Table 18. Aquatic productivity and mean annual chlorophyll in 

 Barataria basin from freshwater bayous to offshore areas. NDP = 

 net daytime photosynthesis; NR = nighttime respiration; GP = 

 gross production; NCP = net community production. 



Habitat 

 (Distance 

 from gulf) 



Chl-a NDP 

 (mg/m 3 ") 



NR 



GP 



NCP 



Reference 



Bayou Boeuf 

 (106 to 120 km) 



25 



316 446 



-130 Day et al . 1977 



Lake des Allemands 65 

 (98 to 108 km) 



1418 1868 3286 -450 Day et al. 1977 



Lake Cataouatche 

 (70 to 78 km) 



50 876 1205 2222 -350 Hopkinson and 



Day 1979 



Lake Salvador 

 (55 to 70 km) 



12 402 602 1058 -198 Hopkinson and 



Day 1979 



Little Lake 

 (30 to 44 km) 



Brackish-sal ine 

 (15 to 30 km) 



10 639 753 1307 -117 Hopkinson and 



Day 1979 



10 940 910 1850 to Allen 1975; 



+ 54 Day et al. 1973 



Offshore 

 (0 km) 



7.6 732 



Happ et al. 1977; 

 Sklar and Turner 

 1981 



.Offshore value in gC/m 2 /yr. 

 D g 2 /m 2 /yr. 



123 



