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Environmental Atlas of the Lake Pontchartrain Basin

Lake Pontchartrain Atlas Home
Lake Pontchartrain Atlas:
Preface
Table of Contents
Introduction
Environmental Overview
Environmental Status & Trends
Restoration
Physical Environments
Basin Geology You are at the Basin Geology section of the Environmental Atlas of Lake Pontchartrain
Biological Resources
Environmental Issues
Bibliography
Resources
Contributors
Acronyms
Contact:
Jack Kindinger
Basin Geology: Geology | Quarternary Framework | Geomorphology | Bathymetry | Geologic Resources

Basin Geology - Geomorphology

Contributors: Beall, Zganjar, Westphal, Penland

Map showing location of Lake Maurepas.
Figure 39: Location map for Lake Maurepas.

Map showing shoreline types of Lake Maurepas.
Legend
blue bar Swamp
Any forested area normally subject to inundation through part of the growing season or with permanent or near-permanent standing water.
green bar Fresh Marsh
Any unforested, vegetated area normally subject to inundation or tidal action at any time sufficient to support wetland-dependent, emergent vegetation with salinity less than 0.5 ppt.
gray bar Bank
Natural riverine or lacustrine bank with grass and trees.
pink bar Riprap Armor
Embankment or revetment along a shoreline reinforced by things thrown together without order in the form of broken concrete, concrete blocks, old pilings, rubble, etc. to resist erosion.
purple bar Swamp with Fresh Marsh
An area of swamp at the shoreline that contains a fresh marsh (salinity less than 0.5 ppt) behind the shoreline.
Figure 40: Shoreline types of Lake Maurepas. Based on Summer 1996 aerial video survey. (Click on a letter to see a photograph of the shoreline.)

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Cypress swamp finge on a fresh marshFresh marshSwamp shorelineSwamp shoreline
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