TABLE NO. 21 

 Kim SALMON SPAWNING IIEST5. TRINXTY RIVER 



—— ' lll l l ^ I II I ll l llllll I -■■■■ I I — ^-»»p-m .t--i-«»— m ' i u ,j 1 4 



Lewiston C-am Site Lewiston Dam Site Srass valloy Crcsk 



t o North Fork to Orass Ve.lloy Oreek to North Fork 



Flow NoBts/c.f.So Number Nests/cf.s. Number Noata/c.f.s. Numlisr 



e.f.Bt per Mile of Neets per Mile of Nests per Mile of Hosts 



J 3 K B N S l!^ 



50 i.ioii^ 2,038 .8666 32^ i.i6n i,72U 



60 1.0930 2,U26 .86oif 387 i.^522 2»039 



70 1.0846 2,809 .85if3 Uks 1.1432 2J61 



80 1.0762 3,186 .8^82 507 i.13^2 2.677 



90 1.0679 3.556 .81^21 56s 1.1252 2,987 



100 (J,) 1.0595 (El) 3,920 ,8360 (%) 627 1.1163 <%) 3.293 



no 1.0511 4,278 .8299 685 1.1073 3.553 



120 1.0426 4,629 .8238 7^1 1.038^ 3.8gS 



130 1.03U3 4,975 .8176 797 1.0894 4, lis 



140 1.0259 5.314 .8116 852 1,0804 4,4^2 



150 1.0175 5.647 .8054 906 l„07l4 4,7Uj. 



160 1.0091 5*974 ,7993 959 1.0624 5,015 



170 1,0007 6,294 .7952 1.011 1.0535 5,283 



ISO ,9923 6,609 .7871 1,063 l«0445 5,546 



190 ,9839 6,917 .7810 1,113 1.0355 5,804 



200 .9755 7,219 .7749 1,162 1.0266 6,057 



210 .9671 7.514 .7687 1.211 1.0176 6.304 



220 .9588 7,805 .7627 1,258 1.0086 6,546 



230 .9504 8,088 .7566 1,305 .9996 6,782 



240 .9420 8,365 .7504 I.351 ,9907 7,Ol4 



250 .9336 8,636 ,7443 1,396 .9817 7,240 



260 .9252 5,900 .7382 1,439 ,9727 7.461 



270 ,9168 9.159 .7321 1,483 .9638 7,677 



280 .9084 9,4ii .7260 1,525 ,9548 7.887 



290 .9000 9^657 .7199 1.566 .9458 8,091 



300 (P2) .8916 (B2) 9o897 .713s (Eg) 1,606 ,9368 (B2) 8,291 



310 .88^2 10,130 .7077 1.645 ,9279 8,4g6 



320 .8748 10,358 o70l6 1,684 .9189 8,674 



330 .8654 10,579 .6954 1.721 .9099 8,858 



340 .8581 I0e795 .6893 1,758 .9009 9.036 



350 .845 10,9^3 .6832 1.793 .8920 9.210 



Ej^ or E2 - N ♦ M 2 ■ Efficiency Rating. 



El = Efficiency Sating at low flow. 



Eg = Efficiency Re.ting at high flow. 



n a Number of intervsils between E^ & E2. 



i = Size of interval in c.f. s. 

 N-EXFXM i«= How 



Pi = Flow at Bi in c.f. 9. 



N = Number of nests. 



M -= Miles of river. 



64 



