(A! 



SOIL 

 SURFACE 



LEAVES 

 (778) 



BRANCHES ( 1 274) 



PROP ROOTS ( 1437) 



TRUNK (2796) 



LARGE 

 ROOTS (997) 



SMALL ROOTS (4000) 



(B) 



HEIGHT 

 (M) 



o 



5000 10000 



FOOT CANDLES 



Figure 5. (a) Aboveground and belowground blomass of a Puerto R1can red mangrove 

 forest. Values in parentheses are dry g/m 2 ; large roots = 2 cm+ in diameter, 

 small roots = 0.5 - 1.0 cm. (b) Vertical distribution of light Intensity 1n the 

 same forest; canopy height is 8 m (26 ft) (both figures adapted from Golley et al. 

 1962). 



16 



