Rainbow Trout

Lower Columbia River Rainbow Trout Spawning Analysis 2018

The suggested citation for this analytic report is: Thorley, J.L. and Dalgarno, S. (2018) Lower Columbia River Rainbow Trout Spawning Analysis 2018. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/934446658. Background Each spring in the Lower Columbia River (LCR) below the Hugh L. Keenleyside Dam (HLK) and in the Lower Kootenay River (LKR) below the Brilliant Dam, thousands of Rainbow Trout spawn. Since 1992, BC Hydro has stabilized the spring discharge releases from HLK to protect Rainbow Trout redds from dewatering.

Lower Columbia River Rainbow Trout Spawning Analysis 2017

The suggested citation for this analytic report is: Thorley, J.L., Muir, C.D. and Dalgarno, S. (2018) Lower Columbia River Rainbow Trout Spawning Analysis 2017. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/453582501. Background Each spring in the Lower Columbia River (LCR) below the Hugh L. Keenleyside Dam (HLK) and in the Lower Kootenay River (LKR) below the Brilliant Dam, thousands of Rainbow Trout spawn. Since 1992, BC Hydro has stabilized the spring discharge releases from HLK to protect Rainbow Trout redds from dewatering.

Quesnel Lake Exploitation Analysis 2017

The suggested citation for this analytic report is: Thorley, J.L. and Dalgarno, S. (2018) Quesnel Lake Exploitation Analysis 2017. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/942646731. Background Quesnel Lake supports a recreational fishery for large Bull Trout, Lake Trout and Rainbow Trout. To provide information on the natural and fishing mortality, trout were caught by angling and tagged with acoustic transmitters and/or reward tags. Methods Data Preparation The outing, receiver deployment and fish capture and recapture information were provided by the Ministry of Forests, Lands and Natural Resource Operations and entered by Vicky Lipinski and databased by Gary Pavan.

Lower Duncan River Rainbow Trout Spawning Analysis 2017

The suggested citation for this analytic report is: Thorley, J.L. & Dalgarno, S.I.J. (2018) Lower Duncan River Rainbow Trout Spawning Analysis 2017. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/897442882. Background The Lardeau River (LAR) flows 45 km from Trout Lake to join the Lower Duncan River approximately 1 km downstream of Duncan Dam (DDM). The Duncan River downstream of the Lardeau River (DRL) then extends a further 11 km downstream to Kootenay Lake.

Curtis and Qua Creeks Productivity Analysis 2017

The suggested citation for this analytic report is: Thorley, J.L. and Dalgarno, S. (2018) Curtis and Qua Creeks Productivity Analysis 2017. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/611560309. Background Water chemistry, invertebrate and fish data were collected from Curtis and Qua Creeks from 2015 to 2017 and periphyton data were collected in 2015 and 2016 to assess their productivity. The fish data were collected by depletion electrofishing. Methods Data Collection The data were collected by the Salmo Streamkeepers and Poisson Consulting in 2015 and by the Salmo Streamkeepers in 2016 and 2017.

Horse Lake Rainbow Trout Natural and Fishing Mortality Analysis 2017

The suggested citation for this analytic report is: Dalgarno, S.I.J. and Thorley, J.L. (2018) Horse Lake Natural and Fishing Mortality Analysis 2017. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/168266338. Background Horse Lake supports a recreational fishery for stocked Rainbow Trout and Kokanee and wild Lake Trout. To provide information on the natural and fishing mortality, Lake Trout were caught by angling and tagged with acoustic transmitters and/or reward tags.

Duncan Lardeau Juvenile Rainbow Trout Abundance 2017

The suggested citation for this analytic report is: Thorley, J.L., Muir, C.D., Dalgarno, S. and Hogan P.M. (2017) Duncan Lardeau Juvenile Rainbow Trout Abundance 2017. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/492093238. Background Rainbow Trout rear in the Lardeau and Lower Duncan rivers. Since 2006 (with the exception of 2015) annual spring snorkel surveys have been conducted to estimate the abundance and distribution of age-1 Rainbow Trout. From 2006 to 2010 the surveys were conducted at fixed index site.

Lower Columbia River Fish Population Indexing Analysis 2016

The suggested citation for this analytic report is: Thorley, J.L. and Muir, C.D. (2017) Lower Columbia River Fish Population Indexing Analysis 2016. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/589633601. Background In the mid 1990s BC Hydro began operating Hugh L. Keenleyside (HLK) Dam to reduce dewatering of Mountain Whitefish and Rainbow Trout eggs. The primary goal of the Lower Columbia River Fish Population Indexing program is to answer two key management questions:

Quesnel Exploitation Analysis 2016

The suggested citation for this analytic report is: Thorley, J.L. and Dalgarno, S. (2017) Quesnel Exploitation Analysis 2016. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/986075165. Background Quesnel Lake supports a recreational fishery for large Bull Trout, Lake Trout and Rainbow Trout. To provide information on the natural and fishing mortality, trout were caught by angling and tagged with acoustic transmitters and/or reward tags. Methods Data Preparation The outing, receiver deployment and fish capture and recapture information were provided by the Ministry of Forests, Lands and Natural Resource Operations and entered by Vicky Lipinski and databased by Gary Pavan.

Middle Columbia River Fish Indexing Analysis 2016

The suggested citation for this analytic report is: Thorley, J.L. and Campos M. (2017) Middle Columbia River Fish Indexing Analysis 2016. A Poisson Consulting Analysis Report. URL: http://www.poissonconsulting.ca/f/577548349. Background The key management questions to be addressed by the analyses are: Is there a change in abundance of adult life stages of fish using the Middle Columbia River (MCR) that corresponds with the implementation of a year-round minimum flow? Is there a change in growth rate of adult life stages of the most common fish species using the MCR that corresponds with the implementation of a year-round minimum flow?