101 



40 



70 



BO 



50 60 



Year 

 Figure 15. Eelgrass bed area (corrected for percent cover) in 



Buttermilk Bay (top) and position of central bed margin (bottom) . 



Positive bed positions represent growth in deeper water relative 



to 1951, negative values represent growth in shallow water. The net 



depth difference between the extreme positions (based on nautical 



charts) is between 0.3 and 0.6 m 



