working to build a low-carbon future. past lives: cleantech, public service, parliament hill, founder @youngvotersPEI. musing about democracy + good governance.
When an estuary is highly impacted by nutrients, we get algae blooms. Big mats of sea lettuce form and float to the surface. They block out all of the light and prevent plants like seagrass from photosynthesizing. Without photosynthesis, oxygen levels plummet.