Fewer fish or fishy science? Industry, biologists differ over Lake Winnipeg walleye

[wildmanyeah]

Fewer fish or fishy science? Industry, biologists differ over Lake Winnipeg walleye

Scientists fear for Manitoba's most valuable fish. Fishers want their own evidence

https://www.cbc.ca/news/canada/manitoba/lake-winnipeg-walleye-fishery-1.5197087

 

[agentaqua]

Seems like a well-balanced new article WMY - which is unfortunately rare today. Thanks for posting it.

Looks like Lake Winnipeg has challenges with nutrification:
https://www.cbc.ca/news/canada/manitoba/lake-winnipeg-phosphorus-algae-blooms-1.4293366
https://en.wikipedia.org/wiki/Lake_Winnipeg_algae_threat
https://www.gov.mb.ca/sd/waterstewa...agement/pdf/connected_docs/lake_wpg_final.pdf
https://www.researchgate.net/public...arison_of_historical_records_with_recent_data
http://www.lakewinnipegresearch.org/wp-content/uploads/2018/08/2011-LWRC-SOTS_FullReport_Final-1.pdf
https://manitoba.ca/waterstewardshi...ake_winnipeg_rpt_technical_low_resolution.pdf

Apparently - the increased nutrients do cause more productivity on fish #s, but there is a succession of fish species and numbers over time. As with all fisheries - predicting what will happen when is where the controversy lies:
https://www.winnipegfreepress.com/l...ckerel-catch-drops-drastically-461196843.html
https://www.gov.mb.ca/waterstewardship/fisheries/commercial/pdf/lwtf2011.pdf
https://www.sciencedirect.com/science/article/pii/S0380133010002406
http://publications.gc.ca/collections/collection_2014/mpo-dfo/Fs97-6-2398-eng.pdf
https://mwf.mb.ca/2019/05/10/lake-winnipeg-workshop-update/

 

[SpringVelocity]

Great now my hometown fish if having problems. FFS.

 

[agentaqua]

Big Manitoba fish make a run for the border, biologists find
https://www.cbc.ca/news/canada/manitoba/freshwater-fish-manitoba-movement-1.5295581