Macrofauna taxa data from Spartina alterniflora dominated intertidal salt marshes in Barataria Bay, Louisiana, 2011-2016

Macrofauna were sampled at various locations in Barataria Bay, Louisiana from 2011-2016 from salt marshes that were oiled at different intensities. Oiling categories were classified as reference (no visible oil), lightly, moderately or heavily oiled. Some samples were collected at sites (Short-term Sites) for about 2 years and other samples were collected at sites that were sampled for about 5 years after the spill (Long-term sites). Samples were collected about every 6 mo.