Marsh invertebrate (Littoraria irrorata and Uca spp.) density data from 21 stations in varying levels of oiling in Barataria Bay, Louisiana from 2018-05-10 to 2019-05-01

The dataset contains the density of 2 different marsh species (fiddler crab and periwinkle snail) from 21 stations spread throughout Barataria Bay, Louisiana from May 2018 through May 2019. These stations were exposed to varying levels (none, moderate, high) of oiling during the Deepwater Horizon Oil Spill. Similar data from different years can be found under GRIIDC Unique Dataset Identifiers (UDIs) R2.x211.000:0002 (2012-2014), R5.x282.000:0003 (2014-2016), and R5.x282.000:0012 (2017).