The Role of Freshwater Ecosystems in Mitigating the Effects of Extreme Weather Events

Freshwater ecosystems, such as rivers, streams, wetlands, lakes, and floodplains, provide important services that help ease the blow of droughts, floods, heatwaves, and heavy rains. With climate change making these events happen more often and intensely, understanding how these ecosystems cushion the impact is really important. This paper looks at recent studies showing how having healthy freshwater systems, riverside plants, proper wetland water flow, and lots of biodiversity helps control floods, manage sediments, cool down the environment, and maintain water quality during extreme weather. A specific assessment framework used to compare changes before and after weather events, focusing on factors like macroinvertebrates, dissolved oxygen, microbial diversity, and plant cover along rivers. The findings? Areas packed with biodiversity and protected riparian zones fare much better and experience fewer harsh effects. Plus, spots including wetlands experienced a roughly 32 to 38% reduction in flood flow. And let’s not forget, banks lined with trees helped lower water temperatures by 3 to 5 degrees during heatwaves. These insights clearly demonstrate the need to safeguard these ecosystems and develop strategies to tackle the challenges of climate change. Spotted major gaps in the monitoring systems, though. So, recommend focusing on long-term resilience models and tying conservation efforts more closely to policies.