Replication Data for: Surface Water Microplastics, Saint John Harbour, New Brunswick (CC BY 4.0)

In November 2018, ACAP Saint John in New Brunswick conducted sampling and subsequent analysis for surface water microplastics across five trawl sites (two in the inner Saint John Harbour and three in the outer harbour). A Low-Tech Aquatic Debris Instrument (LADI) was used to collect samples as per the protocol developed by Civic Laboratory for Environmental Action Research (CLEAR) at Memorial University of Newfoundland (Coyle et al., 2016). Microplastics research in the Saint John Harbour has only recently been initiated; this data will support new understanding of this previously unstudied contaminant and support informed management of the harbour. Environment and Climate Change Canada’s Atlantic Ecosystems Initiatives program provided funding to support this work; COINAtlantic (coinatlantic.ca) collaborated with research partners to make data publicly available under the FAIR data guiding principles.