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I wouldn't be so quick to blaim run off without evidence that this is the main cause. Diving in the ocean in northern Europe you experience the same thing: you
by semi-extrinsic 12y ago
I wouldn't be so quick to blaim run off without evidence that this is the main cause. Diving in the ocean in northern Europe you experience the same thing: you have a choice between 4 degrees C and clear water or 15 degrees C and murky green. Runoff isn't a significant cause of plankton blooming in the North Atlantic. Temperature is.
- JoeAltmaier 12y agoStill, it requires nitrogen to get an algae bloom, right? Has to come from somewhere.
- mattgrice 12y agoPhosphorus is the limiting nutrient, not nitrogen. But yes, it's nearly all from ag and wastewater.
- semi-extrinsic 12y agoIn the ocean, iron plays the role of phosphorus. And it looks like the evidence for run off causing algal blooms in the Great Lakes is pretty convincing.