Coho Lake Rearing: Deer Lake/ Mist Cove

Overview of Operations

Stock 2.8 million coho fry annually from Hidden Falls

Rear to at least 20 grams by fall; two overwinter strategies: lake overwinter/net pen overwinter

Staff monitoring site every 3 weeks over winter

Spring smolt emigration in May/June Forced emigration of

net pen overwinter smolt

Volitional emigration of lake overwinter smolt

Winter Release Numbers/Monitoring

Released ~1.63 million 21.7 gram fingerlings into the west basin of the lake Lake 3.5 degrees Furthest release site to date Fyke net installed two days prior, no coho attempted outmigration Following release, heavy rains and high flow rates, still only 35 fish attempted

outmigration

Winter Release Site

Outlet Stream

Wavemasters December 2012 Release

January 2012 Release

December 2013 Release

Net Pen Overwinter Coho

Following the winter release splitting of two pens occurred First time doing a winter splitting at Deer Lake

Closed down camp and returned every three weeks for monitoring trips

As of the second monitoring trip: Currently holding ~1.18 million 20.1 gram fingerlings,

lost 1.8 grams since overwintering, lowest to date Overwinter mortality 0.48%, lowest to date for net pen

overwinter Lake Currently Frozen

Going into the Spring

Two sessions of forced emigration: pre-peek volitional emigration and post-peek volitional emigration

End of May/beginning of June: receive ~2.8 million ~0.9 gram fry from Hidden Falls

Rear to 20 gram size by fall 50/50 split: lake

overwinter/net pen overwinter for 2014/2015

•Open camp for season on the 4th of March •Raise pens and sample fish •Start feeding to regain weight lost over winter •Install weir early to monitor for any outmigrating fish before Mist Cove is operational

Thank you! Questions?