Benthic marine litter in the coastal zone of Bejaia (Algeria) as indicators of anthropogenic pollution

Mankou-Haddadi, Nadia; Bachir-bey, Mostapha; Galgani, François; Mokrane, Karar; Sidi, Hachemi

Benthic marine litter in the coastal zone of Bejaia (Algeria) as indicators of anthropogenic pollution

2021

Mankou-Haddadi, Nadia | Bachir-bey, Mostapha | Galgani, François | Mokrane, Karar | Sidi, Hachemi

We studied the abundance of seafloor litter in the bay of Bejaia, Algeria, in order to better understand its sources and distribution and provide scientists with the technical basis for further monitoring and reduction measures. Data were collected during trawl surveys dedicated to fishing activity, between 40 and 200m. After each trawl, litter items were manually sorted and analyzed. The highest concentration of 58,998 items/ha was recorded to the east of the bay. Overall, plastic was the dominant component of the litter with 88% of the total amount, in weight. Most of the waste was of terrestrial origin, with rivers and beaches being the main sources due to population density, highly developed tourism during the summer season, and inadequate waste management. Overall, the results provide relevant benchmarks for future monitoring and are discussed in terms of poor waste management, a critical issue in the region.

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