Table 20 (continued) 



Ingrowth into 4-inch diameter class 



ING^,, = TI*(1.0 - PT) 



Ingrowth into 5- inch diameter class 



I\"Gg„ = TI*PT 



HEIGHT EQUATIONS 

 Even-aged 



Hp = MH - 0.88015037(MH - 4.5) (1.0 - ^) 

 Uneven -aged 



„C2 C3(D+35)'^ 

 Hp = Co + ci • S ^ • e 



CO = 4.5 



ci = 13.178649 



C2 = 0.71631005 



C3 = -4221.6528 



DEFINITION OF VARIABLES 



BJBAG = Predicted average 5-year basal area growth, in square feet, of blackjack 

 pine 



YPBAG = Predicted average 5-year basal area growth, in square feet, of yellow 

 pine 



BJBAG-4" = Predicted average 5-year basal area growth in the 4-inch diameter 

 class of blackjack pine 



PM = Proportion of trees dying in the next 5-year period 



PC = Proportion of blackjack pine converting to yellow pine in each 

 fourth growth period 



TI = Total ingrowth for uneven-aged stands 



PT = Proportion of total ingrowth growing into the 5-inch diameter 

 class for uneven-aged stands 



ING^i, = Ingrowth into the 4-inch diameter class for uneven-aged stands 



INGg,, = Ingrowth into the 5-inch diameter class for uneven-aged stands 



Hp = Average height of the Dth diameter class 



D = Diameter class size 



S = Minor's (1964) site index 



MBA2 = Basal area in the given diameter class plus the two adjoining 

 larger and smaller diameter classes 



LBA2 = Total basal area below the smallest diameter class in MBA2 



UBA2 = Total basal area above the largest diameter class in MBA2 



BA = Total basal area 



= MBA2 + LBA2 + UBA2, for a specified diameter class 



BACLi = Basal area in the 4- through 6-inch diameter classes 



BACL2 = Total basal area above the 6-inch diameter class 



Ai = -0.244178 + 1.244178*EXP(-(1. 176471 - . 019607*TIME) 3) 



A2 = -0.095336 + 1.095336*EXP(-(1.25 - . 020833*TIME) '*) 



A3 = -0.000203 + 1 .000203*EXP(-(1. 428571 - . 023809*TINE) 6) 



TINE = Number of 5-year growth periods since last cutting 



DM = Maximum diameter class size that an even-aged stand has achieved in its development 



MH = Maximum height as predicted by Minor's (1964) equation 



= S - 1.4003(/a - 10) + 0.1559(S) (»^ - 10) 



A = Breast height stand age, 20<A<_140 



39 



