Comparison of physical properties and fishing performance between biodegradable PLA and conventional PA trammel nets in grey mullet (Mugil cephalus) and red-lip mullet (Liza haematocheila) fishery
文献类型： 外文期刊
第一作者： Yu, Mengjie
作者： Yu, Mengjie;Tang, Yanli;Liu, Changdong;Dou, Yilin;Zhang, Liyou;Min, Minghua;Herrmann, Bent;Cerbule, Kristine;Herrmann, Bent;Cerbule, Kristine;Herrmann, Bent
作者机构：
关键词： Marine plastic pollution; Ghost fishing; ALDFG; Biodegradable materials; Trammel nets; Catch efficiency
期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.8； 五年影响因子：6.5 ）
ISSN： 0025-326X
年卷期： 2023 年 195 卷
页码：
收录情况： SCI
摘要： Marine plastic pollution and continuous capture of marine animals, so-called "ghost fishing", by abandoned, lost, or otherwise discarded fishing gear (ALDFG) are global concerns. This study investigated whether biodegradable polylactic acid (PLA) monofilaments can be used to replace conventionally used non-biodegradable polyamide (PA) in trammel net fishery for limiting ALDFG associated effects. It evaluated the physical properties of PLA and PA monofilaments and compared fishing performance of PLA and PA trammel nets in a commercial mullet fishery in the Yellow Sea, China. Although PA monofilament exhibited superior physical properties, no significant differences in catch efficiency between PA and PLA trammel nets were observed. Fish of both species were mainly captured by pocketing which can further explain observed similar catch efficiency. These initial results suggest a potential for applying biodegradable materials in trammel net fisheries. Therefore, further long-term testing is encouraged to investigate whether this promising performance is persistent over long-term.
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