II. Assignment of rlass 



Points 



I 'i.O or more 

 10.0 to 14.9 

 5.0 to 9.9 

 1.0 to 4.9 

 0.0 to .9 



Hahitat and Species Value Class 



A tribut.Try stream reach wlili especially valuable spawning habitat for 

 a receiving stream that has a Class 1 or 2 sport fish value, is 

 upgraded respectively to Class 1 or 2 habitat and species value. 



Other important streams for trout recruitment, including passage, are 

 advanced one class but not higher than class 3. 



Procedure for Category 2 - Sport Fishery Value of Stream Reach 

 Criterion T. Fish Abundance - Award of Points and Assignment of Grade 

 a. Points for abundance of all trout species combined 

 Blomass (kg/ 300 m) Points 



b. 



70.0 or more 

 12.0 to f)9.9 

 5.0 to 11.9 

 3.5 to 4.9 

 0.1 to 3.4 



9.0 



4.0 

 2.0 

 1.0 



Points for abundance of trout with unrecorded biomass and class A 

 non-trout game and sport fish for streams. — 



Abundance Rating — ' 



1/ 



Points 



2.0 

 3.0 

 1.0 

 2.0 

 .5 



U, V and Z 



NOTE: Maximum for nionntain whitefish is 2.0 points. 



Assignment of abnndancf grade 



Points (sum of points from a and b above) Grade 



9.0 or more 

 6.0 to 8.9 



3.0 to 5.9 



1.1 to 2.9 

 0.0 to 1.0 



Criterion IT. Assignment of Ingress Grade 



3/ 

 Ingress rating — 



1 



2 and 3 



4 



5 



6 and 7 



Grade 



4 

 3 

 2 

 1 

 



1/ 

 3/ 



See fish abundance ratings in Attachment. 



For species designations see list of Montana fishes in Attachment. 



See explanation of Ingress ratinps in Attachment. 



