Table 3. — Mortality rates for north Idaho species (no significant independent 



variables ) 



Species: 



Mortality rate: 



No. of observations: 



Variable 



Tsuga heterophylla (western hemlock) 



0.01355/yr 



255 



, Mean 



Diameter at breast height (inches) 



16.9 



Standard deviation 

 11.9 



Species: 

 Mortality rate: 

 No. of observations: 

 Variable 



Pinus contorta (lodgepole pine) 



0.00631/yr 



178 



- Mean 



Diameter at breast height (inches) 



9.9 



Standard deviation 

 4.3 



Species: 

 Mortality rate: 

 No. of observations: 

 Variable 



Picea engelmannii (Engelmann spruce) 



0. 01987/yr 



325 



Mean 



Diameter at breast height (inches) 



17.2 



Standard, deviation 

 8.7 



Species: 



Mortality rate: 



No. of observations: 



Variable 



Abies lasiocarpa (subalpine fir) 



0.02571/yr 



145 



Mean 



Diameter at breast height (inches) 



13.9 



Standard deviation 

 6.2 



Species: 

 Mortality rate: 

 No. of observations: 

 Variable 



Pinus ponderosa (ponderosa pine) 



0.00949/yr 



254 



Mean 



Diameter at breast height (inches) 



18.4 



Standjxrd deviation 

 9.3 



14 



