Journal
WATER
Volume 13, Issue 16, Pages -Publisher
MDPI
DOI: 10.3390/w13162272
Keywords
fibers; fragments; abundance; vertical; copepods; correlation; size; color; Levantine; oligotrophic
Categories
Funding
- Ministry of Agriculture, Rural Development and Environment of Cyprus, Water Development Department [gammagamma 01/2018]
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This study investigated the spatial and temporal distribution of microplastics in the 0-50 m depth layer along the coasts of Cyprus, revealing that the Eastern Mediterranean is more polluted than the western basin. The abundance of fibers far exceeded that of fragments, with most microplastics being transparent fibers. A positive correlation was found between the abundance of microplastics and the total zooplankton.
The Mediterranean Sea has the highest accumulation of microplastics in the world. Although numerous studies about microplastic's abundance and distribution have been conducted, the majority sampled surface waters. Especially for the Eastern Mediterranean, there is no information concerning the deeper strata. This study fills this gap by studying the microplastic spatial and temporal distribution along the coasts of Cyprus, utilizing zooplankton samples collected from the entire 0-50 m depth layer. The average microplastics' abundance was 41.31 +/- 22.41 items/m(3) indicating that the Eastern Mediterranean seems to be much more polluted than the western basin. The fibers outnumbered the abundance of the fragments by a factor of ten. Most fibers were sized between 0.5 and 1.0 mm, and 81.24% were transparent. The average area of the fragments was <= 0.05 mm(2), and most of them were hard-rounded (53.38%). The microplastics to zooplankton ratio ranged between 0.021 and 0.241. A positive correlation was found between the abundance of microplastics and the total zooplankton, especially the copepods. Studies of microplastics in zooplankton samples taken from the water column are expected to provide better insights into the role of these pollutants in marine ecosystems.
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