GEER 2008
Greater Everglades Ecosystem Restoration
Planning, Policy and Science Meeting
For Everglades Restoration 2050 – Advancing the Science to Achieve Success

July 28-August 1, 2008 l Naples, FL


GEER 2010
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Lynn Scarlett
Deputy Secretary
Department of the Interior


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Biogeochemistry Symposium
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(Page 14 features an article on Partnerships for Sustainable Agriculture)

(Page 27 features an article on Saving Water with Moisture Sensors)

Biogeochemistry Symposium

Monday, Tuesday and Wednesday, July 28-30, 2008

Symposium on Biogeochemistry and Water Quality of the Greater Everglades: Fate and Transport of Nutrients and other Contaminants

    Symposium Objective:

The objective of this symposium is to provide a framework for synthesis and interpretation of the research findings related to fate and transport of nutrients and other contaminants in the Greater Everglades Ecosystem

The focus of the symposium will be to review our current understanding on the role of biogeochemical cycles in regulating the fate and transport of nutrients and other contaminants as related to ecosystem restoration and recovery. In addition new approaches and techniques that link community structure at the micro, and macro, scales to better understand the mechanisms that control the fate of chemicals at ecosystem scale will be discussed at the symposium. The symposium will also review current management strategies to abate the impact of nutrients and other contaminants and identify key water quality indicators to assess the recovery. 

    Symposium Background:

Excess nutrients and other contaminant inputs from various sources including agricultural and urban land use activities, atmospheric deposition, and weathering of natural minerals can significantly impact trophic conditions of wetlands and aquatic systems in the Greater Everglades ecosystem. Many biogeochemical processes functioning in soil, water, periphyton, and vegetation components influence fate and transport of nutrients and other contaminants. The scales at which many of the biogeochemical processes are studied vary, with some researchers conducting studies at small-scale (microbial cell or particle level or laboratory-scale), while others are involved at a relatively large-scale (field-plot or ecosystem level). Conclusions derived from the studies conducted at different scales are usually influenced by the disciplinary bias. Although, the research conducted by each of these scientists is very important, it lacks the linkage or common targeted goal to solve the problem. At present, there are no effective mechanisms to establish the linkage between scientists and users of the scientific information. Linkage among these groups will provide an opportunity to exchange technical information and will aid in effectively solving more practical problems.

    Symposium Topics:
Sources and types of nutrients and contaminants
  • Types of nutrients and other contaminants (phosphorus, nitrogen, carbon, sulfur, mercury, pesticides, emerging contaminants, and others)

  • Anthropogenic sources

  • Atmospheric deposition

  • Natural weathering of minerals

  • Internal load

Spatial distribution of nutrients and contaminants

  • Landscape patterns of water column nutrients and other contaminants

  • Landscape patterns of vegetation

  • Landscape patterns of periphyton

  • Landscape patterns of soil nutrients and other contaminants

Biogeochemical transformations

  • Phosphorus

  • Nitrogen

  • Carbon

  • Sulfur

  • Mercury

  • Coupled biogeochemical cycles

  • Pesticides and other organic contaminants
Biogeochemical responses
  • Microbial communities

  • Periphyton

  • Vegetation

  • Other biotic communities

Transport processes

  • Hydrologic processes uplands

  • Hydrologic processes in wetlands

  • Hydrodynamic processes in shallow lakes

  • Transport processes of nutrients and other contaminants

Remediation and management of nutrients and other contaminants

  • Long-term water quality trends

  • Stormwater treatment areas

  • Chemical treatment systems

  • Biogeochemical modeling


  • Indicators of ecosystem recovery

  • Mechanistic biogeochemical models

  • Ecosystem models …that include the fate of biogeochemical parameters, responses and recovery

  • Landscape models for spatial scaling biogeochemical parameters

NOTE: There is no fee to participate in this symposium. Please sign up in advance when registering online for the GEER meeting.

    For more information, contact the Symposium Organizer:
Dr. K. Ramesh Reddy
  Meeting Organizer and Chair

Soil and Water Science Department
University of Florida/IFAS
PHONE: 352-392-1804 ext
Dr. G. Ronnie Best
  Meeting Chair
  - Technical Sessions

Coordinator, Greater Everglades Priority Ecosystems Science
United States Geological Survey
c/o University of Florida/IFAS
  Fort Lauderdale Research and   
  Education Center
3205 College Avenue
Fort Lauderdale, FL 33314-7799
PHONE: 954-577-6354
FAX: 954-577-6347
PHONE (CELL): 954-658-4676



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