South Lake (Brevard County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°37'12", Longitude 80°52'12"

Period of record: 2 sampling dates; February 18, 1993 to July 21, 1993

Surface area (Shafer et al. 1986): No data available.

Lake Region (Griffith et al. 1997): Eastern Flatlands

Geologic formation (Brooks 1981):

The geology is dominated by high energy, bar shelly, and dune sand with loose to hard limestone of the Anastasia Formation.

Physiographic region (Brooks 1981):

The water body lies in the Titusville Dunes subdivision of the Central Atlantic Coastal Strip division of the Eastern Flatwoods District.

 

Supplemental, unpublished water chemistry data, University of Florida.

Numbers reported below are the average for 1 month sampled:

pH

8.5

Sulfate (mg/L)

13.3

Total alkalinity (mg/L as CaCO3)

74.3

Conductance (µS/cm @ 25 °C)

613

Color (Pt-Co units)

27

Chloride (mg/L)

143.0

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 2 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

13

26

38

Long-term total nitrogen concentrations (µg/L)

700

1210

1720

Long-term total chlorophyll concentrations (µg/L)

4.3

18.2

32.0

Long-term Secchi depth (ft)

.

.

.

Florida LAKEWATCH data were not collected in 1999.

South Lake (Brevard County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 21, 1993

Percent area covered with aquatic vegetation (PAC, %)

100

Percent of lake's volume filled with vegetation (PVI, %)

55.3

Average emergent plant biomass (kg wet wt/m2)

4.6

Average floating-leaved plant biomass (kg wet wt/m2)

3.2

Average submersed plant biomass (kg wet wt/m2)

21.3

Average width of emergent and floating-leaved zone (ft.)

818.7

Average lake depth (m)

0.9

 

Frequency that plant species occur in 10 evenly spaced transects around the lake.

Common Name

Plant Species

Frequency (%)

cat-tail

Typha spp.

100

hydrilla

Hydrilla verticillata

100

southern naiad

Najas guadalupensis

100

floating water-hyacinth

Eichhornia crassipes

80

tapegrass

Vallisneria americana

60

coontail

Ceratophyllum demersum

40

common salvinia

Salvinia rotundifolia

20

frog's-bit

Limnobium spongia

20

widgeon grass

Ruppia maritima

20

common duckweed

Lemna minor

10

spatterdock

Nuphar luteum

10

pickerelweed

Pontederia cordata

10

water-pennywort

Hydrocotyle umbellata

10

cone-spur bladderwort

Utricularia gibba

10

purple bladderwort

Utricularia purpurea

10

wax myrtle

Myrica cerifera

10

water primrose

Ludwigia octovalvis

10

willow

Salix spp.

10

torpedograss

Panicum repens

10

musk-grass

Chara spp.

10

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