LIST OF FIGURES 



Figure Page 



1 Zonal classification of bottomland forest wetlands 



(adapted from Clark and Benforado 1981) 6 



2 Study area and sites in the southeastern United States . 9 



3 Representation of a typical research site 15 



4 Ecological amplitude of some commonly occurring species; 

 CAAQ: Carya aquatica; FOAC: Forestiera acuminata; FRPE: 

 Fraxinus pennsylvanica; LIST: Liquidambar styraciflua; 

 NYAQ: Nyssa aquatica; PITA: Pinus taeda; QUAL: Quercus 

 alba; QULY: Quercus lyrata; SAAL: Sassafras albidum; QUNI : 

 Quercus nigra; TADI : Taxodium distichum; ULAM: Ulmus 

 americana 32 



5 Cluster diagram for trees 39 



6 Cluster diagram for saplings and shrubs 42 



7 Cluster diagram for saplings alone 43 



8 Cluster diagram for shrubs alone 44 



9 Cluster diagram for vines 46 



10 Cluster diagram for herbs 48 



11 Mean tree FTI numbers plotted versus observed and 



predicted hydrologic zones for all 55 sites 57 



A-l Neches River (sites 1 and 2) 64 



A-2 Steele Bayou (site 3) 66 



A-3 Ouachita River (sites 4 and 5) 68 



A-4 Yazoo River (site 6) 70 



A-5 Big Black River (site 7) 72 



A-6 L'Anguille River (sites 8 and 9) 74 



