Proceedings - Teaching and Learning Centre - Simon Fraser ...
Proceedings - Teaching and Learning Centre - Simon Fraser ... Proceedings - Teaching and Learning Centre - Simon Fraser ...
Fraser River Action Plan 3rd Research Workshop Figure 2: Location mill A and B near-field zones for collecting fish during the field surveys on the upper Fraser River, Prince George, B.C. Page 24
Fraser River Action Plan 3rd Research Workshop Response Parameters • whole organism measurements: — size-at-age — mean age — condition — liver weight — gonad weight — fecundity — egg size • physiological measurements — hepatic MFO induction (EROD) — circulating and in vitro sex steroid levels Pilot Survey • possible sentinel species included: longnose dace leopard dace peamouth chub redside shiner prickly sculpin slimy sculpin • final selection based on abundance and capture efficiency • sampling gear included: electrofisher, beach seine, minnow traps and gillnets Page 25
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<strong>Fraser</strong> River Action Plan 3rd Research Workshop<br />
Response Parameters<br />
• whole organism measurements:<br />
— size-at-age<br />
— mean age<br />
— condition<br />
— liver weight<br />
— gonad weight<br />
— fecundity<br />
— egg size<br />
• physiological measurements<br />
— hepatic MFO induction (EROD)<br />
— circulating <strong>and</strong> in vitro sex steroid levels<br />
Pilot Survey<br />
• possible sentinel species included:<br />
longnose dace<br />
leopard dace<br />
peamouth chub<br />
redside shiner<br />
prickly sculpin<br />
slimy sculpin<br />
• final selection based on abundance <strong>and</strong> capture<br />
efficiency<br />
• sampling gear included: electrofisher, beach seine,<br />
minnow traps <strong>and</strong> gillnets<br />
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