Beauclaire (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°46'9", Longitude 81°39'36"
Period of record: 109 sampling dates; May 8, 1990 to December 17, 1999
Surface area (LAKEWATCH): No data available. (Bathymetric Map)
Lake Region (Griffith et al. 1997): Central Valley
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered clayey sand and granular sand of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Central Lakes division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 2 months sampled:
|
pH |
8.9 |
Sulfate (mg/L) |
23.0 |
|
Total alkalinity (mg/L as CaCO3) |
128.7 |
Calcium (mg/L) |
38.5 |
|
Conductance (µS/cm @ 25 °C) |
420 |
Magnesium (mg/L) |
16.8 |
|
Color (Pt-Co units) |
45 |
Sodium (mg/L) |
17.0 |
|
Chloride (mg/L) |
42.8 |
Potassium (mg/L) |
12.2 |
|
Silicon (mg/L) |
9.2 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 109 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
56 |
157 |
362 |
|
Long-term total nitrogen concentrations (µg/L) |
2190 |
3780 |
5140 |
|
Long-term total chlorophyll concentrations (µg/L) |
51.0 |
174.4 |
435.7 |
|
Long-term Secchi depth (ft) |
0.5 |
1.1 |
2.5 |
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-22-99 |
133 |
3960 |
265.7 |
1.0 |
|
Feb-19-99 |
133 |
4120 |
273.3 |
0.7 |
|
Mar-18-99 |
159 |
4830 |
297.3 |
0.9 |
|
Apr-26-99 |
146 |
5080 |
435.7 |
0.5 |
|
May-18-99 |
151 |
4980 |
411.7 |
0.8 |
|
Jun-14-99 |
120 |
4710 |
202.0 |
0.5 |
|
Jul-23-99 |
114 |
4270 |
180.7 |
0.8 |
|
Aug-23-99 |
116 |
4790 |
278.0 |
0.5 |
|
Sep-27-99 |
160 |
4240 |
227.7 |
1.1 |
|
Oct-11-99 |
204 |
4270 |
268.0 |
1.0 |
|
Nov-19-99 |
317 |
4890 |
351.0 |
0.5 |
|
Dec-17-99 |
280 |
4470 |
307.7 |
1.0 |
|
|
|
|
|
|
|
1999 Average |
169 |
4550 |
291.6 |
0.8 |
Beauclaire (Lake County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 14, 1992
|
Percent area covered with aquatic vegetation (PAC, %) |
8 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
1 |
|
Average emergent plant biomass (kg wet wt/m2) |
3.7 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
3.9 |
|
Average submersed plant biomass (kg wet wt/m2) |
1.6 |
|
Average width of emergent and floating-leaved zone (ft.) |
52 |
|
Average lake depth (m) |
2 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
cat-tail |
Typha spp. |
80 |
|
bald cypress |
Taxodium distichum |
60 |
|
willow |
Salix spp. |
50 |
|
elephant-ear |
Colocasia esculenta |
40 |
|
water primrose |
Ludwigia octovalvis |
30 |
|
floating water-hyacinth |
Eichhornia crassipes |
20 |
|
common salvinia |
Salvinia rotundifolia |
20 |
|
pickerelweed |
Pontederia cordata |
20 |
|
water-pennywort |
Hydrocotyle umbellata |
20 |
|
tapegrass |
Vallisneria americana |
20 |
|
salt-bush |
Baccharis spp. |
20 |
|
maidencane |
Panicum hemitomon |
20 |
|
water hemlock |
Cicuta mexicana |
20 |
|
common duckweed |
Lemna minor |
10 |
|
alligator-weed |
Alternanthera philoxeroides |
10 |
|
smartweed |
Polygonum hydropiperoides |
10 |
|
cone-spur bladderwort |
Utricularia gibba |
10 |
|
soft stem bulrush |
Scirpus validus |
10 |
Beauclaire (Lake County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 27, 1999
|
Percent area covered with aquatic vegetation (PAC, %) |
26 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
10 |
|
Average emergent plant biomass (kg wet wt/m2) |
4.4 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.6 |
|
Average submersed plant biomass (kg wet wt/m2) |
3.6 |
|
Average width of emergent and floating-leaved zone (ft.) |
41 |
|
Average lake depth (m) |
2 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
cat-tail |
Typha spp. |
70 |
|
tapegrass |
Vallisneria americana |
70 |
|
water primrose |
Ludwigia octovalvis |
70 |
|
Egyptian paspalidium |
Paspalidium geminatum |
60 |
|
pickerelweed |
Pontederia cordata |
50 |
|
elephant-ear |
Colocasia esculenta |
50 |
|
willow |
Salix spp. |
50 |
|
red maple |
Acer rubrum |
50 |
|
smartweed |
Polygonum hydropiperoides |
40 |
|
water-pennywort |
Hydrocotyle umbellata |
30 |
|
torpedograss |
Panicum repens |
30 |
|
bald cypress |
Taxodium distichum |
30 |
|
duck-potato |
Sagittaria lancifolia |
20 |
|
common arrowhead |
Sagittaria latifolia |
20 |
|
giant bulrush |
Scirpus californicus |
20 |
|
elderberry |
Sambucus canadensis |
20 |
|
sweetbay |
Magnolia virginiana |
20 |
|
alligator-weed |
Alternanthera philoxeroides |
10 |
|
slender spikerush |
Eleocharis baldwinii |
10 |
|
fragrant water-lily |
Nymphaea odorata |
10 |
|
water tupelo |
Nyssa aquatica |
10 |
|
wax myrtle |
Myrica cerifera |
10 |
|
para grass |
Brachiaria mutica |
10 |
|
musk-grass |
Chara spp. |
10 |
|
. |
Kosteletzkya virginica |
10 |