Table D-16 



Importance Values for Species Occurring at Site 16. 

 Arranged by Zone and Vegetation Layer 



173 



Species 



Trees 



Fraxinus carol iniana 

 Nyssa aquatica 

 Planera aquatica 

 Taxodium distichum 

 Salix nigra 

 Betula nigra 

 Quercus laurifolia 



Percent 



Percent 



Percent 





Relative 



Relative 



Relative 



Importance 



Frequency 



Density 



Dominance 



Value 



Zone 2 





25.8 



53.6 



17.4 



96.8 



22.6 



9.6 



53.3 



85.5 



29.1 



28.0 



21.0 



78.1 



9.7 



2.4 



4.0 



16.1 



6.4 



4.8 



2.9 



14.1 



3.2 



0.8 



1.2 



5.2 



3.2 



0.8 



0.2 



4.2 



100.0 



100.0 



100.0 



300.0 



Saplings and Shrubs 

 Fraxinus carol iniana 

 Planera aquatica 

 Salix nigra 



Cephalanthus occidentalis 

 Crataegus aestivalis 

 Gleditsia aquatica 

 Itea virginica 



37.6 



55.4 



56.0 



149.0 



25.0 



22.6 



21.3 



68.9 



8.3 



14.7 



17.3 



40.3 



8.3 



3.1 



2.5 



13.9 



8.3 



1.2 



1.6 



11.1 



8.3 



1.2 



0.7 



10.2 



4.2 



1.8 



0.6 



6.6 



100.0 



100.0 



100.0 



300.0 



Woody Vines 

 Smilax waiter i 



100.0 



100.0 



100.0 



300.0 



Herbs and Woody Seedlings 

 Planera aquatica 

 Taxodium distichum 

 Fraxinus caroliniana 

 Vitis sp. 

 Panicum rigidulum 



57 



14 



14 



7 



7 



100.0 



57.2 



114.4 



14.3 



28.6 



14.3 



28.6 



7.1 



14.2 



7.1 



14.2 



100.0 



200.0 



Zone 3 



Trees 











Fraxinus caroliniana 



20.7 



49.9 



13.4 



84.0 



Quercus laurifolia 



24.2 



18.0 



41.3 



83.5 



Quercus lyrata 



10.4 



4.2 



14.3 



28.9 



Taxodium distichum 



10.4 



5.6 



6.5 



22.5 



Acer rubrum 



6.9 



6.9 



2.5 



16.3 



Liquidambar styraciflua 



6.9 



2.8 



6.0 



15.7 



Planera aquatica 



3.4 



5.6 



4.3 



13.3 



Nyssa aquatica 



3.4 



1.4 



8.5 



13.3 



