MONTANA RIVERS INFORMATION SYSTEM 

 Rivers Report 



APPENDIX B (cont.) 



Fisheries Database Structure - FISH.DBF 



Field Name Type Width Dec Field Description 



SPAWN VAL 



N 



SPRING VAL 



ING RATING 



N 



EST RATING 



1 



Spawning habitat rating - a tributary stream reach 



with essential spawning habitat for a receiving 



stream that has a Class 1 or 2 sport fishery value is 



upgraded respectively to Class 1 habitat and species 



value; other important streams are advanced one 



class but not higher than Class 3. 



Spring creek value stream upgraded to Class 1 for 



outstanding spring creek value, Class 2 for high 



value, and Class 3 for substantial value 



Access or ingress rating 1 - 7 (for complete 



explanation, see the guidelines pg. 9) 



1 = almost entirely public lands, 2 = mix of private 



and public where no significant portion of the stream 



is unavailable by vehicle and/or walking, 3 = ingress 



readily available by permission, 4 = ingress limited 



but some fishing is allowed, 5 = public fishing is 



available for a fee, 6 = little or no ingress by 



permission is allowed; floating precluded by stream 



size, 7 = bordered by public land by access through 



posted private land or locked gates 



Esthetics rating A - F 



A = outstanding natural beauty in a pristine setting, 



B = stream comparable to A but presence of human 



development, C = stream with natural beauty by 



more common type than A and B, D = fair esthetics, 



E = low esthetics, F = stream of national renown 



Angler days per 10 kilometers (6 miles) 



Overall angler days for the entire stream 



Sport fishery value 



1 = Outstanding, 2 = High value, 3 = Substantial, 4 



= Moderate, 5 = Limited 



Habitat and Species value (1-5) 



Final fisheries resource value (1-5); higher of the 



Sport fishery or Habitat and Species value 



Date of last data input 



Agency and person who input data 



B - 2 



