Marsh Invertebrate (Littoraria irrorata and Uca spp.) Density Data from 21 Sites with Varying Levels of Oil, 2017

Data from 21 sampling stations within the Barataria Bay region of Louisiana. The data record the densities and abundance of two marsh invertebrate species (Uca spp. and Littoraria irrorata) across varying levels of oiling impact due to the Deepwater Horizon Oil Spill. These data were collected from May to October, 2017. Similar data for 2012-2014 are located in GRIIDC dataset R2.x211.000:0002 and data from 2014-2016 are located in GRIIDC dataset R5.x282.000:0003.