MONTANA DEPARTMENT RSH, WILDLIFE, AND PARKS 

 MRIS Reporting Program 



POPESTIM.DBF - Fish Population Estimates Database Structures 



Field Name 



Type 



Width Dec DescriDtion 



SHORT_RRN 



SECTION 



SXJRVDATE 



SPECIES 



COLL_CODE 



SECNAME 



SECLENGTH 



SECUNTT 



AVE_WIDTH 



SECDESC 



GEAR 



ESTIM MTHD 



C 

 C 



D 

 C 

 C 

 C 

 N 

 C 

 N 

 C 

 C 



9 



1 



8 



3 



6 



30 



5 



6 



6 



50 



1 





 

 

 





 2 

 

 2 

 

 



Short RRN 



Section No. 



Survey date 



Fish species code. See Appendix B-16. 



Collection code &x)m MDFWP estimator form 



Name of population estimate section 



Loigth of survey reach 



Units of SECLENGTH 



Average width of sampling reach. 



LatitudeAongitude and verbal description of section 



Gear code. (B = boat shocking with boom; M = 



boat shocking - mobile anode; P = backpack 



shocking; S = bank shocking; I = above water 



observation; U = snorkeling; A = angling; C = 



chemical; E = explosives; K = creel; R = 



dewatering; Z = hand capture) 



Estimation method code. (P = Petersen 



mailc-recapture; S = Schanble mark-recapture; E= 



one pass; T = two pass; Z = Zippin; M = 



multi-pass, maximum likelihood; C = catch per unit 



effort; N = total number; O = other) 



Total biomass in lbs. 



Grotip 1; population estimate from 3.0 in. to 5.9 in. 



Standard error for Group 1 



Mean loigth for Group 1 



Mean weight for Group 1 



Grotq) 2; population estimate from 6.0 in. to 11.9 in. 



Standard error for Group 2 



Mean length for Group 2 



Mean weight for Group 2 



Group 3; population estimate from 12.0 in. to 17.9 



in. 



Standard error for Group 3 



Mean length for Group 3 



Mean weight for Group 3 



Group 4; population estimate from 18.0 in. and 



greater 



Standard error for Group 4 



Mean length for Group 4 



Mean weight for Group 4 



Standard error for total 



Total estimated number for survey reach 



Percent composition of game species. 



Minimum length in the estimate 



D-9 



