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- Research Report on the Cause of Fish Fatal Accidents
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Research Report on the Cause of Fish Fatal Accidents
In order to investigate the causes of fish death, we have compiled a systematic flow diagram of the method of estimating causes of death from field surveys, searching for poisons using biological methods, and searching for poisons using physical methods. (issued in March 1991, B5 version 125 pages)
Last Updated January 30, 2020
- Hashigaki (PDF: 811KB)
- Table of Contents (PDF: 45KB)
- Summary (PDF: 89KB)
- Characteristics of fish fatal accidents that occurred in the waters of Yokohama City (PDF: 698KB)
- Relationship between fish fatal accidents and water quality change characteristics (PDF: 1,100KB)
- Concentrated toxicity of river water (PDF: 632KB)
- Physiological effects on fish such as oxygen deficiency (PDF: 1,924KB)
- Morphological effects on fish such as oxygen deficiency (PDF: 5,208KB)
- Cases of fatal fish accidents that occurred in the past (PDF: 2,003KB)
- Method for investigating the cause of fish fatal accidents (PDF: 1,003KB)
- Future Issues (PDF: 96KB)
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Inquiries to this page
Environmental Science Research Institute, Environmental Conservation Department, Green Environment Bureau
Telephone: 045-453-2550
Telephone: 045-453-2550
Fax: 045-453-2560
Email address: mk-kanken@city.yokohama.lg.jp
Page ID: 234-413-365
