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Core sample from Hood Canal showing a cotton-like mat of Beggiatoa bacteria extending above the seafloor. Oct 2006. Photo: Matt Lonsdale
Core sample from Hood Canal showing a cotton-like mat of Beggiatoa bacteria extending above the seafloor. Oct 2006. Photo: Matt Lonsdale

Does Puget Sound need a diet?

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As the region’s population grows, scientists say we can expect to see increasing amounts of nitrogen and other elements flowing into Puget Sound. Known as “nutrients” these elements are naturally occurring and even necessary for life, but officials worry that nutrients from wastewater and other human sources are tipping the balance. That could mean big problems for fish and other marine life, gradually depleting the water of oxygen and altering the food web.

Read our latest story in Salish Sea Currents.