Direction of Measures against Ocean Plastic Debris Problem with a Look at Fishing Gear

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  • 漁具を含めた海洋プラスチック問題対策の方向性
  • ギョグ オ フクメタ カイヨウ プラスチック モンダイ タイサク ノ ホウコウセイ

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In order to tackle problems related to marine plastics debris, there are three particular aspects where attention needs to be focused: dynamic aspect, international aspect, and diversity of problems and measures. The author proposes that all plastic products be categorized into three categories : Type A) products which release micro-plastic during normal usage (long life and short life ; Type B ) products which end up as micro-plastic after littering or illegal dumping on land ; and Type C) products which are released directly into marine environments. In the waste management field, the release of micro-plastics from Type A products is as yet still not recognized as a major problem and it is therefore necessary to initiate comprehensive research with the aim of establishing effective measures for the control of waste flow.<br>　The author proposes that emphasis be placed on the following : 1) transfer of experience, technologies, and know-how for waste management systems to neighboring countries ; 2) salvaging of floating plastic debris ; and 3) measures against use of Type A products, prevention of micro-plastic generation from the use of Type A products, or collection of micro-plastics from Type A products. Lastly, the author stresses that because quantitative information on the use and generation of end-of-life fishing gear is very scarce, there is an urgent need to carry out detailed surveys on this issue as well.

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