Laserfiche WebLink
180 <br />160 <br />~ 140 <br />"'~ 120 <br />~ 100 <br />Q 80 <br />x <br />y 60 <br />~ 40 <br />20 <br />400 <br />350 <br />~^w, 300 <br />E 250 <br />~ 200 <br />150 <br />0 100 <br />50 <br />_ i i ~ - ~ - I r ~ - -r <br />_ 1981 I _ ___ <br />_ i .. , <br />_ n=7 I <br />_I~ <br />- _ _ I <br />I <br />_ I <br />I <br />_ T ~~. I <br />_ 9 I <br />I <br />_ I <br />APRLL MAY JUNE JULY <br />~- ~ - <br />1983 I <br />_ I <br />I <br />_ n=~ i , <br />•~I <br />I <br />_ T I <br />_ I <br />_ ~ I <br />Q I <br />_ I <br />300 <br />250 <br />~ 200 <br />150 <br />Q <br />ti 100 <br />0 <br />50 <br />APR0. MAY JUNE JULY <br />i i i _i <br />_ 1982 I ~ <br />I _ <br />I <br />n 5 - <br />_ I . <br />_ - _ ` ~i, . <br />T, ~, - I <br />- I <br />_ Q I <br />I <br />20 <br />15 U <br />a <br />10 w <br />5 <br />20 <br />150 <br />f <br />10 ~ <br />5 <br />25 <br />20 <br />15 c <br />a <br />10 w <br />5 <br />APRIL MAY JUNE JULY <br />300 <br />250 <br />m <br />~ 200 <br />W <br />~ 150 <br />a <br />U 100 <br />y <br />0 <br />50 <br />0 <br />25 <br />20 <br />1b c <br />10 <br />b <br />0 <br />APRL MAY JUNE JULY <br />MONTH <br />Fig. 7. Relation between discharge, temperature, and initiation of spawning migration for Colorado squawfish, Yampa River, <br />1981-83 and 1988. Q =average daily discharge; T =average daily temperature (USGS records, Yampa River near Maybell, <br />Colorado). Solid vertical lines =dates first and last radio-tagged fish exhibited movement to spawning ground; dashed vertical <br />line = average date radio-tagged fish exhibited migratory movements; n =number ofradio-tagged fish. <br />S <br />