IX, A, 5 



Broivn and Matheivs: Dipterocarp Forests 



493 



Table XXV. — Annual diameter growth of dipterocarps. Trees of Class I. 

 Trail trees in Bataan Province, Luzon. 



[Diameter and growth are given in centimeters.] 



Species. 



Anisoptera thurifera 

 (palosapis) _-__-_ 



Diameter class in centimeters. 



20 to 30. 



30 to 40. 



40 to 50. 



50 to 60. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 







33.7 



0.237 



47.7 

 41.6 



49.0 



0.882 

 0.222 



0.171 



54.1 

 57.9 



50.9 



0.297 

 0.204 



0.357 



Do 







Dipterocarpus vernici- 

 /Zwus (panao) - - 







35.3 



0.375 



Do 







Do - 



















Skorea guiso (gnijo) 



Total 



24.5 



0.575 





























0.575 

 575 





0.612 





1.275 

 49.=; 





0.858 

 0.286 



Average 





Years in class 



r 



?.4 



32.6 



23.5 



34.9 



Species. 



Diameter class in centimeters. 



60 to 70. 70 to 80. 



90 to 100. 



100 to 110. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



i Anisoptera thur ife r a 

 ! (palosapis) _ 



63.7 



0.614 



73.8 



1.118 



94.0 



0.455 



106.0 



0.059 



Do 



t Dipterocarpus vernici- 

 i Jiuus (panao) 



61.2 

 60.0 

 67.0 



0.267 

 0.202 

 0.495 



72.0 



0.059 











Do.--. 











1 



Do - -. 















Skorea guiso (guijo) 









99.9 



0.178 







Total 















1.578 i 



0.394 



1.177 



n. 588 



0.633 

 0.316 





0.059 

 0.059 



Average -_ 





' Years in class - 



2 



i .^ 1 17 1 .'?1-9 



169. B 





1 "■"" 1 



Species. 



Diameter class in centimeters. 



110 to 120. 



120 to 130. 



130 to 140. 160 to 170. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



Diam- 

 eter. 



Growth. 



Anisoptera thur ife r a 

 (palosapis) 



114.0 



0.049 







132 



0.000 



167.0 



.277 



Do-. 



129.2 

 127.9 



2.385 

 1.230 





Dipterocarpus vernici- 

 Jiuus (panao) 













Do 



, 



1 







Do- 







i 



i 







Shored guiso (guijo) 





126.8 



M3 



! I 





Total 











1 



0.049 



R.79B 1 1 0.000 1 



0.277 } 

 0.277 







0.049 1.266 



)4. 1 7. 9 



..i 0.000 1. 



Years in class 



2( 





! 36. 1 1 





i 





1 



1 



1 



12S873— 6 



