A persistent problem in Lake Winnipeg involves zebra mussels, microplastics from wastewater, E. coli concerns, and toxic algal blooms visible from space. However, a lesser-known aspect gaining attention is the study of viruses affecting microalgae, crucial to the lake’s ecosystem. Prof. Emily Chase, a microbiologist at the University of Winnipeg, emphasizes the significance of understanding these viruses for the lake’s future health.
Chase’s research focuses on how viruses infect Lake Winnipeg microalgae, essential in the lake’s food chain. While microalgae are vital for energy production and serve as food for various aquatic organisms, concerns arise due to imbalances caused by climate change. The warmer climate could exacerbate toxic algal blooms, disrupting recreational activities and commercial fishing.
Phosphorus and nitrogen from agricultural runoff and wastewater are major contributors to algal blooms in Lake Winnipeg, earning it the title of the most threatened lake globally in 2013. The role of viruses in influencing lake dynamics remains a key area of study, with researchers speculating their involvement in algal bloom collapses.
Drawing on her previous work in the Mediterranean Sea, Chase warns that Lake Erie’s ice loss could foreshadow challenges for Lake Winnipeg. A potential ice-free Lake Winnipeg could intensify toxic algae cycles, impacting the ecosystem. Collaborating with researchers like Scott Higgins from the International Institute of Sustainable Development will help predict and mitigate the lake’s future challenges.
Understanding the intricate relationship between viruses, algae, and climate change is crucial for safeguarding Lake Winnipeg’s ecosystem. Chase’s research aims to fill knowledge gaps and provide insights into managing potential environmental threats in the face of climate change.
[Source](https://www.cbc.ca/news/canada/manitoba/lake-winnipeg-toxic-algae-research-9.7088623)