Experimental study on color and texture as cues for plastic debris ingestion by captive sea turtles
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Title
- Experimental study on color and texture as cues for plastic debris ingestion by captive sea turtles
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Author(s)
- Noh, Hee-Jin; Moon, Ye Lim; Shim, Won Joon; Cho, Eun Vit; Hong, Sang Hee
- KIOST Author(s)
- Noh, Hee-Jin(노희진); Moon, Ye Lim(문예림); Shim, Won Joon(심원준); Hong, Sang Hee(홍상희)
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Alternative Author(s)
- 노희진; 문예림; 심원준; 홍상희
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Publication Year
- 2024-03
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Abstract
- Sea turtles face considerable risks from ingesting marine debris. They are primarily visual feeders, so color may be important for identifying food suitability or enhancing prey detection. Here, we investigated the impacts of color and texture on foraging behavior in relation to plastic consumption. We experimentally assessed the influences of color and texture as attractors for sea turtles using edible jellyfish. The findings showed that the colors of objects significantly affected selective preferences, as evidenced by different behaviors by sea turtles in response to different colors. They exhibited diet-related selectivity toward colors similar to common aquarium food, and texture had a significant impact on complete ingestion. The results suggest that plastic resembling natural prey is more likely ingested. Also, sea turtles were attracted by the color yellow, suggesting that visually distinctive items can attract them. Our results provide fundamental knowledge, helping mitigate the effects of plastic pollution on wildlife. © 2024 Elsevier Ltd
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ISSN
- 0025-326X
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/45397
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DOI
- 10.1016/j.marpolbul.2024.116055
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Bibliographic Citation
- Marine Pollution Bulletin, v.200, 2024
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Publisher
- Elsevier Ltd
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Keywords
- Color; Foraging behavior; Plastic ingestion; Sea turtle; Texture
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Type
- Article
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Language
- English
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Document Type
- Article
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