Tibet (Orange County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°27'15", Longitude 81°31'28"

Period of record: 92 sampling dates; June 18, 1992 to December 16, 1999

Surface area (LAKEWATCH): No data available.    Bathymetric Map

Lake Region (Griffith et al. 1997): Doctor Phillips Ridge

Geologic formation (Brooks 1981):

The geology is dominated by phosphatic sand, silty sand, and clay of the Hawthorne Formation.

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Supplemental, unpublished water chemistry data, University of Florida.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 2 months sampled:
 
pH
7.3
 Sulfate (mg/L)
27.7
Total alkalinity (mg/L as CaCO3)
15.7
 Calcium (mg/L)
10.3
Conductance (µS/cm @ 25 °C)
189
 Magnesium (mg/L)
5.2
Color (Pt-Co units)
17
 Sodium (mg/L)
10.0
Chloride (mg/L)
26.1
 Potassium (mg/L)
7.4
Silicon (mg/L)
0.2
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 92 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
5
10
18
Long-term total nitrogen concentrations (µg/L)
310
440
620
Long-term total chlorophyll concentrations (µg/L)
1.0
3.6
8.7
Long-term Secchi depth (ft)
6.0
9.1
13.7

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
8
320
1.7
10.5
Feb-15-99
9
360
1.3
8.8
Mar-16-99
10
340
1.3
9.5
Apr-14-99
9
370
1.0
12.0
May-15-99
9
400
1.3
11.8
Jun-14-99
9
430
1.0
9.8
Jul-23-99
9
430
2.7
10.7
Aug-18-99
10
470
3.0
9.6
Sep-17-99
9
380
2.7
10.4
Oct-14-99
8
490
3.3
9.5
Nov-12-99
11
380
2.7
9.2
Dec-16-99
9
540
2.3
9.2
         
1999 Average
9
410
2.0
10.1

 

Tibet (Orange County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on June 10, 1993

Percent area covered with aquatic vegetation (PAC, %)
24
Percent of lake's volume filled with vegetation (PVI, %)
2
Average emergent plant biomass (kg wet wt/m2)
4.3
Average floating-leaved plant biomass (kg wet wt/m2)
2.0
Average submersed plant biomass (kg wet wt/m2)
1.7
Average width of emergent and floating-leaved zone (ft.)
174
Average lake depth (m)
5

 

Frequency that plant species occur in 12 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
duck-potato Sagittaria lancifolia
100
fragrant water-lily Nymphaea odorata
100
bald cypress Taxodium distichum
100
maidencane Panicum hemitomon
83
rush fuirena Fuirena scirpoidea
75
pickerelweed Pontederia cordata
67
cat-tail Typha spp.
58
water-pennywort Hydrocotyle umbellata
58
torpedograss Panicum repens
58
spatterdock Nuphar luteum
50
buttonbush Cephalanthus occidentalis
50
banana-lily Nymphoides aquatica
42
willow Salix spp.
42
slender spikerush Eleocharis baldwinii
25
hydrilla Hydrilla verticillata
25
stonewort Nitella spp.
25
. Lyngbya spp.
25
knot grass Paspalum distichum
25
variable-leaf milfoil Myriophyllum heterophyllum
17
water primrose Ludwigia octovalvis
17
bladderwort Utricularia foliosa
17
elderberry Sambucus canadensis
17
floating water-hyacinth Eichhornia crassipes
8
lemon bacopa Bacopa caroliniana
8
tapegrass Vallisneria americana
8
bog-moss Mayaca fluviatilis
8
purple fanwort Cabomba pulcherrima
8
salt-bush Baccharis spp.
8
wax myrtle Myrica cerifera
8
sawgrass Cladium jamaicense
8

 

Tibet (Orange County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on June 1, 1999

Percent area covered with aquatic vegetation (PAC, %)
24
Percent of lake's volume filled with vegetation (PVI, %)
5
Average emergent plant biomass (kg wet wt/m2)
3.2
Average floating-leaved plant biomass (kg wet wt/m2)
3.0
Average submersed plant biomass (kg wet wt/m2)
1.0
Average width of emergent and floating-leaved zone (ft.)
58
Average lake depth (m)
4

 

Frequency that plant species occur in 20 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
maidencane Panicum hemitomon
95
torpedograss Panicum repens
95
bald cypress Taxodium distichum
90
fragrant water-lily Nymphaea odorata
85
duck-potato Sagittaria lancifolia
75
spatterdock Nuphar luteum
75
buttonbush Cephalanthus occidentalis
55
rush fuirena Fuirena scirpoidea
55
pickerelweed Pontederia cordata
50
cat-tail Typha spp.
50
sweetbay Magnolia virginiana
50
wax myrtle Myrica cerifera
45
slender spikerush Eleocharis baldwinii
40
stonewort Nitella spp.
40
southern naiad Najas guadalupensis
35
Illinois pondweed Potamogeton illinoensis
25
water primrose Ludwigia octovalvis
25
baby-tears Micranthemum umbrosum
20
elephant-ear Colocasia esculenta
20
sawgrass Cladium jamaicense
20
bog-moss Mayaca fluviatilis
15
floating water-hyacinth Eichhornia crassipes
10
common salvinia Salvinia rotundifolia
10
water-pennywort Hydrocotyle umbellata
10
strap-leaf sag Sagittaria kurziana
10
tapegrass Vallisneria americana
10
water tupelo Nyssa aquatica
10
willow Salix spp.
10
variable-leaf milfoil Myriophyllum heterophyllum
5
knot grass Paspalum distichum
5
elderberry Sambucus canadensis
5
. Nitella prolonga
5
red maple Acer rubrum
5

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