Table D-2 



Importance Values for Species Occurring at Site 2. 

 Arranged by Zone and Vegetation Layer 



108 



Species 



Percent Percent 

 Relative Relative 

 Frequency Density 



Percent 

 Relative 

 Dominance 



Importance 

 Value 



Zone 2 



Trees 



Nyssa aquatica 

 Taxodium distichum 

 Planera aquatica 

 Fraxinus caroliniana 

 Cephalanthus occidentalis 



36.0 



30.9 



73.4 



140.3 



28.0 



41.9 



21.9 



91.8 



20.0 



20.0 



3.8 



43.8 



8.0 



3.6 



0.5 



12.1 



8.0 



3.6 



0.4 



12.0 



100.0 



100.0 



100.0 



300.0 



Saplings and Shrubs 

 Planera aquatica 

 Cephalanthus occidentalis 

 Fraxinus caroliniana 



44.4 



54.5 



38.4 



137.3 



33.3 



27.3 



34.2 



94.8 



22.3 



18.2 



37.4 



67.9 



100.0 



100.0 



100.0 



300.0 



Woody Vines 

 None present 



Herbs and Woody Seedlings 

 None present 



Zone 3 



Trees 











Acer drummondii 



13.8 



30.9 



23.9 



68.6 



Fraxinus caroliniana 



20.7 



21.8 



8.0 



50.5 



Quercus laurifolia 



10.3 



90.1 



28.4 



47.8 



Quercus lyrata 



17.3 



12.7 



17.5 



57.5 



Taxodium distichum 



13.8 



10.9 



2.5 



27.2 



Carya aquatica 



10.3 



5.5 



10.3 



26.1 



Liquidambar styraciflua 



6.9 



3.6 



8.6 



19.1 



Planera aquatica 



6.9 



5.5 



0.8 



13.2 



100.0 



100.0 



100.0 



300.0 



Saplings and Shrubs 

 Fraxinus caroliniana 

 Acer drummondii 

 Sty rax americana 

 Cephalanthus occidentalis 

 Cornus foemina 

 Taxodium distichum 

 Sapium sebiferum 

 Carya aquatica 



25.9 



35.5 



40.5 



101.9 



19.3 



23.7 



22.7 



65.7 



12.9 



16.1 



11.8 



40.8 



12.9 



7.5 



9.4 



29.8 



3.2 



8.6 



9.8 



21.6 



12.9 



4.3 



2.7 



19.9 



6.5 



2.1 



1.2 



9.8 



3.2 



1.1 



1.3 



5.6 



