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Liro, Maciej; Mikuś, Paweł; Wyżga, Bartłomiej, 2023, "Data from Liro et al., 2022. First insight into the macroplastic storage in a mountain river: The role of in-river vegetation cover, wood jams and channel morphology, STOTEN", https://doi.org/10.18150/XIMLWC, RepOD, V1
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We sampled macroplastic debris stored on the surface of emergent river areas with different vegetation cover and on wood jams in a channelized, single-thread reach and an unmanaged, multi-thread reach of the Dunajec River in the Polish Carpathians. Total amounts of macroplastic debris retained in these reaches were then estimated on the basis of mean mass of macroplastic deposited on unit area of each surface type and the area of this surface type in a given reach. Exposed river sediments and areas covered with herbaceous vegetation stored significantly lower amounts of macroplastic debris (0.6 and 0.9 g per 1 m2 on average) than wooded islands and wood jams (respectively 6 g and 113 g per 1 m2). The amounts of macroplastic debris stored on wood jams exceeded 19, 129 and 180 times those found on wooded islands, areas covered with herbaceous vegetation and exposed river sediments. Wooded islands and wood jams covering 16.7% and 1.5% of the multi-thread reach stored 43.8% and 41.1%, respectively, of the total amount of macroplastic stored in that reach, whereas these surface types were practically absent in the channelized reach. Consequently, the unmanaged, multi-thread reach, 2.4 times wider than the neighbouring channelized reach, stored 36 times greater amount of macroplastic per 1 km of river length. Our study demonstrated that the storage of macroplastic debris in a mountain river is controlled by channel management style and resultant river morphology, which modulate river hydrodynamics and a longitudinal pattern of the zones of transport and retention of macroplastic conveyed by river flow.
Plastic, Macroplastic, Rivers, Wood jam, Wooded island, Channel morphology
Maciej Liro, Paweł Mikuś, Bartłomiej Wyżga, First insight into the macroplastic storage in a mountain river: The role of in-river vegetation cover, wood jams and channel morphology, Science of The Total Environment, Volume 838, Part 3, 2022, 156354, https://www.sciencedirect.com/science/article/pii/S0048969722034519 doi: 10.1016/j.scitotenv.2022.156354
CC BY - Creative Commons Attribution 4.0
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