Input of plastic debris in an urban tropical river system

Bauer-Civiello, Anne, Critchell, Kay, Hoogenboom, Mia, and Hamann, Mark (2019) Input of plastic debris in an urban tropical river system. Marine Pollution Bulletin, 144. pp. 235-242.

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Abstract

Land-based sources contribute approximately 80% of anthropogenic debris in marine environments. A main pathway is believed to be rivers and storm-water systems, yet this input is rarely quantified. We aimed to quantify the abundance of land-based debris entering a river system through storm drains in an urban area of tropical Australia. To account for seasonal variability, debris was quantified pre, post and during the wet season from 2014 to 2017. Plastic items within the river were compared to those in adjacent parks to assess similarities in debris composition. A total of 27,943 items were collected (92% plastic). Debris loads in the post-wet seasons were significantly higher than the wet-season. Furthermore, variability in the portion of debris found in nearby parks compared to the river suggests that factors other than rainfall, play a role in debris abundance. These results can be used to identify targeted management strategies to reduce debris loads.

Item ID: 60062
Item Type: Article (Research - C1)
ISSN: 1879-3363
Keywords: Litter, River, Storm drains, Rainfall, Run-off, Pollution
Copyright Information: © 2019 Elsevier Ltd. All rights reserved
Date Deposited: 24 Jul 2019 07:52
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060204 Freshwater Ecology @ 100%
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