Table D-13 



Importance Values for Species Occurring at Site 13. 

 Arranged by Zone and Vegetation Layer 



158 



Species 



Percent Percent 

 Relative Relative 

 Frequency Density 



Zone 2 



Percent 

 Relative 

 Dominance 



Importance 

 Value 



Trees 



Planera aquatics 



30.8 



44.4 



25.5 



100.7 



Taxodium distichum 



30.8 



22.2 



42.3 



95.3 



Nyssa aquatica 



15.4 



13.3 



30.1 



58.8 



Fraxinus caroliniana 



19.2 



17.8 



2.0 



39.0 



Quercus lyrata 



3.8 



2.3 



0.1 



6.2 



100.0 



100.0 



100.0 



300.0 



Saplings and Shrubs 

 Fraxinus caroliniana 

 Planera aquatica 

 Sty rax americana 



37.5 



44.4 



54.5 



136.4 



50.0 



27.8 



30.1 



107.9 



12.5 



27.8 



15.4 



55.7 



100.0 



100.0 



100.0 



300.0 



Woody Vines 

 Brunnichia cirrhosa 

 Campsis radicans 

 Smilax bona-nox 

 Ampelopsis arborea 



50.0 

 12.5 

 12.5 

 25.0 

 100.0 



50.0 



20.0 



23.3 



6.7 



100.0 



41.2 



34.1 



17.7 



7.1 



100.0 



141.1 

 66.6 

 53.5 

 38.8 



300.0 



Herbs and Woody Seedlings 



Dichanthelium commutatum 22.0 



Ampelopsis arborea 12.2 



Brunnichia cirrohosa 9.8 



Ulmus americana 14.6 



Nyssa aquatica 9.8 



Car ex sp . 7.3 



Carya aquatica 7.3 



Styrax americana 4.9 



Quercus lyrata 4.9 



Planera aquatica 2.4 



Liquidambar styraciflua 2.4 



Aster sp. 2 .4 



100.0 



17.5 



39.5 



19.9 



32.1 



18.0 



27.8 



11.7 



26.3 



7.8 



17.6 



5.8 



13.1 



5.8 



13.1 



3.9 



8.8 



3.9 



8.8 



1.9 



4.3 



1.9 



4.3 



1.9 



4.3 



100.0 



200.0 



Zone 3 



Trees 



Quercus lyrata 

 Nyssa aquatica 

 Planera aquatica 



21.1 



35.8 



18.1 



75.0 



18.2 



15.1 



18.6 



51.9 



15.2 



11.3 



21.2 



47.7 



