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Aquatic Site Marker
Each site has up to eight groundwater wells outfitted with sensors that measure high temporal resolution groundwater elevation (pressure transducer-based), temperature, and specific conductance. Met. Station
A met. station is located on the shore of most aqutic sites and collects data comparable with flux tower measurements at terrestrial sites. Lake and wadeable rivers also have an above water met. station on buoy. These data are unique with different sensors and data frequencies due to power and data storage constraints. Sensor Station
Wadeable streams have a sensor station near the top of the reach and the bottom of the reach; non-wadeable rivers have a sensor station on a buoy and one near the bank; Lakes have an inlet sensor station, an outlet sensor station and a sensor station on a buoy. Data collection varies by type of sensor station. Click on sensor station on the map to learn more. Staff gauge/camera
The staff gauge measures gauge height, in meters, measured at lakes, wadeable rivers and non-wadeable streams. A phenocam is installed near most gauges. It collects RGB and IR images of the lake, river, or stream vegetation, stream surface, and stream gauge every 15 minutes. Observational Sampling
This map depicts the spatial layout of this field site. Please note that some locations may have moved over time due to logistics, safety and science requirements.
This map was updated on February 11, 2019
Construction Status for this Site
Suggs Lake is situated within Ordway-Swisher Biological Station (OSBS) in Putman County and classified as a Marsh lake and Baygall as a function of the major plant communities that surround it. The lake is a seepage lake, with the majority of lakes in Florida being underlain by the Floridan Aquifer dominated by a limestone and dolomite geology.
Total data products planned for this site: 75
Site Host & Access Site Host:
University of Florida Foundation
Is additional non-NEON research allowed at this site?:
Yes, non-NEON research activities are allowed in this area. Researchers must obtain their own permits with the site host(s).
Site Characteristics Latitude/Longitude:29.68705, -82.01617 Elevation:32 m Mean Annual Temperature:20C/68F Mean Annual Precipitation:1290 mm Dominant NLCD Classes:
USGS HUC: h03080103
Surface area, elevation & depth
Suggs Lake is an isothermal, mesotrophic lake 0.73 km2 in area and situated at an altitude of 29 m. It has a maximum depth of 5.7 m and a mean depth of 2.5 m.
Suggs lake is classified as a clastic upland lake with substrates composed generally of clays and organics. The limestone geology is overlain by a variable mixture of sand, gravel, clay, phosphate, and carbonate deposited during the Pleistocene interglacials.
Suggs Lake is primarily surface water dominated, although it does interact with the regional aquifer to some extent. This lake lies within a greater flow through wetland complex. Inflow lies on the SW part of the lake with a smaller inflow from the E edge of the lake. Outflow is through the NW part of the lake as part of the greater wetland complex. Suggs Lake is classified as a seepage lake dominated by groundwater flow with the local aquifer, but it is also fed by the local surface and subsurface flow through the wetland complex. There is no discernible inflow or outflow to Suggs Lake, although there is some evidence of water inflow from the south western edge of the lake with a flow pattern to the N and NW. Suggs Lake is a seepage lake and due to its formation by solution processes, there is a strong link between the lake and the groundwater. In areas where the potentiometric surface of the Floridan aquifer system is at a higher altitude than the water table of the surficial aquifer that overlies it, water moves upward toward the land surface. These areas are referred to as discharge areas or areas of artesian flow.
Nearby land management
Regular prescribed burns are typical in this region.
Lake Suggs has large areas of emergent macrophytes, and is surrounded by cypress swamps and old pastures. The swamps and adjacent hardwood forests are dominated by Bald Cycpress (
Taxodium distichum), sweetgum ( Liquidambar styraciflua), water oak ( Quesrcus nigra) and slash pine. The diatom or assemblage is dominated by planktonic forms, notably M. herzogii and Aterionella ralfsii. Biological characteristics
Lake Suggs has a dense population of salamanders, with other common species of amphibians including greater siren (
Siren lacertina), lesser siren ( Siren intermedia), two-toed amphiuma ( Amphiuma means), one-toed amphiuma ( Amphiuma pholeter), narrow-striped dwarf siren ( Pseudobranchus axanthus), the broad-striped dwarf siren ( Pseudobranchus striatus) and the pig frog ( Rana grylio). Chemistry
Suggs Lake has been sampled for chemical constituents weekly since the 1970’s. Seasonal variability in chemical parameters is largely controlled by the surrounding wetlands and hydrology. Suggs Lake is a high dissolved organic carbon (DOC) lake with an average concentration of 20 mg L -1. Due to the high DOC content, the lake is rather acidic with a pH of 4.74.and an acidity of 15.10 mg CaCO3 L -1. Low oxygen levels are common, with common values around 5.60 mg L -1. The lake is characterized by a Chlorophyll a concentration of 4 μg L -1. NEON will contribute to this long-term stream chemistry data set through 12 lake water grab samples annually and continuous sensor data over 30 years. Such chemical measurements along with other NEON-generated data on terrestrial chemical parameters will enable novel investigations in ecohydrology and cross system studies.
Resources & additional readings
James, R.T. 1991. Microbiology and chemistry of acid lakes in Florida: II. Seasonal relationships. Hydrobiologia, 213: 227- 240
Schiffer, D.M., 1998, Hydrology of Central Florida Lakes —A Primer. U.S. Geological Survey circular : 1137
Sweets, P. R., R. W. Bienert, T. L. Crisman and M. W. Binford. 1990. Paleoecological investigations of recent lake acidification in northern Florida. J. Paleolimno 4:103-137
Data Collection Types Airborne Remote Sensing Surveys
Remote sensing surveys of this site collect lidar, spectrometer and high resolution RGB camera data.
This site has one meteorological station located in the riparian area and one meteorological station above water on a buoy. The met stations are outfitted with the a subset of the same sensors used at terrestrial sites. Measurements include wind speed and direction, air temperature, barometric pressure, relative humidity, shortwave radiation, and PAR.
This site has one phenocam near the lake.
Surface Water Sensor Stations
This site has one buoy-mounted sensor station and an inlet station and outlet station. At the buoy, the automated instrument measurements are: PAR at water surface, PAR below water surface, temperature at a specific depth in surface water, water quality (specific conductivity, chlorophyll a, dissolved oxygen content, pH turbidity, and fDOM), and nitrate. At the inlet and outlet stations, the measurements are: PAR below water surface, elevation of surface water, and temperature in surface water.
Eight groundwater wells throughout the site collect specific conductivity, water tempertaure, and elevation of groundwater.
Field ecologists collect the following types of observational data at this site:
Aquatic Microbes (surface water)
Plants and Macroalgae
Water and Particulates
Secchi Depth and Depth Profiles
Other Domain 03 Field Sites
Core Aquatic | Lake | Florida
Distance: 1 mi.
Core Terrestrial | Florida
Distance: 1 mi.
Relocatable Terrestrial | Florida
Distance: 113 mi.
Relocatable Aquatic | Non-wadeable River | Georgia
Distance: 178 mi.
Relocatable Terrestrial | Georgia
Distance: 179 mi.
Field Operations Office
4579 NW 6th Street, Unit B-2
Gainesville, FL 32609