Journal
MARINE POLLUTION BULLETIN
Volume 167, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2021.112296
Keywords
Rafting; Alien; Non-indigenous; Vector; Anthropogenic; Bivalvia
Funding
- Universidad San Ignacio de Loyola
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The study found that most marine litter on Peruvian beaches comes from land-based sources, with the most abundant class being Bivalvia. There were no significant differences in the abundance and diversity of macroinvertebrates (at the class level) among different sampling sites or litter sources. The most frequently found items with fouled biota were polypropylene and low-density polyethylene items.
Marine litter, such as plastic bags, bottles, fabrics, or fishing gear, serve as a shelter for many marine organisms that are likely to colonize artificial substrata. Such assemblages can potentially turn marine litter into vectors of alien invasive species (AIS). Here, we report the abundance and diversity of macroinvertebrates inhabiting marine litter in Peruvian beaches. Results indicate that most of the fouled items found came from land-based sources (81.5%) and Bivalvia was the most abundant class (53.5%), mainly composed of the mussel Semimytilus algosus. No significant differences were found in the abundance and diversity of macroinvertebrates (class level) among sampling sites or sources of litter. Polypropylene and low-density polyethylene items were most frequently found with fouled biota. Although none of the identified species were non-native to the coast of Peru, we discuss marine litter as a potential source of AIS in this region.
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