碩士 / 國立東華大學 / 海洋生物研究所 / 107 / Many studies have indicated that marine creatures are at risk of plastic ingestion. In Taiwan, relevant studies are still lacking. In this study, we quantitatively analyze plastic debris ingestion of coral reef and pelagic fish in coastal Hengchun Peninsula, including Kenting National park, located in southern Taiwan. In the 117 fish specimens we examined, 94.87% of them had ingested marine debris, and all of the debris was microplastics (<5mm). The average number of ingested microplastics was 5.62±5.07 pieces per fish (ranged 0-32 pieces per fish). The major type of microplastics was fiber (96%) and the major color was blue (43%). The quantity of ingested microplastics was not significantly different among fish from different habitats (coral reef and open ocean). However, there was a significant difference in the quantity of ingested microplastics between locations in reef fish. Reef fish from the west and south coast ingested more microplastics than the others from the east coast. This possibly suggested that the quantity of microplastics is highly related with human activity. Besides, the sizes, families, and trophic levels of the fish were not significantly associated with the quantity of ingested microplastics. Our results show a high prevalence of microplastic ingestion but no biomagnification of microplastics in fish. This research is the first to study microplastic ingestion in marine fish of Taiwan. More research is much needed to better characterize the biological and ecological impacts of marine debris on fish.
| Identifer | oai:union.ndltd.org:TW/107NDHU5277019 |
| Date | January 2019 |
| Creators | Kuan-Ju Chen, 陳冠如 |
| Contributors | Te-Hao Chen, 陳德豪 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | en_US |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 50 |
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