INDUCTION AFTER CHANGE TO LOWER LIGHT INTENSITY 



1357 



"saturating" to a "limiting" value may be independent of the specific 

 value of the final light intensity, and ecjual to the "rate deficiency" in 

 conditioning light (meaning by this the ratio of the actual rate to the rate 



Figs. 33.L3N and O. Initial inhibition in percent of photosynthesis of Fucus serratus 

 at 2.3 klux, as function of the duration of "conditioning" to 23 klux (curve N), and of 

 "deconditioning" in darkness after completed conditioning to 23 klux (curve O), 5° C. 

 (after Steemann-Nielsen 1942). 



