Marine Debris and Human Impacts on Sea Turtles in Southern Brazil
Abstract
Dead stranded sea turtles were recovered and examined to determine the impact of anthropogenic debris and fishery activities on sea turtles on the coast of Rio Grande do Sul State, Brazil. Esophagus/stomach contents of 38 juvenile green Chelonia mydas, 10 adults and sub-adults loggerhead Caretta caretta, and two leatherback Dermochelys coriacea turtles (adult or sub-adult) included plastic bags as the main debris ingested, predominated by white and colorless pieces. The ingestion of anthropogenic debris accounted for the death of 13.2% of the green turtles examined. Signs of damage over the body and carapace indicated that fishing activities caused the death of 13.6% (3/22) of loggerheads and 1.5% (1/56) of green turtles. Therefore, it appears that direct and indirect effects of fishing activities may pose a threat to these species in Brazilian waters. Other sources of plastic debris should be investigated as well as the direct impact of fisheries, especially bottom trawl and gill nets, in order to establish effective conservation action.
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Previous research by Bugoni et al. (2001) found that out of 50 stranded dead sea turtles, plastic carrier bags were the main debris ingested.
“previous research by Bugoni et al. (2001), found that out of 50 stranded dead sea turtles, plastic carrier bags were the main debris ingested.”
From Environmental Deterioration of Biodegradable, Oxo-biodegradable, Compostable, and Conventional Plastic Carrier Bags in the Sea, Soil, and Open-Air Over a 3-Year Period (2019) · cites this paper as Bugoni et al. (2001)
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- Authors
- Bugoni, L., Krause, L., & Virgı́nia Petry, M.
- Affiliations
- Universidade Federal do Rio Grande do Sul (BR)
- Corresponding author
- Bugoni, Leandro
- ORCID
- Bugoni, Leandro
- Venue
- Marine Pollution Bulletin
- Publisher
- Elsevier BV
- Published
- 2001-12
- Volume
- 42
- Issue
- 12
- Pages
- 1330-1334
- ISSN
- 0025-326X (ISSN-L)
- OpenAlex
- W2149345253
- Cited by
- 410
- References
- 0
- Citations by year
- 2026: 9 · 2025: 13 · 2024: 19 · 2023: 14 · 2022: 27 · 2021: 35 · 2020: 29 · 2019: 27 · 2018: 26 · 2017: 25 · 2016: 22 · 2015: 26 · 2014: 20 · 2013: 24 · 2012: 19
- FWCI
- 1.92
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Marine Pollution Bulletin (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Turtle Biology and Conservation
- Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
- Physical Sciences › Environmental Science › Ecology › Marine animal studies overview
- Keywords
- marine litter, sea turtles, plastic ingestion, Chelonia mydas, Caretta caretta, Dermochelys coriacea, entanglement, fishing gear bycatch, bottom trawl, gillnets, stranded turtles, Rio Grande do Sul, turtle conservation
- MeSH terms
- Animals, Brazil, Cause of Death, Conservation of Natural Resources, Fisheries, Humans, Plastics, Turtles, Water Pollutants
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