Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Breadcrumb

  1. Home
  2. About EPA

About the Gulf Ecosystem Measurement and Modeling Division

Related Information
  • Email: CEMM@epa.gov
  • About CEMM
  • About the Office of Research and Development(ORD)
  • Organization Chart for ORD

On This Page:

What We Do
Management
Branches
Main Office Location

 

What We Do

The Gulf Ecosystem Measurement and Modeling Division (GEMMD):

  • Provides leadership and research in marine, estuarine, and watershed ecology and ecotoxicology to predict and assess the effects of human-generated stressors on the aquatic resources of the U.S. Gulf of Mexico and the U.S.;
  • Uses its research to help determine ecological condition, evaluate rates and causes of declining systems, and predict future conditions under various alternative water quality scenarios; and
  • Works closely with communities, states, and the region to develop tools and provide a scientific basis for sustainable environmental management decisions that maximize economic, ecosystem, and social outcomes and resiliency.

Relevant Research

  • Human Well-Being Index (HWBI)
  • Ecosystem Services in Coordinated Case Studies
  • Coral Reef Biological Condition Gradient
  • National Coastal Condition Assessment
  • Web-based Interspecies Correlation Estimation (Web-ICE)
  • Linking Watershed Stressors to Biological Effects
  • Methods, Models, Tools, and Databases for Water Research

 

Management

Tinelle Bustam, Director

  • Email: bustam.tinelle@epa.gov 

 

Branches

Biological Effects and Population Response Branch

Acting Branch Chief: Brandon Jarvis

Ecosystem Assessment Branch

Branch Chief: Lisa Smith

Ecosystem Dynamics and Effects Branch

Branch Chief: Yongshan Wan

Main Office Location

US EPA ORD 
Gulf Ecosystem Measurement and Modeling Division
1 Sabine Island Drive
Gulf Breeze, FL 32561-5299

About EPA

  • Our Mission and What We Do
  • EPA Administrator
  • Headquarters Offices
  • Regional Offices
  • Labs and Research Centers
  • EPA Organization Chart
  • EPA History
  • Staff Directory
Contact EPA
Contact EPA to ask a question, provide feedback, or report a problem.
Last updated on October 21, 2024
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.