8019

• UCREFRP Catalog Number: 8019
• Author: Montana Department of Fish, W., and Parks.
• Title: Kootenai River Fisheries Investigations, Final Completion Report.
• USFW Year: 1983.
• USFW - Doc Type: \
• Copyright Material: NO

Table 9. Aquatic insects with hi gher densi ties (no. 1m2) in regulated areas. Kick, Circular and Knapp
Waters samples are combined. Annual means of monthly means (October, 1979 - September, 1980).
Kootenai Ri ver
Dunn Creek Elkhorn Pipe Creek Fi sher Ri ver
x(s.d.) x(s.d.) x(s.d.) x(s.d.)
EPHEMEROPTERA
Baetis tricaudatus 1 ,487 (1 .7 72 ) 3,422(3,594) 1,950(1,550) 866 (1,247)
Ephemerella inermis 7,200(7,853) 1,346{I,231) 216(172) 521(603)
Ephemerella tibialis 14 (IS) 890(1,028) 319(321) 118 (177)
TRI CHOPTERA
I Symphi topsyche oslari 8(11) 227(229) 94 (132) 5(8)
N Ochrotri chi asp. 28(30) 89 (102) 50(67) 3(6)
~ Brachycentrus Spa 6(9) 120(260) 77 (7 1 ) 33(61)
,
DIPTERA
Simulium Spa 1,489(1,500) 2,770(4,567) 1,808(2,796) 400(764)
Chironomidae 15,803(6,905) 7,587 (3 ,047) 11 ,061 (6 ,263) 2,207(395)