Microplastic concentrations along the Adriatic shorelines (Mediterranean Sea) collected from 2015-05-05 to 2015-05-09 (NCEI Accession 0292615)
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title: Microplastic concentrations along the Adriatic shorelines (Mediterranean Sea) collected from 2015-05-05 to 2015-05-09 (NCEI Accession 0292615)
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abstract: This study estimated the concentration of microplastics (i.e. plastics measuring less than 5mm; reported in unit of pieces per kg of dry sediment) along five beaches in the Adriatic shorelines (Mediterranean Sea) during 2015-05-05 to 2015-05-09. At each site, sampling was performed by using quadrats placed along the last high tide mark. This dataset contains the results from all 10 sediment samples, in a spreadsheet format.
purpose: These microplastic concentration data were collected in order to determine their abundance along the Adriatic shorelines (Mediterranean Sea) during 2015-05-05 to 2015-05-09
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title: Munari, C., Scoponi, M., & Mistri, M. (2017). Plastic debris in the Mediterranean Sea: Types, occurrence and distribution along Adriatic shorelines. Waste Management, 67, 385–391. https://doi.org/10.1016/j.wasman.2017.05.020
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beginPosition: 2015-05-05
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description: Parameter or Variable: microplastic concentration (measured); Units: pieces per kg of dry sediment; Observation Category: in situ; Sampling Instrument: quadrat; Sampling and Analyzing Method: Beach surveys were conducted at 5 beaches in May 2015. At each beach there were two replicate sites separated by 200 m. Each site consisted of a 10 m stretch of linear shoreline. At each site, sampling was performed by using quadrats placed along the last high tide mark, as plastic is preferably accumulated in this zone. Three replicate samples were collected at each site by scraping the first 5 cm of sand from 50 x 50 cm quadrats. Replicates of the same site were separated by 5 m. All samples were obtained during calm conditions with low wave activity. Samples were placed in labelled bags and transferred to the laboratory, where all replicates were analyzed separately. In the laboratory, sediment samples were dried at 50 oC during 48 h. Each sediment sample was then divided into subsamples and the plastic debris were removed under a dissection microscope (Nikon SMZ45T, magnification 3.35-300x), counted and weighted to the nearest 0.0001 g.; Data Quality Method: Fourier-transform infrared spectroscopy (FT-IR) analysis of 20 plastic debris for each shape type was carried out with a CARY 600 FT-IR (Agilent Technologies) instrument. Measurements were carried out in attenuated total reflectance (ATR) configuration, with a Pike Miracle diamond cell. Tests were carried out at 25 oC in dry air. Particles were identified by comparing FT-IR absorbance spectra of the microplastics to those in a self-collected, polymer reference library..
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