Table lb. Comparative measurements of photosynthesis in 

 gC/m2/day (Lugo et al . 1975) . 



Mangrove type 



Daytime net 

 photosynthesi s 



Ni ghttime 

 respi ra ti on 



P n /R 



Red 



Bl ack 



Whi te 



Red ( seedl i ng ) 



1 .38 

 1 .24 

 0.58 

 0.31 



0.23 

 0.53 

 0.17 

 1 .89 



6.0 

 2.3 

 3.4 

 negative 



Table lc. Gross primary production (GPP) at different 

 salinities (Hicks and Burns 1975). 



Mangrove type 



Average surface 

 sal i ni ty (ppt ) 



GPP 

 (gC/m2/day) 



Red 

 Red 

 Red 

 Bl ack 

 Bl ack 

 Black 

 White 

 White 



7.8 

 21 .1 

 26.6 



7.8 

 21 .1 

 26.6 

 21 .1 

 26.6 



8.0 

 3.9 

 1 .6 

 2.3 

 5.7 

 7.5 

 2.2 

 4.8 



21 



