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South
Florida Water Management District has received a grant from the Environmental
Protection Agency (EPA) for Environmental Monitoring for Public Access
and Community Tracking (EMPACT) for a pilot project to deliver time-relevant
Evergladess information to the public. The district spans sixteen
counties with a total population of about six million residents. The geographic
area covered in approximately 17,930 square miles and includes vast areas
of agricultural lands, water conservation areas, and areas of enormous
urban growth and development. The agency has work in progress to restore
and manage ecosystems from the Kissimmee River to the Florida Bay including
the Everglades.
Through
the Everglades Forever Act, the agency was mandated with the task of restoring
the biotic integrity of the Everglades ecosystem by improving the water
quality and water quantity to this area. There is growing concern in the
regulatory, scientific, and environmental communities that the biotic
integrity of the remaining Everglades is endangered. This concern stems
from undesirable changes in water quality, flora, and fauna in the portions
of the Everglades Protection Area (EPA) over the last several decades
(e.g. establishment of pronounces nutrient gradients, replacement of large
areas of sawgrass by cattail, decline in wading bird populations and species,
and shifts in periphyton and macroinvertebrate communities). These changes
have been attributed to the disruption of the systems natural hydroperiod
and eutrophication that has resulted from nutrient-rich runoff entering
the EPA from the Everglades Agricultural Area (EAA). Phosphorous has been
identified as the nutrient most responsible for eutrophication of the
EPA. The project of restoring the Everglades is a 7.8 billion dollar endeavor,
spanning more than 20 years, that directly impacts all the taxpayers of
South Florida who, via their tax dollars, will help subsidize the project,
along with Federal contributions. Therefore, it is imperative that South
Floridians, and actually all taxpayers, have direct access to the latest
environmental information collected by the District regarding the changing
state of health of the Everglades ecosystem over time.
The District is mandated by the State to collect information,
including meteorological, water quality, hydro geological, and flora/fauna
species distribution data. This information is stored in the Districts
environmental database, an Oracle database system, which is secured behind
a computer firewall. General public access to the main database is available
but is limited to a partial, read-only copy, updated monthly.
This
Districts corporate environmental database is the source of historical
and up-to-date data for the 16-county south Florida region. Input information
for key ecosystem health indicators is collected by the District via radio
frequency microwave, strip chart recorders, water samplers, field biologists,
and information electronically gathered at remote sensor locations. The
information collected is quality assured and then stored in the main environmental
database. Over 100 water quality and hydrologic parameters are monitored
on either a weekly, biweekly, monthly or quarterly basis at various locations
throughout the Everglades ecosystem.
The Districts environmental database has become an important reference
for hydrologic and water quality investigations in south Florida. The
database is a result of cooperative programs with agencies such as the
United States Geological Survey, Everglades National Park, the Corps of
Engineers, the National Oceanic and Atmospheric Administration, and other
local government agencies. The database maintains information of over
60,000 station-years of data, collected at over 6,000 stations within
the District.
The
kinds of Everglades biotic health data that is stored in this database
and can be made available to the general public via the Living Everglades
website and an information digest format that features charts and maps
include the following: Phosphorus and other nutrient levels, mercury levels,
high and low water extremes, pesticides and other toxic substances, fish,
amphibian, reptile, wading bird, and aquatic invertebrate species populations
and nesting information including American crocodile, manatee, alligators,
wood storks, Cape Sable seaside sparrow, spotted sea trout, pink shrimp,
Everglades deer, salinity levels, plant spatial data (mangroves, tree
island hammocks, peat-form communities (sloughs and tall saw grass), sea
grass, cat-tails, hydroperiod information-inundation patterns, seasonal
and inter-annual variability, duration of uninterrupted flooding, duration
of dry conditions, number of dry events, wet season water level reversals,
etc. These performance measure areas were derived from recommendations
made in the Southern Everglades Restoration Alliance Report, Joint Performance
Measures (December, 1998).
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