Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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The Critical Leading Edge of Gulf of Maine Salt Marshes – Interface with Freshwater Wetlands, Uplands, and Constraints by Human Development. Collaboration with Joe Kelley, Dan Belknap, Margot Mansfield, University of Maine.


March 2010 - December 2011


We seek to establish the nature and rates of change occurring at the critical leading edge of transgression (overlap) of salt marshes in Maine over coastal wetlands and adjacent upland environments. We will link these changes to sea-level and climate changes, as well interactions with human land use, development, run-off of water and sediments. We seek to establish the physical and ecological factors that most influence these changes, and through scientific publications and outreach activities make information available to planners, regulators, and landowners to better understand and deal with existing and likely future stresses at this critical interface.We will map selected environments in a series of sites along the Maine coast that demonstrate varying tidal range, climate, and degree of human impact. We will document change with detailed sequential airphoto analysis. We will establish stratigraphic environments and rates of change with georadar (GPR) and coring.


Current Staff

Federal Staff: 95

Masters Students: 241

Phd Students: 142

Post Docs: 51

University Staff: 247

5 Year Summary

Students graduated: 645

Scientific Publications: 1884

Presentations: 4067



Funding Agencies

  • Maine Sea Grant


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey