Como (Putnam County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°28'10", Longitude 81°34'59"
Period of record: 124 sampling dates; August 4, 1988 to December 11, 1999
Surface area (Shafer et al. 1986): 199 acres / 81 hectacres
Lake Region (Griffith et al. 1997): Crescent City/DeLand Ridges
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Crescent City-Deland Ridge division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 124 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
1 |
5 |
13 |
|
Long-term total nitrogen concentrations (µg/L) |
70 |
190 |
400 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
2.4 |
10.0 |
|
Long-term Secchi depth (ft) |
6.4 |
10.8 |
15.8 |
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 |
7 |
300 |
3.3 |
. |
|
Feb-18-99 |
7 |
270 |
3.0 |
8.2 |
|
Mar-16-99 |
8 |
250 |
4.0 |
8.0 |
|
Apr-16-99 |
10 |
280 |
3.0 |
7.2 |
|
May-18-99 |
7 |
240 |
3.3 |
9.3 |
|
Jun-15-99 |
8 |
260 |
2.0 |
10.8 |
|
Jul-14-99 |
7 |
260 |
2.0 |
12.3 |
|
Aug-16-99 |
10 |
230 |
2.0 |
12.2 |
|
Sep-16-99 |
9 |
230 |
3.3 |
8.5 |
|
Oct-16-99 |
9 |
190 |
5.0 |
9.0 |
|
Nov-15-99 |
10 |
190 |
3.0 |
8.5 |
|
Dec-11-99 |
10 |
250 |
5.3 |
9.0 |
|
|
|
|
|
|
|
1999 Average |
9 |
250 |
3.3 |
9.4 |
Como (Putnam County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on May 8, 1992
|
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) |
2.3 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.2 |
|
Average submersed plant biomass (kg wet wt/m2) |
1.3 |
|
Average width of emergent and floating-leaved zone (ft.) |
22 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
water-pennywort |
Hydrocotyle umbellata |
100 |
|
bog-moss |
Mayaca fluviatilis |
100 |
|
rush fuirena |
Fuirena scirpoidea |
100 |
|
slender spikerush |
Eleocharis baldwinii |
90 |
|
pickerelweed |
Pontederia cordata |
70 |
|
maidencane |
Panicum hemitomon |
70 |
|
southern cutgrass |
Leersia hexandra |
60 |
|
pipewort |
Eriocaulon spp. |
40 |
|
fragrant water-lily |
Nymphaea odorata |
20 |
|
water-moss |
Fontinalis spp. |
20 |
|
water primrose |
Ludwigia octovalvis |
20 |
|
red root |
Lachnanthes caroliniana |
20 |
|
red ludwigia |
Ludwigia repens |
10 |