期刊
MARINE POLLUTION BULLETIN
卷 130, 期 -, 页码 67-75出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2018.03.012
关键词
Microplastic; Geukensia demissa; Ingestion; Mussel bed; New Jersey
资金
- College of Science and Mathematics at Montclair State University
- Academic Affairs at Southern Connecticut State University
Human activities have generated large quantities of microplastics that can be consumed by filter-feeding organisms as potential food sources. As a result, organisms may experience marked reductions in growth and/or health. To date there has been no investigations connecting microplastics (MPs) with the critically important ribbed mussel Geukensia demissa. Here we examined MP abundances within a bed of G. demissa in New Jersey. Results indicate that MP densities ranged between 11,000-50,000 pieces/m(2) . The abundance of larger MPs (5 mm >= 1 mm) did not vary among sampling sites while the smaller MPs ( < 1 mm) abundances did vary between sampling sites. These smaller MPs also accounted for 79% of MPs recovered from these sites. Based on the higher abundance of smaller MPs, we also investigated MP ingestion/rejection in a laboratory setting. These results confirmed that ribbed mussels can ingest MPs with negative consequences for the buoyancy of plastics rejected in feces and pseudofeces.
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