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Citations since 2016
7 Research Items
Offshore and nearshore sediment samples from Lake Huron, North America, were analysed for microplastics. Normalized abundances ranged from 59 to 335,714 particles per kg of dry weight sediment (p kg⁻¹ dw). Of the four main basins of Lake Huron, the North Channel contained the greatest microplastic abundances, averaging 47,398 p kg⁻¹ dw, followed by...
Although the study of microplastics in the aquatic environment incorporates a diversity of research fields, it is still in its infancy in many aspects while comparable topics have been studied in other disciplines for decades. In particular, extensive research in sedimentology can provide valuable insights to guide future microplastics research. To...
Investigations of microplastic abundances in freshwater environments have become more common in the past five years, but few studies concern the factors that control the distribution of microplastics in river systems. We sampled benthic sediment from 34 stations along the Thames River in Ontario, Canada, to determine the influence of land use, grai...
Industrial, pre-consumer pellets are a major type of plastics pollution found on shorelines worldwide. This study investigates the distribution and characteristics of plastic pellets accumulated on beaches of the Laurentian Great Lakes of North America and provides a “snapshot” of pellet distribution in a lake system that accounts for 21% of the wo...
This paper considers how an interdisciplinary approach to the “wicked problem” of plastics pollution offers unique and important collaborative possibilities. Specially, the paper considers the approach of the Synthetic Collective, a group comprising artists, humanities scholars, and scientists. Considering first how artists and scientists might res...
The ubiquity and distribution of microplastics, particularly microfibres, in outdoor and indoor environments makes it challenging when assessing and controlling background contamination, as atmospheric particles can be unintentionally introduced into a sample during laboratory analysis. As such, an intra-laboratory examination and literature review...
This research project will determine the distribution and abundance of synthetic plastic particles in benthic sediments of Lake Huron, from cores sampled in 1971, 2015, and 2017. The objectives are: (1) to determine if microplastics are present in lake sediments prior to 1971. This will provide a baseline to demonstrate changes in the rate of microplastic accumulation in this environment since that time; (2) to ascertain the quantity and distribution of microplastics in Lake Huron and Georgian Bay nearshore surface sediments (3cm), sampled in 2015 and 2017; and (3) to elucidate sedimentation fluxes of microplastics to Lake Huron over time by analyzing one sediment core, 15 cm in depth, from 2017; and finally (4) to identify microplastics by type (fiber, bead, fragment, film) and composition (PET, PVC) in order to identify possible sources of plastic pollution within Lake Huron. This will be accomplished using microscopy and FTIR analysis.
To determine the abundance, distribution and types of microplastics in Thames River bottom sediment in rural and urban areas. Abundances to be compared over a 10-year period. Results from year 1 have been published.