Table of Data on Tropical Rainforests (modified from J. Terborgh, 1992, Scientific American Library)

Parameter

Amazon caatinga,

Venezuela

Oxisol forest,

Venezuela

Lower Montane rainforest,

Puerto Rico

 

Evergreen forest,

Ivory Coast

Dipterocarp forest,

Malaysia

Lowland rainforest,

Costa Rica

Moist forest,

Panama

Aboveground biomass (tons/ha)

 

268

264

228

513

475

382

326

Root Biomass (tons/ha)

 

132

56

72.3

49

20.5

14.4

11.2

Total Soil Nitrogen (kg/ha)

 

785

1697

-

6500

6752

20,000

-

Total Soil Phosphorus (kg/ha)

 

36

243

-

600

44

7000

23

Turnover time of leaves (years)

2.2

1.7

2.0

-

1.3

-

0.9