North Estella (Putnam County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°25'45", Longitude 81°36'19"
Period of record: 39 sampling dates; August 3, 1990 to October 10, 1993
Surface area : No data available.
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.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
6.7 |
Sulfate (mg/L) |
24.3 |
|
Total alkalinity (mg/L as CaCO3) |
3.5 |
Conductance (µS/cm @ 25 °C) |
138 |
|
Color (Pt-Co units) |
7 |
Chloride (mg/L) |
18.7 |
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 39 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
5 |
12 |
26 |
|
Long-term total nitrogen concentrations (µg/L) |
310 |
430 |
580 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
5.0 |
10.7 |
|
Long-term Secchi depth (ft) |
5.0 |
7.7 |
10.6 |
Florida LAKEWATCH data were not collected in 1999.
North Estella (Putnam County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 22, 1993
|
Percent area covered with aquatic vegetation (PAC, %) |
4 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
0 |
|
Average emergent plant biomass (kg wet wt/m2) |
4.1 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.1 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
16 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
rush fuirena |
Fuirena scirpoidea |
100 |
|
slender spikerush |
Eleocharis baldwinii |
90 |
|
water-pennywort |
Hydrocotyle umbellata |
90 |
|
maidencane |
Panicum hemitomon |
90 |
|
pickerelweed |
Pontederia cordata |
60 |
|
wax myrtle |
Myrica cerifera |
60 |
|
water primrose |
Ludwigia octovalvis |
60 |
|
St. John's wort |
Hypericum spp. |
60 |
|
bog button |
Lachnocaulon spp. |
40 |
|
banana-lily |
Nymphoides aquatica |
30 |
|
fragrant water-lily |
Nymphaea odorata |
30 |
|
salt-bush |
Baccharis spp. |
30 |
|
buttonbush |
Cephalanthus occidentalis |
30 |
|
southern cutgrass |
Leersia hexandra |
30 |
|
yellow-eyed grass |
Xyris spp. |
30 |
|
red ludwigia |
Ludwigia repens |
20 |
|
red root |
Lachnanthes caroliniana |
20 |
|
elephant-ear |
Colocasia esculenta |
10 |
|
flat-sedge |
Cyperus odoratus |
10 |
|
. |
Juncus scirpoides |
10 |
North Estella (Putnam County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 29, 1997
|
Percent area covered with aquatic vegetation (PAC, %) |
26 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
13 |
|
Average emergent plant biomass (kg wet wt/m2) |
2.0 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
2.1 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.8 |
|
Average width of emergent and floating-leaved zone (ft.) |
42 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 9 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
rush fuirena |
Fuirena scirpoidea |
100 |
|
pickerelweed |
Pontederia cordata |
89 |
|
fragrant water-lily |
Nymphaea odorata |
78 |
|
red ludwigia |
Ludwigia repens |
78 |
|
banana-lily |
Nymphoides aquatica |
67 |
|
maidencane |
Panicum hemitomon |
56 |
|
water-pennywort |
Hydrocotyle umbellata |
44 |
|
variable-leaf milfoil |
Myriophyllum heterophyllum |
44 |
|
water primrose |
Ludwigia octovalvis |
44 |
|
alligator-weed |
Alternanthera philoxeroides |
33 |
|
water-shield |
Brasenia schreberi |
33 |
|
southern cutgrass |
Leersia hexandra |
33 |
|
St. John's wort |
Hypericum spp. |
33 |
|
red root |
Lachnanthes caroliniana |
22 |
|
slender spikerush |
Eleocharis baldwinii |
11 |
|
buttonbush |
Cephalanthus occidentalis |
11 |
|
bog button |
Lachnocaulon spp. |
11 |