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<br />Weekly average pH during 1.0 <br />year under stable condi- <br />tions. If frequent <br />(diurnal), 1 a rge (> 1. 0 x 0.8 <br />OJ <br />pH unit) changes occur, "0 <br />s:::: <br />SI score should be ...... 0.6 <br />reduced by 10%. >, <br />+-> <br /> .,... <br /> r- 0.4 <br /> .,... <br /> .0 <br /> to <br /> +-> 0.2 <br /> .,... <br /> ::l <br /> (/) <br /> 0.0 <br /> 0 2 4 6 8 10 <br /> pH <br /> <br />e <br /> <br />R,L <br /> <br />V2 <br /> <br /> <br />R,L V3 Minimum dissolved 1.0 <br /> oxygen levels near <br /> sunrise during 0.8 <br /> May through August x <br /> OJ <br /> in areas of most "0 <br /> s:::: <br /> suitable water ...... 0.6 <br /> temperature. >, <br /> +.l 0.4 <br /> .,... <br />8 .,... <br />.0 <br />to 0.2 <br /> +-> <br /> .,... <br /> ::l <br /> (/) <br /> 0.0 <br /> 0 2 4 6 8 10 <br /> mg/l <br /> <br /> <br />R,L V4 Average of mean weekly 1.0 <br /> water temperatures <br /> at mid-afternoon during x 0.8 <br /> July and August (Adult OJ <br /> "0 <br /> and Juvenile). s:::: <br /> ...... <br /> >, 0.6 <br /> +.l <br /> .,... 0.4 <br /> .0 <br /> to <br /> +-> <br /> .,... <br /> ::l 0.2 <br /> (/) <br /> 0.0 <br /> 0 10 20 30 40 <br />e Oc <br />11 <br /> <br />