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A Preliminary Report on the Chinook Productivity Study Conducted on the Cowichan River During 1992

D. A. NagtegaalCanada. Department of Fisheries and OceansPacific Biological Station

出版	Department of Fisheries and Oceans, Biological Sciences Branch, Pacific Biological Station, 1994
URL	http://books.google.com.hk/books?id=3x3qMwEACAAJ&hl=&source=gbs_api

註釋

The purpose of this report is to present the results of the productivity study conducted on the Cowichan River during the fall. Major components of the study include enumeration of spawners, estimation of native food fish catch, recording hatchery broodstock removals, and biological sampling and coded-wore tag data collection. A mark-recapture study augments the fence count. In addition a water management plan was executed to increase water flow for a short period during the early part of the chinook run.