The four areas of focus for the project are:
1. Refine existing modern analog dataset by completing analyses of modern samples collected between 1996 and 2004 and applying the data to core data compiled in the Synthesis Task 2. Collect new cores (if necessary) within the southern estuaries to fill in information gaps identified by the land management agencies (Everglades National Park (ENP), and Biscayne National Park (BNP) and the Southern Estuaries Subteam of the Regional Evaluation Team (RET) of Restoration Coordination and Verification (RECOVER) 3. Select a few sites in the transition zones to collect cores in a transect moving perpendicular to shore to analyze the rate of sea level rise in the region 4. Work with collaborators to input all of the combined paleoecology data into linear regression models that can hindcast salinity for different parts of the system
Wingard, Lynn, 2010, Determining Target Salinity Values for Restoration of the Estuaries of the Greater Everglades.Online Links:
Current project personnel include: T. Cronin, M. Marot, J. Murray, C. Bernhardt, T. Colley, T. Sheehan, B. Stackhouse. D. Willard, and F. MarshallPrevious project personnel include: C. Holmes, W. B. Schill, R. Ortiz, C. Budet, K. Waylen, J. Hudley,
703 648-5352 (voice)
703 648-6953 (FAX)
lwingard@usgs.gov
The importance and application of ecosystem history research to restoration goals has been previously identified. The Department of the Interior (DOI) Science Plan lists as one of three primary restoration activities the need to "ensure that hydrologic performance targets accurately reflect the natural predrainage hydrology and ecology". The primary goal of this project is to determine the predrainage and ecology of critical regions within the estuaries and coastal ecosystems of south Florida identified by the groups charged with setting performance measures and targets for these coastal zones.
Modern proxy data have been compiled and tested against known salinities and shown to be a reliable indicator of salinity with a correlation coefficient of 0.8 at a 95% confidence level. These results were presented to members of the Southern Esutaries Sub-Team of RECOVER and at the National Conference on Ecosystem Restoration in April 2007. Collaboration on the development of salinity targets with the Southern Estuaries sub-team has continued, and a set of preliminary salinity targets has been developed. The paleosalinity values provided by our project have been successfully used by modelers to hindcast stage height in the terrestrial Everglades
Person who carried out this activity:
703 648-5352 (voice)
703 648-6953 (FAX)
lwingard@usgs.gov
In FY 2007 the plan is to select a few sites in the transition zones to collect cores in an transect moving perpendicular to shore in order to analyze the rate of sea level rise in the region. Existing datasets on sea level change will be gathered and compiled.
Person who carried out this activity:
703 648-6363 (voice)
703 648-6953 (FAX)
tcronin@usgs.gov
In FY08, we will analyze all existing core data using the modern molluscan proxy data set developed in FY07. These results will be compared to other proxy data, and summary interpretations published. Additional modern collections will be made in the nearshore and infaunal communities of the estuaries to fine tune the proxy data sets. We will continue our collaboration with the Southern Estuaries Sub-Team and the modelers using our paleosalinity data in regression analyses
Person who carried out this activity:
703 648-5352 (voice)
703 648-6953 (FAX)
lwingard@usgs.gov
Collection of new cores was delayed in FY07 while we completed analyses of the SW coastal cores from the Ecosystem History of the Southwest Coast-Shark River Slough Outflow Area Project. We believe these cores will illustrate general sea level patterns in southern Florida that can then be tested in Florida Bay and Biscayne Bay if necessary. We are continuing to compile existing data sets on sea level change and hope to initiate collaboration with Florida Gulf Coast University in FY08.
Person who carried out this activity:
703 648-6363 (voice)
703 648-6953 (FAX)
tcronin@usgs.gov
We will continue in FY10 to provide information on flow, stage and salinity for the pre-drainage Everglades to the Southern Coastal Systems subteam of RECOVER. We will utilize the models developed by Dr. Frank Marshall (contractor, Cetacean Logic Foundation) coupled with paleoecologic data from USGS cores. At least two additional cores from Florida Bay will be analyzed in FY10. (Individual reports will release the core data.) Our plan is to complete work on Florida Bay, and to develop a "consensus" pre-drainage hydrologic regime for Florida Bay. This information will be presented orally and/or in report form to the Southern Coastal Systems subteam of RECOVER. In addition, we will compile the information for a manuscript on the pre-drainage hydrology of Florida Bay for submission to a peer-reviewed journal. Work will expand in FY10 from Florida Bay to begin applying the coupled paleoecology - linear regression models to cores from Southwest Coastal area (Shark River Slough Transect). At least one core from this area will be incorporated into the linear regression models in FY10.
Additionally, improvements to our modern analog data set will continue. We will identify/refine the modern ecologic constraints for a few key species found in the cores. A faunal/floral association found in the southwest coastal area will be investigated as potential indicators for the critical freshwater/estuarine transition zone. This work will be conducted in conjunction with Impacts of Hydrologic and Climatic Change on Greater Everglades Marl Prairies, Marshes, and Sloughs (Willard, PI).
Person who carried out this activity:
703 648-5352 (voice)
703 648-6953 (FAX)
lwingard@usgs.gov
FY2011 efforts will be focused on synthesizing the paleosalinity data on all of south Florida's estuaries to develop a regional overview of the changes that have occurred in the Southern Coastal Systems. These data will include the faunal and floral analyses that have been conducted over the years, as well as the linear regression models developed by Frank Marshall. By including Frank Marshall's models, we are able to estimate the freshwater stage and flow in the wetlands required to produce the paleosalinities derived from the biotic analyses.
Person who carried out this activity:
703 648-5352 (voice)
703 648-6953 (FAX)
lwingard@usgs.gov
Wolfert-Lohmann, M. A. Langevin, C. D.; Jones, S. , 2008, U.S. Geological Survey Science Strategy for Biscayne National Park and Surrounding Areas in Southeastern Florida: USGS Open-File Report 2007-1288, U.S. Geological Survey, Reston, VA.Online Links:
Wingard, G. L. Hudley, J. W.; Marshall, F., 2010, Estuaries of the Greater Everglades: Laboratories of Long-term Change: USGS Fact Sheet 2010-3407, U.S. Geological Survey, Reston, VA.Online Links:
Marshall, III, F. E. Wingard, G. L.; Pitts, P, 2009, A simulation of historic hydrology and salinity in Everglades National Park: coupling paleologic assemblage data with regression models: Estuaries and Coasts v. 32, n. 1, p. 37-53, Coastal and Estuarine Research Federation (CERF), Port Republic, MD.Online Links:
Murray, J. B. Wingard, G. L.; Cronin, T. , 2010, Evidence of environmental change in Rankin Basin, Central Florida Bay, Everglades National Park: USGS Open-File Report 2010-1125, U.S. Geological Survey, Reston, VA.Online Links:
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727 803-8747 ext 3028 (voice)
727 803-2030 (FAX)
hhenkel@usgs.gov
Ecosystem History of South Florida Estuaries Data
The field data contained in this database have been compiled, standardized and verified to the original records.
| Data format: | MS Access (version 2007) The Access database is available as a zipped file Size: 3.2 |
|---|---|
| Network links: |
<http://sofia.usgs.gov/exchange/flaecohist/> |
727 803-8747 ext 3028 (voice)
727 803-2030 (FAX)
sofia-metadata@usgs.gov
U.S. Department of the Interior, U.S. Geological Survey
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