Stillaguamish Tribe looks at contaminants that could inhibit salmon breeding
ARLINGTON — Something in the water could be slowing salmon reproduction rates.
Wastewater containing pharmaceuticals and other products that mimic estrogen can interfere with the endocrine system of fish, potentially resulting in males displaying both male and female characteristics, which inhibits breeding.
The Stillaguamish Tribe has partnered with the U.S. Geological Survey’s Water Science Center in Tacoma and the city of Arlington to look at contaminants in the wastewater that winds up in the Stillaguamish River and Port Susan Bay. (more…)