Number Page 



23 The distribution of MDPR cypress-tupelo swamp habitat 49 



24 The distribution of MDPR fresh aquatic bed habitat 52 



25 The distribution of MDPR fresh marsh habitat 53 



26 The distribution of MDPR fresh open water habitat 55 



27 The distribution of MDPR fresh scrub-shrub habitat 57 



28 The distribution of MDPR mangrove habitat 59 



29 The distribution of MDPR mud flat habitat 61 



30 The distribution of MDPR nearshore gulf habitat 63 



31 The distribution of MDPR river, stream, and bayou habitat 65 



32 The distribution of MDPR estuarine aquatic bed habitat 67 



33 The distribution of MDPR estuarine open water habitat 70 



34 Gross primary production (GPP) as a function of 

 trophic state index (TSI) for estuarine open 



water sites in the MDPR 7 3 



35 The distribution of MDPR salt marsh habitat 75 



36 The distribution of MDPR spoil habitat 79 



37 Typical canal configuration 80 



38 The distribution of MDPR upland forest habitat 83 



39 Tolerance to flooding during the growing season of 

 3-inch DBH and larger bottomland hardwood tree 



species of the MDPR 84 



40 The distribution of MDPR urban-industrial habitat 86 



41 Map of the Mississippi Sound drainage basin showing 



the MDPR boundary 91 



42 Map of the Pontchartrain drainage basin showing 



the MDPR boundary 95 



43 Population growth of major cities of the United States 98 



44 Phosphorus loading into Lake Pontchartrain, Louisiana, 



as a function of time 100 



45 Water transparency as a function of time for Lake 



Pontchartrain, Louisiana 101 



46 Map of Barataria drainage basin showing the MDPR boundary. 



vii 



106 



