |
|
torpedograss |
Panicum repens |
75 |
|
knot grass |
Paspalum distichum |
60 |
|
cat-tail |
Typha spp. |
55 |
|
tapegrass |
Vallisneria americana |
55 |
|
spatterdock |
Nuphar luteum |
45 |
|
maidencane |
Panicum hemitomon |
45 |
|
musk-grass |
Chara spp. |
45 |
|
dwarf arrowhead |
Sagittaria subulata |
40 |
|
slender spikerush |
Eleocharis baldwinii |
30 |
|
pickerelweed |
Pontederia cordata |
30 |
|
willow |
Salix spp. |
30 |
|
fragrant water-lily |
Nymphaea odorata |
15 |
|
rush fuirena |
Fuirena scirpoidea |
15 |
|
bladderwort |
Utricularia foliosa |
10 |
|
cone-spur bladderwort |
Utricularia gibba |
5 |
|
fanwort |
Cabomba caroliniana |
5 |
|
stonewort |
Nitella spp. |
5 |
|
elderberry |
Sambucus canadensis |
5 |
Tohopekliga East (Osceola County)
Electrofishing Data
|
|
|
|
Canfield and Hoyer (1992) Ranges |
||
|
Species1 |
#/hr |
kg/hr2 |
min weight (kg/hr) |
mean weight (kg/hr) |
max weight (kg/hr) |
|
Bluegill |
17 |
1.5 |
0.3 |
50.3 |
447 |
|
Bowfin |
3 |
7.8 |
3 |
54.5 |
225 |
|
Brook silverside |
1 |
0 |
0 |
0.2 |
1.4 |
|
Dollar sunfish |
2 |
0 |
0 |
0.3 |
0.5 |
|
Florida gar |
30 |
15.6 |
0.8 |
50.1 |
328.6 |
|
Largemouth bass |
34 |
4.9 |
1.1 |
82 |
284.6 |
|
Redear sunfish |
11 |
2.2 |
0.1 |
24.3 |
183.1 |
|
Seminole killifish |
2 |
0 |
0 |
4.2 |
22.3 |
|
Taillight shiner |
24 |
0 |
0 |
0.1 |
0.4 |
|
|
|
|
|
|
|
|
Total |
124 |
32 |
|
|
|
1
Total # of species = 9.
Catch per unit of effort (kg of fish / hour of sampling) versus total chlorophyll (mg/m3) and number of fish species collected versus surface area of lake for 60 Florida lakes sampled by Canfield and Hoyer (1992) (•) and Lake Tohopekaliga East (Polk County) electrofishing sampling (o). The lines represent linear regressions for logged values of the 60 Florida lakes.