Little Hickorynut (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°25'54", Longitude 81°38'57"
Period of record: 59 sampling dates; February 28, 1993 to November 20, 1999
Surface area (LAKEWATCH): 537 acres / 217 hectacres
Lake Region (Griffith et al. 1997): Clermont Uplands
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered beach and dune sand with some clay lenses of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Gap subdivision of the Lake Wales Ridge division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
6.8 |
Sulfate (mg/L) |
16.5 |
|
Total alkalinity (mg/L as CaCO3) |
13.5 |
Calcium (mg/L) |
5.3 |
|
Conductance (µS/cm @ 25 °C) |
167 |
Magnesium (mg/L) |
4.8 |
|
Color (Pt-Co units) |
20 |
Sodium (mg/L) |
13.0 |
|
Chloride (mg/L) |
27.4 |
Potassium (mg/L) |
3.6 |
|
Silicon (mg/L) |
0.1 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 59 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
4 |
9 |
17 |
|
Long-term total nitrogen concentrations (µg/L) |
390 |
660 |
1010 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
3.0 |
12.0 |
|
Long-term Secchi depth (ft) |
4.0 |
11.0 |
22.0 |
1999 Florida LAKEWATCH Data
Numbers reported below are monthly averages calculated from 2 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 |
|
Mar-20-99 |
16 |
860 |
4.0 |
8.5 |
|
May-16-99 |
12 |
900 |
5.0 |
8.0 |
|
Jun-26-99 |
11 |
740 |
4.5 |
9.0 |
|
Aug-14-99 |
10 |
590 |
4.0 |
9.5 |
|
Oct-23-99 |
12 |
690 |
5.0 |
8.0 |
|
Nov-20-99 |
11 |
760 |
4.5 |
11.0 |
|
|
|
|
|
|
|
1999 Average |
12 |
760 |
4.5 |
9.0 |
Little Hickorynut (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on August 15, 1996
|
Percent area covered with aquatic vegetation (PAC, %) |
54 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
6 |
|
Average emergent plant biomass (kg wet wt/m2) |
4.3 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
1.7 |
|
Average submersed plant biomass (kg wet wt/m2) |
4.1 |
|
Average width of emergent and floating-leaved zone (ft.) |
110 |
|
Average lake depth (m) |
4 |
Frequency that plant species occur in 5 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
pickerelweed |
Pontederia cordata |
100 |
|
duck-potato |
Sagittaria lancifolia |
80 |
|
fragrant water-lily |
Nymphaea odorata |
80 |
|
stonewort |
Nitella spp. |
80 |
|
rush fuirena |
Fuirena scirpoidea |
80 |
|
banana-lily |
Nymphoides aquatica |
60 |
|
spatterdock |
Nuphar luteum |
60 |
|
cat-tail |
Typha spp. |
60 |
|
water primrose |
Ludwigia octovalvis |
60 |
|
buttonbush |
Cephalanthus occidentalis |
60 |
|
water spinach |
Ipomoea aquatica |
40 |
|
slender spikerush |
Eleocharis baldwinii |
40 |
|
water-pennywort |
Hydrocotyle umbellata |
40 |
|
cone-spur bladderwort |
Utricularia gibba |
40 |
|
purple bladderwort |
Utricularia purpurea |
40 |
|
wax myrtle |
Myrica cerifera |
40 |
|
sawgrass |
Cladium jamaicense |
40 |
|
bladderwort |
Utricularia foliosa |
40 |
|
red ludwigia |
Ludwigia repens |
20 |
|
lemon bacopa |
Bacopa caroliniana |
20 |
|
bog-moss |
Mayaca fluviatilis |
20 |
|
willow |
Salix spp. |
20 |
|
maidencane |
Panicum hemitomon |
20 |
|
southern cutgrass |
Leersia hexandra |
20 |
|
umbrella sedge |
Cyperus alternifolius |
20 |