I 



57 



SEABIRDS 



B = 15 

 P = 81 



847 



MONK SEALS 



SMALL PELAGIC S 



B = 1,836 

 P = 2,020 



i 



150 



SHARKS, JACKS, SCOMBRIDS 

 B = 536 P = 192 



LOBSTERS AND CRABS 



B = 1,348 

 P = 701 



B = 13,966 

 P = 20,949 



BOTTOM FISHES 



B = 94 

 P = 30 



GREEN TDRTLES 



B = 15 

 P = 2 



4.3 X 10* 



HETEROTROPHIC BENTHOS 



B = 1.7 X 10^ 

 P = 5.1 X 10^ 



OS y 



g 



X 



to 



2.4X10® 



BENTHIC ALGAE 



B = 2.0 X 10^ 

 P = 2.5 X 10^ 



47 



Figure l.-Biomass budget schematic for major prey-predator pathways. Annual production denoted as P and mean annual biomass as B 

 with values in units of (kg/km)'^ based on a habitat area of 1 ,200 km^. The values associated with the arrows represent the pro(iucti()n from the 

 lower trophic level consumed by the higher trophic level (Polovina in press). 



bibliography of the food and feeding habits of tropical fish. 

 In Report on the regional training course on fishery stock 

 assessment, 1 September-9 October 1981, Samutprakarn, 

 Thailand, p. 30-35 and 92-98. Tech. Rep. 1, Part II, SCS/ 

 GEN/82/41, Manila. 

 Polovina, J. J. 



1984. Model of a coral reef ecosystem, Part I: ECOPATH and 



its application to French Frigate Shoals. Coral Reefs 3:1-11. 

 Walsh, J. J. 



1981. A carbon budget for overfishing off Peru. Nature 290: 

 300-304. 



Jeffrey J. Polovina 

 Mark D. Ow 



Southwest Fisheries Center Honolulu Laboratory 

 National Marine Fisheries Service, NOAA 

 P.O. Box 3830 

 Honolulu., HI 96812 



460 



