"'We noticed some algae build-up, which generally is due to the stream water warming up,' said Hona Edwards, a member of a local guardian group that monitors the stream.
"'Then the biggest percentage of the stream was observed to range from very limited to no water flow. When there’s no flow, the dissolved oxygen reduces, and the toxins build up in the waterway,' he said.
"Such algal blooms occur when conditions such as warm water temperatures and low water volumes are coupled with nutrient flows from agricultural use and toxic #pollutants from human activities.
"While mass deaths of freshwater fish are known to occasionally take place across the world, a study of lakes in #Minnesota and #Wisconsin in the United States found that such incidents have increased globally in the past decade."
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