Microsoft Word – Document4 Ken Norberg March 2, 2021 212 Views Estimated relative distribution of microplastic abundance in large marine ecosystems, based on Lebreton et al. 2012. Photo courtesy of http://onesharedocean.org/ Estimated relative distribution of microplastic abundance in large marine ecosystems, based on Lebreton et al. 2012. Photo courtesy of http://onesharedocean.org/