Table 10. Frequency for six dune plants at Drum Inlet, North Carolina, 1974. 



Treatment 



Plot 



Oceanside 



Frequency 



(percent) 







No. 

















side of 



2 



3 



4 



5 



6 



7 







dune 



A 



C 



E 



P 



S 



U 



NJ-327 American beachgrass 



1 



ocean 

 sound 



100 

 100 







62 









12 



ocean 



75 







62 



12 



12 







sound 



88 





12 



25 





25 



Cape American beachgrass 



2 



ocean 

 sound 



88 

 100 





12 



38 



12 







14 



ocean 



100 





12 



12 



12 









sound 



100 



12 



38 





12 





Hatteras beachgrass 



3 

 13 



ocean 

 sound 

 ocean 

 sound 



100 

 100 

 100 

 100 





25 



50 



62 

 12 







Bitter panicum (Hatteras) 



4 



sound 







12 



100 

 50 









8 



ocean 

 sound 







12 



100 

 88 





25 



Hatteras beachgrass plus 



5 



ocean 



100 







88 





12 



Bitter panicum (Hatteras) 





sound 



100 





12 



62 









11 



ocean 



88 





12 



100 





25 







sound 



75 



12 



50 



88 





38 



Bitter panicum (Hatteras) plus 



6 



ocean 







12 



88 





100 



Sea oats (Drum Inlet) 





sound 









50 





88 





10 



ocean 



12 







100 





100 







sound 



25 



12 





100 





75 



Hatteras beachgrass plus 



7 



ocean 



50 





12 



75 





75 



Bitter panicum (Hatteras) plus 





sound 



75 





12 



75 





75 



Sea oats (Drum Inlet) 



9 



ocean 

 sound 



50 

 88 







88 

 75 



12 



75 

 12 



1. The percentage of sample plots in which a species occurred, based on eight 1-square-meter sample 

 subplots on oceanside and eight on sound side of dune per plot per treatment, n = 224. 



2. Aimophtla. brevtligulata (American beachgrass). 



3. Cdkite edentula (sea rocket). 



4. Euphorbia polygonifolia (seaside spurge). 



5. Paniaum amarum (bitter panicum). 



6. Spartina patens (saltmeadow cordgrass) . 



7. Vniola panicutata (sea oats). 



32 



