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<br />R,L <br /> <br /> 1.0 <br />>< 0.8 <br />Q) <br />-0 <br />c:: <br />..... <br />>, 0.6 <br />~ <br />.... <br />.... <br />.... 0.4 <br />..0 <br />ItS <br />~ <br />.... <br />~ 0.2 <br />Vl <br /> 0.0 <br /> <br />Vg <br /> <br />Maximum temperature <br />within pools or <br />littoral areas during <br />spawning (June-July) <br />(Embryo) . <br /> <br /> I <br /> , <br />- <br />- <br /> \ <br /> I <br /> <br /> 10 20 30 40 <br /> oC <br />R,L VlD Substrate composition 1.0 I <br /> within pools or littoral <br /> areas for spawning >< <br /> (Embryo) . Q) 0.8 <br /> -0 <br /> c:: <br /> ..... <br /> A) Boulder (> 20 cm) ~ 0.6 <br /> and bedrock predomi- .... <br /> nate (~ 50%). .... <br /> .... I- <br /> B) Cobble (5-20 cm) ~ 0.4 <br /> predominates. ~ <br /> .... <br /> e) Sil t and sand ~ 0.2 <br /> Vl <br /> (~ 0.2 cm) <br /> predominate. 0.0 <br /> D) Pebbles and gravel A B C 0 <br /> (0.2-5.0 em) <br /> predominate. <br />R Vll Average current velocity 1.0 <br /> within pools during <br /> average summer flow 0.8 <br /> (Adult, Juvenile). >< <br /> Q) <br /> -0 <br /> c:: <br /> ..... 0.6 <br /> >, <br /> ~ <br /> .... <br /> .... 0.4 <br /> .... <br /> ..0 <br /> ItS <br /> ~ 0.2 <br /> .... <br /> ~ <br /> Vl <br /> 0.0 <br /> 0 10 20 30 40 <br />e cm/sec <br /> 11 <br /> <br />