FIGURES 



Number Page 



1 Hierarchical structure of the study components indicating 



(A) region; (B) hydrologic units; (C) habitats 2 



2 Components of the MDPR with hydrologic units labelled (I-VII) 7 



3 Geomorphology of the MDPR 8 



4 World sea level rise 9 



5 Major delta complexes of the MDPR 11 



6 Recent rates of elevation change in the northern gulf coast 13 



7 Physical factors influencing the development of the MDPR 15 



8 Littoral drift patterns in the MDPR 18 



9 Seasonal variation in water level in the MDPR 



for an average year 19 



10 Frequency and duration of flooding episodes in 



the salt marsh and swamp forest habitats of the MDPR 20 



11 Precipitation/evaporation diagram for the MDPR and 



other stations at similar latitudes 22 



12 Tracks of Atlantic tropical cyclones recorded from 



1893 to 1960 24 



13 Distribution of wind speed and direction in the MDPR 25 



14 Louisiana offshore oil, natural gas, and total 



oil production to present 28 



15 Employment by major industry groups as a percentage 



of MDPR total civilian labor force, 1940-76 29 



16 Major navigable waterways in Louisiana, 1978 32 



17 Example habitat level energy and matter 



flow diagram from the technical report 35 



18 The distribution of MDPR agricultural habitat 38 



19 The distribution of MDPR beach and dune habitat 41 



20 The distribution of MDPR bottomland hardwood habitat 44 



21 The distribution of MDPR brackish marsh habitat 46 



22 The distribution of MDPR canal habitat 48 



vi 



