The US has a lot of dams. Probably far more than you ever imagined possible. Many of these dams are around 100 years old. How long does it take to restore a riverine ecosystem to a more natural state after a century of alteration by a dam? Scientists addressed a portion of this question by […]
Coho salmon are one of the six species of Pacific salmon. They can be found from California to Alaska, but from California to Oregon their populations are in bad shape. A new study in Applied Ecology tries to determine if pollution from urban runoff may be partly to blame. Derrick AlcottDerrick is pursuing a Ph.D. […]
River herring are anadromous fish, which means they live most of their life in the ocean but spawn in freshwater streams and rivers. Recent decades have seen a massive decline in river herring populations caused primarily by over-harvesting and decreased access to spawning habitat. These fish are now largely protected in freshwater systems during their […]