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Evidence is increasing that global warming is increasing the threat from algal blooms (aka phytoplankton), which increases the imperative for an early warning system to help combat this threat.
"Warming lochs could lead to increased algal blooms in Scotland, finds research
By DAN SYMONDS April 27, 2022
... The UKCEH researchers warn that warming and changes in rainfall patterns associated with climate change increase the risk of outbreaks of harmful algal blooms, which outcompete other freshwater plant species and produce toxins that can affect animals and people. ..."
https://www.meteorologicaltechnologyinternational.com/news/hydrology/warming-lochs-could-lead-to-increased-algal-blooms-in-scotland-finds-research.html
"Algal bloom
From Wikipedia, the free encyclopedia
... Consequences range from the benign feeding of higher trophic levels to more harmful effects like blocking sunlight from reaching other organisms, causing a depletion of oxygen levels in the water, and, depending on the organism, secreting toxins into the water. Blooms that can injure animals or the ecology, especially those blooms where toxins are secreted by the algae, are usually called "harmful algal blooms" (HAB), and can lead to fish die-offs, cities cutting off water to residents, or states having to close fisheries. The process of the oversupply of nutrients leading to algae growth and oxygen depletion is called eutrophication. ..."
https://en.wikipedia.org/wiki/Algal_bloom
OTAQ has accelerated the development of its phytoplankton early warning detection technology through a collaboration with Blue Lion Labs in Canada, and has expected to be able to demonstrate its effectiveness in the first half of this year.
And Blue Lion has been aiming to commercialise the technology by the end this year.
"JUNE 10, 2021
Turning research into commerce
Engineering alumnus recognized for 'first-of-its-kind' AI water testing tech for fish farming
By Brian Caldwell
Faculty of Engineering
... The honour in the global impact category comes a month after Blue Lion, which was launched in 2018, teamed up with a leading marine technology company in the United Kingdom to develop an imaging system to warn fish farmers of harmful plankton and algae blooms.
OTAQ announced it is investing $300,000 for an approximate 10-per-cent stake in the Waterloo-based company. The partners are aiming to commercialize the technology within the next 18 months.
... The system based on his doctoral research combines artificial intelligence (AI) software with a custom digital microscope to automatically detect harmful algae in water.
Current testing methods rely primarily on analysis of water samples at off-site labs and results can take up to a week to obtain.
The technology being developed by Deglint and Blue Lion co-founder Katie Thomas, who has a doctorate in biology from the University of Waterloo, would yield results in minutes and effectively function as an early warning system.
Current testing 'prone to human error'
“Essentially, if fish farms want to know what types of organisms are in their water today, the sample ends up on a slide with a human looking at it,” Deglint said in a media release. “It’s a tedious, time-consuming task that’s prone to human error.”
A growing industry, aquaculture represents about a third of the total fisheries value in Canada. Harmful algae blooms are a major source of damage and losses. ..."
https://uwaterloo.ca/news/engineering-entrepreneurship/turning-research-commerce#first%20#AI%20#artificialintelligence%20#fish%20#fishfarms%20#uwaterloo%20#GEDIx