2023 年 60 巻 1 号 p. 21-25
The global environment has changed dramatically in the last ten years. Southern fishes were moving north due to the rise in seawater temperature associated with global warming. Changes are occurring in all marine life, not just fish, but also crustaceans and cephalopods. Apart from the problem of global warming, marine debris is harming marine life. 2020, the coronavirus (COVID-19) has spread, and the number of anglers at outdoor sea fishing parks has increased rapidly. As a result, it accelerated the increase of new marine debris. Unlike divers who follow rules and manners, only the fishing leisure industry, which does not take measures, enjoys its benefits.
I have been a diver for 40 years and am in a position to fish. There is a problem in the social structure that gives priority to the short-term economic activities of human beings by directly feeling the habitat changes of fish species. These human activities may be causing environmental changes. I’m not an environmental expert. However, I want to pass on the rich nature of the sea to the children who will live in the future, so I am doing what I can as an individual. It is the use of small underwater drones that are cheap and small enough to be carried by individuals. In order to visualize the sea fishing park and let many people know the current state of the sea, we are using SNS and spreading it under the name of “Negakari Project”. Furthermore, as a countermeasure, we have created a “guide map for obstacles that catch fishing lines.” I would like to expand this activity nationwide.