We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Plastic Accumulation in the Mediterranean Sea
AI summary Read the abstract
Researchers measured floating plastic concentrations throughout the Mediterranean Sea and found densities comparable to the five major ocean garbage patches, with plastic present at 100% of sampling sites. The most common items were fragments of bags, wrapping, and fishing materials, with the highest concentrations in populated coastal areas. The study establishes the Mediterranean as a major global accumulation zone for plastic pollution, comparable to subtropical ocean gyres.
Concentrations of floating plastic were measured throughout the Mediterranean Sea to assess whether this basin can be regarded as a great accumulation region of plastic debris. We found that the average density of plastic (1 item per 4 m2), as well as its frequency of occurrence (100% of the sites sampled), are comparable to the accumulation zones described for the five subtropical ocean gyres. Plastic debris in the Mediterranean surface waters was dominated by millimeter-sized fragments, but showed a higher proportion of large plastic objects than that present in oceanic gyres, reflecting the closer connection with pollution sources. The accumulation of floating plastic in the Mediterranean Sea (between 1,000 and 3,000 tons) is likely related to the high human pressure together with the hydrodynamics of this semi-enclosed basin, with outflow mainly occurring through a deep water layer. Given the biological richness and concentration of economic activities in the Mediterranean Sea, the affects of plastic pollution on marine and human life are expected to be particularly frequent in this plastic accumulation region.
More Papers Like This
The Mediterranean Plastic Soup: synthetic polymers in Mediterranean surface waters
AI summary Read the abstract
Researchers collected surface water samples from across the Mediterranean Sea and identified the types and abundance of floating plastic polymers, finding that this semi-enclosed sea has accumulated substantial plastic debris.
Floating plastic debris in the Central and Western Mediterranean Sea
AI summary Read the abstract
Researchers collected 71 floating plastic debris samples across Central and Western Mediterranean waters during two voyages in 2011 and 2013, estimating a total of approximately 1,455 tonnes of floating plastic in the region with microplastics present in all samples and average concentrations of 147,500 items per km2.
Floating microplastics along the western Mediterranean Sea: Are we reaching a “Good Environmental Status” or drifting away?
AI summary Read the abstract
This study measured floating microplastic concentrations along transects in the western Mediterranean Sea, asking whether the sea has reached a saturation threshold — a "garbage patch" equivalent. Results showed persistent high concentrations near shipping lanes and coastal zones but no evidence of a stable convergence zone.
An integrative assessment of the plastic debris load in the Mediterranean Sea
AI summary Read the abstract
Researchers analyzed over 75,000 plastic pieces collected across the Mediterranean Sea during the Tara expedition, estimating roughly 650 billion plastic particles float on its surface, with the highest concentrations near northwestern coastal regions, and found that most plastics are in an advanced state of fragmentation from repeated stranding and resuspension.
An evaluation of surface micro- and mesoplastic pollution in pelagic ecosystems of the Western Mediterranean Sea
AI summary Read the abstract
Researchers found that micro- and mesoplastic debris were widely and uniformly distributed across the Western Mediterranean Sea, with average surface concentrations of approximately 130,000 microplastic particles per km2 and 5,700 mesoplastic particles per km2. Fragment morphology and polymer composition analysis indicated a predominantly land-based origin for the debris.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.