34 



Table 6 



Comparison of Three Water-Tolerance Ratings for 

 Selected Bottomland Forest Tree Species 



Species 



Nyssa aquatica 

 Salix nigra 

 Fraxinus caroliniana 

 Taxodium distichum 

 Forestiera acuminata 

 Gleditsia aquatica 

 Carya aquatica 

 Quercus lyrata 

 Betula nigra 



Diospyros virginiana 



Acer rubrum 



Fraxinus pennsylvanica 



Ulmus americana 



Quercus phellos 



Acer negundo 



Carpinus caroliniana 

 Celtis laevigata 

 Liquidambar styraciflua 



Carya illinoensis 

 Pinus taeda 



Cornus florida 

 Fagus grandifolia 

 Quercus alba 

 Sassafras albidum 









NWI b 



Waterlogging 



FTI a ± 



Standard 



Status 



Tolerance 



Deviation 



Region 2 



Rating Group 



2.62 



+ 



0.20 



OBL 



Most tolerant 



2.83 



+ 



0.58 



OBL 



Most tolerant 



2.87 



+ 



0.41 



OBL 



Most tolerant 



2.97 



+ 



0.61 



OBL 



Most tolerant 



3.48 



+ 



0.50 



OBL 



Most tolerant 



3.50 



+ 



0.00 



OBL 



Highly tolerant 



3.54 



+ 



0.34 



OBL 



Highly tolerant 



3.73 



+ 



0.68 



OBL 



Highly tolerant 



4.01 



+ 



1.73 



OBL 



Moderately 

 tolerant 



4.13 



+ 



0.82 



FAC 



Moderately 

 tolerant 



4.21 



+ 



0.68 



FAC 



Moderately 

 tolerant 



4.44 



+ 



0.67 



FACW 



Moderately 

 tolerant 



4.46 



+ 



0.62 



FACW 



Moderately 

 tolerant 



4.81 



+ 



1.07 



FACW 



Moderately 

 tolerant 



4.83 



+ 



0.47 



FACW 



Moderately 

 tolerant 



4.84 



+ 



0.61 



FAC 



Weakly tolerant 



4.84 



+ 



0.56 



FACW 



Weakly tolerant 



5.03 



+ 



0.65 



FAC+ 



Moderately 

 tolerant 



5.57 



+ 



1.01 



FAC+ 



Weakly tolerant 



6.41 



+ 



0.14 



FAC 



Moderately 

 tolerant 



6.50 



+ 



0.00 



FACU 



Least tolerant 



6.50 



+ 



0.00 



FACU 



Least tolerant 



6.50 



+ 



0.00 



FACU 



Least tolerant 



6.50 



+ 



0.00 



FACU 



Least tolerant 



Mean for all study sites. 



Taken from Reed (1988) (see Appendix A) . 



Taken from Hook (1984) (see Appendix B) . 



