On Thursday, for the first time, the sheen was reported in Krestof Sound, an area where Pacific herring are known to spawn in the spring.
Oceans
As spill cleanup continues near Sitka, state looks at possible impacts on herring fishery
Biologists are looking into how a recent diesel spill around 15 miles northwest of Sitka will affect the sac roe herring fishery.
Crews work to contain fuel spill after tugboat runs aground in Neva Strait
The grounding ruptured one of the tug’s fuel tanks, which can hold around 13,000 gallons of diesel fuel. The state says that a sheen was observed covering an area of around 4 nautical miles, north to Salisbury Sound.
US and Russian scientists are still working together to solve salmon mysteries
Scientists are hoping to map out the distribution of salmon across the North Pacific using new DNA techniques.
Fisherman’s photos could be first visual evidence of North Pacific right whales in the Bering Sea in winter
Scientists say the images could help fill in some mysteries about the critically endangered whale population.
Scientists use drones to count Chukchi Sea walruses without disturbing them
U.S. and Russian scientists are using less invasive technology to get a more complete survey of the walrus population in the Bering Strait region.