lower and the particle sizes were smaller in the BNL. Thus there 

 was some evidence that the particles in the BNL at Jordan Basin 

 were different from those in the clearer water above and that 

 they were biologically enhanced. 



Table 3. Comparison of indicators and rate measurements in BNL, 

 as in Table 1. 



Location Date 



C/ . 

 ATP- 



Pr/ C/N 3 Chi/ 



PN' 



Pr' 



Chla/ Rest 

 Total ETS* 

 Pigment^ 



Slope Size 

 Distribution 



Jordan 

 Basin 



16&17 

 18&19 

 All 



Mt. 



Desert I 17&18 



2120 230 11.9* 0.174* 12.6* 0.77 3.21 

 5600* 129 9.6* 0.64* 44.0* 0.51 3.18 

 11.0* 0.33* 25.0 0.65 3.2 



3400 190 



4300 101.0 9.1* 1.32* 36.0 0.663.0 

 ^by wt 2 % mole N 3 by mole ^u g/u mole N 5% by w -j- 



u L0 2 /L/hr 



Table 4. Comparison of numbers of organisms between BNL, clear 



and surface water. * indicate pairs of means which are 

 significantly different (Student's 2-tailed t-test, p < 

 0.05). 



Location 



Date 



Layer 



Nanoplankton-*- 

 Autotrophic Heterotrophic 



Jordan Basin 16&17 

 18&19 



Mt. Desert I 17&18 

 Both 16-19 



1 xlO 6 cells/L 



,33 

 .49 



6 

 14 



54 



77 

 27 



197 



