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Sökning: WFRF:(Cowger Win)

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1.
  • Eriksen, Marcus, et al. (författare)
  • A growing plastic smog, now estimated to be over 170 trillion plastic particles afloat in the world's oceans-Urgent solutions required
  • 2023
  • Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 18:3
  • Tidskriftsartikel (refereegranskat)abstract
    • As global awareness, science, and policy interventions for plastic escalate, institutions around the world are seeking preventative strategies. Central to this is the need for precise global time series of plastic pollution with which we can assess whether implemented policies are effective, but at present we lack these data. To address this need, we used previously published and new data on floating ocean plastics (n = 11,777 stations) to create a global time-series that estimates the average counts and mass of small plastics in the ocean surface layer from 1979 to 2019. Today’s global abundance is estimated at approximately 82–358 trillion plastic particles weighing 1.1–4.9 million tonnes. We observed no clear detectable trend until 1990, a fluctuating but stagnant trend from then until 2005, and a rapid increase until the present. This observed acceleration of plastic densities in the world’s oceans, also reported for beaches around the globe, demands urgent international policy interventions.
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2.
  • Waldschläger, Kryss, et al. (författare)
  • Microplastics: What Can We Learn from Clastic Sediments?
  • 2023
  • Ingår i: Springer Water. - : Springer Nature. - 2364-6934 .- 2364-8198. ; , s. 105-116
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • Microplastics research has gained momentum in the 21st century but lags behind the long-standing research on clastic sediment.An interdisciplinary review paper was conducted, comparing microplastics with natural sediments in terms of particle properties, transport processes, sampling techniques, and ecotoxicology. The paper identifies seven research goals to enhance our understanding of microplastics in freshwater environments while learning from sediment research. This extended abstract presents the core message of the review paper, emphasizing the need to improve descriptions of microplastic particles, understand their transport processes, develop standardized sampling methods, and study their ecotoxicological effects. The research goals outline specific tasks to achieve these objectives and emphasize the importance of comparing microplastics to sediments to gain insights into their toxicity. Addressing these research goals will contribute to a comprehensive understanding of microplastics and their impact on freshwater ecosystems. For detailed insights, the original paper should be consulted.
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