Soquel Creek is a small stream flowing into Monterey Bay about 70 miles south of San Francisco and is home to a population of winter steelhead. A group of scientists published a paper in 2009 that looked into seasonal patterns of growth, survival and movement of age-0 and age-1+ juvenile steelhead within this small California watershed. Age-0 fish are …
Can a Wild Coho Salmon Population Recover Following Closure of a Hatchery Program
Today’s post is the conclusion of our two part guest series on the recovery of Coho in Oregon’s Salmon River. (Click here for last weeks post) Lately we have shared several studies on Pink and Coho salmon, which provide important lessons for salmonid recovery efforts across a range of species and watersheds. Perhaps the most important lesson is that decisions …
Science Friday: Restoring the River Salmon: The Coho Return
Today we are re-publishing an excellent article by Dan Bottom on the remarkable against all odds recovery of Salmon River Coho. This article was originally written for and published by the Reflections program at the Sitka Center for Art and Ecology near Otis on Oregon’s Salmon River. This article was submitted by Dan Bottom, a current Howard L. McKee …
Stock Recruit Curves And Wild Steelhead, A Good Match?
In several recent posts we have discussed the concept of density dependence and how it is used in fisheries management. Today we dive in deeper and talk about the stock-recruitment relationship, density dependence, and how the results of such models are applied to managing steelhead. First, let’s define some terms. Stock refers to, in this context, a population of …
What happened to my summer runs?
Editors note: This is the first in a multi-part series looking at both the decline and recovery of wild steelhead runs. By Bill Herzog Here I am, as far into the corner of eastern Washington as you can get, waist deep in the mighty Snake River, two hander whooshing around me every few minutes. I’m immersed, literally …