fishpres.doc 3/16/2000 Information Services Unit Montana Fish, Wildlife & Parks 490 N. Meridian Rd. Kalispell, MT 59901 VOICE: 406-751-4541 FAX: 406-257-0349 EMAIL: mrisfwp@digisys.net CONTACT: Janet Decker-Hess DOCUMENTATION FOR FISHPRES.DBF The fish species distribution information contained in fishpres.dbf is from the Montana Rivers Information System (MRIS) and is based upon data collected by Montana Fish, Wildlife & Parks and US Forest Service fisheries biologists up to November, 1999. Scale = 1:100 000. Each record contains a data quality rating (see definitions below). The data contained within the fishpres.dbf table are not to be considered presence/absence data. The lack of a record for a stream reach in fishpres.dbf does not indicate the absence of that species unless SPECIES = "600", "200", or "500"; or ABUNDID = "N". Following are the codes for the fields contained in fishpres.dbf: ABUNDID ***Abundance Code A Abundant C Common F Incidental N Not present R Rare U Uncommon Y Present Z Historic population 98 Not Applicable 99 Unknown USETYPEID ***Use Code A Spawning elsewhere C Migration corridor F Feeding run G Primarily spawning and rearing L Resident P Corridor and resident or spawning R Resident and spawning 98 Not Applicable 99 Unknown DATARATING ***Data Quality Rating 1 Based on judgement estimates (angler records, inference based on adjacent records) 2 Based on limited measurements (a stream survey) 3 Based on extensive measurements (Monitoring streams, sampled at some regular frequency) STGENETICSID ***Genetic Purity Code A Genetically pure, determined by electrophoresis B Potentially pure with no record of contaminating species C Potentially pure,contaminating species planted in drainage D Especially valuable genetically pure trout with E Potentially pure with contaminating species F Hybridized species determined visually (bull trout only) H <90 % Hybridized species based on electrophoresis I Genetically pure; could be invaded by contaminating species J 99.0%-99.9% pure based on electrophoresis K 95.0% - 98.9% pure based on electrophoresis L 90.0% - 94.9% pure based on electrophoresis M Hybridized species based on electrophoresis, but unknown % N Hybidized and Pure populations exist in stream V Genetically pure,determined visually (bull trout only) 98 Not Applicable 99 Unknown STHABITATID ***Habitat Code A Best habitat B Substantial habitat value C Moderate habitat value D Limited value habitat 98 Not Applicable 99 Unknown LIFEHISTID ***Life History of the Population 1 Fluvial 2 Adfluvial