Table 11, 



Mean estimated cover for all plant species at Drum Inlet, 

 North Carolina, 1974. 



Treatment 



Plot 



Oceanside 



Mean estimated 





No. 



or sound 



cover 







side of 



(percent) 







dune 





NJ-327 American beachgrass 



1 



ocean 



16 







sound 



8 





12 



ocean 



21 







sound 



22 



Cape American beachgrass 



2 



ocean 



16 







sound 



8 





14 



ocean 



12 







sound 



21 



Hatteras beachgrass 



3 



ocean 



24 







sound 



18 





13 



ocean 



20 







sound 



14 



Bitter panicum (Hatteras) 



4 



ocean 



33 







sound 



13 





8 



ocean 



46 







sound 



16 



Hatteras beachgrass plus 



5 



ocean 



18 



Bitter panicum (Hatteras) 





sound 



16 





11 



ocean 



33 







sound 



29 



Bitter panicum (Hatteras) plus 



6 



ocean 



36 



Sea oats (Drum Inlet) 





sound 



33 





10 



ocean 



26 







sound 



41 



Hatteras beachgrass plus 



7 



ocean 



17 



Bitter panicum (Hatteras) plus 





sound 



16 



Sea oats (Drum Inlet) 



9 



ocean 



30 







sound 



11 



Percentage of ground surface covered by shade as determined by 

 projecting area covered by vegetation groundward, based on eight 

 1-square-meter sample subplots on oceanside and eight on sound side 

 of dune per plot per treatment, n = 224. 



34 



