Common carp (Cyprinus carpio) and channel catfish (Ictalurus punctatus) die from low dissolved oxygen and ammonia that are the result of an over-application of biosolids.

Thawing permafrost and river bank collapsed on the Cheenik Creek.

Rabbit Creek jumped its banks Friday morning on the Anchorage Hillside, washing over a bridge and prompting police to knock on doors asking people inside to evacuate.

6-8-13 Low water level - Shaktoolik, Alaska, USA

6-3-13 Erosion disrupts swallows - Evansville, Alaska, USA

5-30-13 Flooding Kobuk River - Kobuk, Alaska, USA

Severe storms wreak havoc to a Bering Sea community; the following weather conditions contributed to flooding, disrupting transportation routes, electrical transformers and seepage into local water wells.

11-27-12 Still no snow or Yukon ice - Fort Yukon, Alaska, USA

11-21-12 Air pockets in river ice - St. Marys, Alaska, USA

Yukon Flats community dealing with river erosion and landscape changes that are threatening the loss of traditional harvesting areas.

9-21-12 Extreme rain and flooding - Wasilla, Alaska, USA

A normal daily river level here is about 46', so we are nearly eight (8') feet above normal.

Extremely high water on the Noatak

Fisheries Minister Gail Shea is crowing about the opportunities with the 2010 return of sockeye to the Fraser river, calling it a  banner year for Fraser River sockeye salmon. This year's return is currently set at just over 25 million fish, one of the highest returns in the last hundred years. Several fishery openings for Fraser River sockeye have already occurred in 2010 and more are planned, she said.

6-17-12 Heat wave across Interior - Galena, Alaska, USA

Voracious predator could be big threat to native aquatic populations

Erosion on the banks of the Koyukuk River is increasing in the community of Evansville and Bettles.

Kuskokwim River flooding causes concern in community