Factors affecting Policy Change of Lake Biwa Conservation

2018 Fiscal Year Final Research Report

• Project/Area Number: 16K16241
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Environmental policy and social systems
• Research Institution: The University of Shiga Prefecture
• Principal Investigator: Hirayama Naoko 滋賀県立大学, 環境科学部, 講師 (30623847)
• Research Collaborator: IDE Shinji
• Project Period (FY): 2016-04-01 – 2019-03-31
• Keywords: 政策過程論 / 湖沼流域管理 / テキスト分析

Outline of Final Research Achievements

The water environmental situation of Lake Biwa was getting worth from 1960s and 70s. In this study, I analyzed text data of Shiga prefectural assembly record from 1970 until 2015.As a result, there were many discussions about "lake water quality","river" and "sewerage system" in Shiga prefectural assembly. Additionally, discussion topics were related to contents of newspaper articles regarding "environmental pollution" and "development of lake basin".

Free Research Field

環境政策科学

Academic Significance and Societal Importance of the Research Achievements

琵琶湖は流域面積の広さ，利用目的の多さ，利害関係者の複雑さから国内湖沼が抱えるほとんどの課題を経験し，それらに対する政策を実施してきている．また『全国湖沼資料集＜第20集＞』に掲載された195湖沼のうち29湖沼において保全計画が策定されている．琵琶湖の政策決定プロセスにおいてどのような議論を経て政策が変化してきたのかを明らかにすることで，他の国内湖沼の今後の流域保全政策の立案に役立つと考えられる．