Joes (Marion County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°16'46", Longitude 81°54'36"

Period of record: 88 sampling dates; July 19, 1991 to December 3, 1999

Surface area (LAKEWATCH): 50 acres / 20 hectacres     Bathymetric Map

Lake Region (Griffith et al. 1997): Ocala Scrub

Geologic formation (Brooks 1981):

The geology is dominated by undifferentiated sand, shell, clay, marl, and peat of the Holocene.

Physiographic region (Brooks 1981):

The water body lies in the Oklawaha Valley division of the Ocala Uplift District.
 
 

Supplemental, unpublished water chemistry data, University of Florida.

Numbers reported below are the average for 1 month sampled:
 
pH
7.1
 Total alkalinity (mg/L as CaCO3)
6.0
Conductance (µS/cm @ 25 °C)
75
 Color (Pt-Co units)
13
Chloride (mg/L)
16.0
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 88 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
5
11
30
Long-term total nitrogen concentrations (µg/L)
430
630
840
Long-term total chlorophyll concentrations (µg/L)
2.0
4.5
16.7
Long-term Secchi depth (ft)
6.3
8.7
11.7

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-30-99
9
430
2.7
9.9
Mar-26-99
10
590
2.3
11.0
Jul-21-99
10
690
2.0
9.7
Aug-02-99
8
630
2.0
10.5
Sep-01-99
9
470
3.0
10.3
Sep-28-99
8
560
4.7
9.0
Nov-01-99
9
510
4.0
7.7
Dec-03-99
10
610
4.3
7.3
         
1999 Average
9
560
3.1
9.4

Joes (Marion County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 21, 1998

Percent area covered with aquatic vegetation (PAC, %)
22
Percent of lake's volume filled with vegetation (PVI, %)
2
Average emergent plant biomass (kg wet wt/m2)
2.5
Average floating-leaved plant biomass (kg wet wt/m2)
3.6
Average submersed plant biomass (kg wet wt/m2)
0.6
Average width of emergent and floating-leaved zone (ft.)
43
Average lake depth (m)
4

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

Common Name Plant Species
Frequency (%)
bacopa Bacopa monnieri
100
maidencane Panicum hemitomon
100
rush fuirena Fuirena scirpoidea
100
fragrant water-lily Nymphaea odorata
90
red root Lachnanthes caroliniana
80
wax myrtle Myrica cerifera
70
Florida bladderwort Utricularia floridana
70
respuinata bladderwort Utricularia resupinata
70
water-pennywort Hydrocotyle umbellata
60
buttonbush Cephalanthus occidentalis
60
slender spikerush Eleocharis baldwinii
40
water primrose Ludwigia octovalvis
40
alligator-weed Alternanthera philoxeroides
30
spatterdock Nuphar luteum
30
red ludwigia Ludwigia repens
30
St. John's wort Hypericum spp.
30
red maple Acer rubrum
30
water-shield Brasenia schreberi
20
cat-tail Typha spp.
20
willow Salix spp.
20
elephant-ear Colocasia esculenta
10
water tupelo Nyssa aquatica
10
torpedograss Panicum repens
10
stonewort Nitella spp.
10
yellow-eyed grass Xyris spp.
10
leconte sedge Cyperus lecontei
10

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