Laserfiche WebLink
<br />R Vl2 Riverine spawning 1.0 e <br /> substrate. <br /> x 0.8 <br /> Q) <br /> A. Clay, silt, very "0 <br /> fine sand (< 0.0039 c::: <br /> ..... <br /> to 0.125 mm), SI = >, 0.6 <br /> 0.1 +' <br /> 'r- <br /> B. Fine sand, medium r-- <br /> .r- 0.4 <br /> sand (0.125 to ..c <br /> rc:l <br /> . 5 mm), SI = 0.5 +' <br /> .r- 0.2 <br /> C. Coarse sand, :::l <br /> very V) <br /> coarse sand (0.5 to <br /> 2 mm), SI = 0.8 0.0 <br /> D. Gravel-granule (2 to A B C 0 E F <br /> 4 mm), S I = 1. 0 <br /> E. Gravel-small pebble <br /> (4 to 16 mm), SI = <br /> 0.8 <br /> F. Pebble, cobble, <br /> boulders (> 16 mm), <br /> SI = 0.2 <br /> Adjust SI according to <br /> mixture of substrate <br /> sizes, by judgment. <br /> (Substrate categories <br /> adapted from Cummins ~ <br /> 1962; Cummins and ,',I,!" <br /> Lauff 1969). <br /> <br />R <br /> <br />V13 <br /> <br /> <br />Depth of pools <br />in study reach. <br /> <br /> <br /> 1.0 <br />x 0.8 <br />Q) <br />"0 <br />c::: <br />..... <br />>, 0.6 <br />+' <br />.r- <br />.r- 0.4 <br />..c <br />rc:l <br />+' <br />'r- <br />:::l 0.2 <br />V) <br /> 0.0 <br /> 0 50 100 150 200 250 300 <br /> cm <br /> <br />30 <br /> <br />e <br />