Table 9 — Probability of stocking equations for version 2 of the Regeneration Establishment Model. The form of the equation is 



P= (l+e-'^/-^/i)-' 



Thuja 

 plicatal 





Pseudotsuga 



Abies 



Tsuga 



Abies 







menziesii 



grandis 



heterophylla 



lasiocarpa 



All 



Variable 



series 



series 



series 



series 



roads 



/ (JO 



(0) 



(3) 



(3) 



(B) 



(0) 



1 Intercept 



-0.82988 



-2.42977 



-6.21669 



-0.43035 



-2.10728 



2 COS(ASP)*SLO^'2*TIME"2 



.07406 



.39253 



.58797 



.24625 







3 SIN(ASP)*SLO"2*TIME"2 



-.06721 



.11738 



.00742 



-.01938 







4 SL0"^TIME''2 



-.02119 



-.31847 



.15254 



-.09997 







5 TIME"2 







.55349 















6 SQREGT 



.21368 







.51481 



.23914 



.42067 



7 SQBWAF 



.12913 







.44986 



.22470 



.18714 



8 BWB4 















-.11159 



-.35584 



9 ELEV 



-.02706 



.07568 



.28859 











10 ELEV^ 







-.00083 



-.00395 











11 BAA 







.01382 



.00795 







.01113 



12BAA2 







-.00008 



-.00004 













n 

 U 



u 



n 

 u 



. 1 00/ 





14C0S(ASP)*SL0*BAA 







-.01346 



-.01790 











15SIN(ASP)*SL0*BAA 







-.01348 



-.00600 











16 'NONE 



















No data 



17 MECH 



-.18027 



-.17355 



-.18546 



.06815 



No data 



18 BURN 



-.48567 



-.17355 



-.34635 



-.34280 



No data 



19 PLANT 



.74846 



















Habitat type groups 













20 PSMEA/AGL 



1.14975 



No data 



No data 



No data 







21 PSME/CARU 



.07020 



No data 



No data 



No data 







22 PSME/PHMA 



-.11583 



No data 



No data 



No data 







23 PSf^E/SYAL 







No data 



No data 



No data 







24 ABGR/LIBO 



No data 



.54137 



No data 



No data 



.59764 



25 ABGRyO<ETE 



No data 



-.05775 



No data 



No data 



.59764 



26 ABGR/CLUN 



No data 







No data 



No data 



.59764 



27 ABGR/SPBE 



No data 



-.17732 



No data 



No data 



.59764 



28 THPL/AII 



No data 



No data 







No data 



1 .35479 



OQ TCUC/AII 



1 ontyAII 



No data 



No data 



.oOdUU 



iNO oaia 



1 CinT'^R 

 1 .OVJ / OD 



30 ABUWAGL 



No data 



No data 



No data 



.27860 



1.16959 



31 ABLA/XETE 



No data 



No data 



No data 



.18176 



1.16959 



32 ABLA/CLUN 



No data 



No data 



No data 







1.16959 



33 ABLA/CAGE 



No data 



No data 



No data 



-.76407 



1.16959 



34 ABLA/MEFE 



No data 



No data 



No data 



.40383 



1.16959 



35 ABI_A/CACA 



No data 



No data 



No data 



-.83775 



1.16959 



National Forests 













36 Bitterroot 



1 .07708 







No data 











37 Panhandle 























38 Clearwater 







-.47893 















39 Colville 























40 Deerlodge 



.73060 



No data 



No data 











41 Flathead 



.73060 







No data 











wlctlldill 1 



7'^nfin 



INU UCllCl 













43 Helena 



.73060 



No data 



No data 











44 Kootenai 



No data 



















45 Lolo 



1 .07708 



















46 Nez Perce 







-.41795 















47 Payette 



.28613 



-1.08325 



No data 











48 Boise 



.80554 



-1.08325 



No data 











Chi-square 



22.05 



33.38 



7.60 



26.88 



27.16 



Error mean square 



0.9923 



1.0100 



0.9973 



1.0038 



1 .0307 



Percent stocking 



30.90 



49.54 



65.37 



55.97 



51.24 



Total No. of plots 



2,369 



3.373 



3,289 



2,414 



683 



Optimum aspect 



318° 



17° 



1° 



356° 



NS 



Amplitude 



0.09 



0.34 



0.47 



0.21 





'Represented as part of the constant term to avoid a singular matrix. 



45 



