Ideal width of transects for monitoring source-related categories of plastics on beaches.

Ideal width of transects for monitoring source-related categories of plastics on beaches. Research Abstract Details 

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Ideal width of transects for monitoring source-related categories of plastics on beaches. Abstract Text:

Maria Christina B ,Paulo J P Santos,Monica F Costa,

Although there is a consensus on the necessity of monitoring solid wastes pollution on beaches, the methods applied vary widely. Therefore, creating, testing and recommending a method that not only allows comparisons of places and periods, but also the detection of source signals, will be important to reach the objectives of the source-prevention principle. This will also allow the optimisation of time, resources, and processing of samples and data. A classification of the items found into specific categories was made according to their most probable source/use (fisheries, food packaging, hazardous, sewage/personal hygiene, beach user, general home). This study tested different widths of sampling transects to be used in the detection of plastics contamination on beaches, until all the categories were significantly represented. Each transect had its total width (50m) sub-divided into eight intervals of 0-2.5m; 2.5-5m; 5-10m; 10-15m; 15-20m; 20-30m; 30-40m; and 40-50m. The accumulated number of categories in the 50m (up to 2.5m; up to 5m and so on) was used to determine the minimal width necessary to qualitatively characterize the area regarding plastics contamination. The diversity of the categories was directly related to the area of the sampling transect. These results indicate that a significant increase in the number of categories in the first intervals tend to stabilize from 15-20m onwards.

Ideal width of transects for monitoring source-related categories of plastics on beaches. Publishing Authors By Initials

MC ,PJ Santos,MF Costa,

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Ideal width of transects for monitoring source-related categories of plastics on beaches. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Marine pollution bulletin

VOLUME: 52

Page Numbers: 957-61

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ISSN: 0025-326X

DAY: 25

MONTH: 04

YEAR: 2006

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LANGUAGE: eng

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AFFILIATION: Laboratory of Ecology and Management of Estuarine and Coastal Ecosystems, Federal University of Pernambuco, Oceanography Department, Av. Arquitetura s/n Recife, Pernambuco CEP: 50740-550, Brazil. mcbaraujo@yahoo.com.br

Country: England

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MEDLINETA: Mar Pollut Bull

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