Table 15 . --Finished mortality equations 



PM = (1 .0 + e ■ ) 



where 



PM = proportion of trees in a diameter class dying in the next 5-year period 



For uneven -aged yellow pine: 



X = -5.612474 - 1.763910*YPBAG - 9 . 281652*Ai *YPBAG + 5 . 597303E-04*d2 



For uneven-aged blackjack pine: 



X = -5.372649 + 1 . 270862E-03*d2 - 9 . 5994 18*Ai *BJBAG1 o^" 

 X - -5.372991 + 1 .271523E-03*d2 - 9 . 388071*A, *BJBAG2 



For even- and uneven-aged blackjack pine: 



-2 



X = -4.670214 - 18.54357*BJBAG1 - 7 . 948837E-03*TIME + 1 . 870818* (TIME) 

 + 1 .570731E-02*MBA2 + 4 . 382886E-03*d2 or 



-2 



X - -4.725930 - 17 , 46734*BJBAG2 - 7 . 256918E-03*TIME + 1 . 883188* (TIME) 



+ 



1 



.423927E-02*MBA2 + 4 . 168657E-03*d2 



D 





diameter class size 



YPBAG 





predicted yellow pine basal area growth 



BJBAGl 





predicted even- and uneven-aged blackjack pine basal area growth 



BJBAG2 





predicted uneven-aged blackjack pine basal area growth 



TIME 





number of 5 -year periods since last cutting 



Ai, A2, A3 





sigmoidal transforms of TIME. See table 5 for equations. 



MBA2 





basal area per acre in the given diameter class plus the two adjoining larger 

 and smaller diameter classes 



17 



