人と自然と外来種の調和ある共存

概要

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This paper focuses on the "Trachemya scripa" (Jpn: Akamini-game), a kind of tortoise that is an introduced species widely known as one whose existence is being threatened. It's future was discussed as the 10thConference of Parties on Biological Diversity (COP10) held in Nagoya in 2010. Here we suggest three ideas regarding this species and its relation with humans and nature: 1. How to improve old environmental measures, 2. How to ensure the best environmental protection in the future, and 3. How to raise the consciousness about it in society so that people do not disturb its existence. To do this, we first define the terminology used to understand this topic. Then we explain the importance of biodiversity, the relation between biodiversity and introduced species using Akamini-game as an example. As well we discuss how to understand various environmental problems by examining the measures set against such introduced species. Added to this, we describe COP10 and evaluate the results of the discussions and meetings held there. As a conclusion we offer predictions how our future society will change according to the results and we made four fictitious examples against the introduced species problems using a PDCA cycle analysis. Lastly we present the best solution for humans, nature and an introduced species to coexist harmoniously.