It is that time of year again. Heat wave after heat wave. As summer progresses stream flows will continue to decline all across steelhead country, and in some cases, smaller tributaries will go dry. In other cases, streams won’t be completely dewatered; instead, they will become ponded. This occurs when flows diminish so much that the only remaining surface …
Science Friday: Big fish, big streams; little fish, little streams
A holiday weekend deserves a new Science Friday post. So here we go. This week we focus on summer steelhead in the John Day River, a large tributary that drains into the middle Columbia River on the Oregon side. The John Day is a big watershed, covering 8,000 square miles, although the river itself is not that large. To …