Abstract:

This dataset contains data concerning the survey of marsh periwinkles (Littoraria irrorata) and various species of marsh fiddler crabs (Uca spp.). These data were collected seasonally Fall 2012 through Fall 2014, with 7 total sampling events represented in the dataset.

Suggested Citation:

Don Deis., Stefan Bourgoin. 2017. Abundance and shell length of marsh periwinkle and burrow diameter of marsh fiddler crabs with Reference, Moderate, and Heavy DWH Oiling, Barataria Bay, 2012-2014. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N7FF3Q9S

Publications:

Zengel, S., Pennings, S. C., Silliman, B., Montague, C., Weaver, J., Deis, D. R., … Nixon, Z. (2016). Deepwater Horizon Oil Spill Impacts on Salt Marsh Fiddler Crabs (Uca spp.). Estuaries and Coasts. doi:10.1007/s12237-016-0072-6

Zengel, S., Weaver, J., Pennings, S., Silliman, B., Deis, D., Montague, C., … Zimmerman, A. (2016). Five years of Deepwater Horizon oil spill effects on marsh periwinkles Littoraria irrorata. Marine Ecology Progress Series, View, 1–10. doi:10.3354/meps11827

Pennings, S. C., Zengel, S., Oehrig, J., Alber, M., Bishop, T. D., Deis, D. R., … Walters, K. (2016). Marine ecoregion and Deepwater Horizon oil spill affect recruitment and population structure of a salt marsh snail. Ecosphere, 7(12), e01588. doi:10.1002/ecs2.1588

Deis, D. R., Fleeger, J. W., Bourgoin, S. M., Mendelssohn, I. A., Lin, Q., & Hou, A. (2017). Shoreline oiling effects and recovery of salt marsh macroinvertebrates from the Deepwater Horizon Oil Spill. PeerJ, 5, e3680. doi:10.7717/peerj.3680

Deis, D. R., Fleeger, J. W., Johnson, D. S., Mendelssohn, I. A., Lin, Q., Graham, S. A., … Hou, A. (2020). Recovery of the salt marsh periwinkle (Littoraria irrorata) 9 years after the Deepwater Horizon oil spill: Size matters. Marine Pollution Bulletin, 160, 111581. doi:10.1016/j.marpolbul.2020.111581

Purpose:

To monitor marsh recovery through keystone species over time following the BP oil spill.

Data Parameters and Units:

Littoraria irrorata abundance and shell length; Uca spp. burrow diameter. Master Dataset for GRIIDC.xlsx-- * Master Densities [November 2012, April 2013, June 2013, September 2013, December 2013, April 2014 Combined]: Date (MM/DD/YYYY), Time (HH:MM), Site_ID (HV-#, MD-#, R-#), Latitude (decimal degrees), Longitude (decimal degrees), Salinity (psu), Oil/Treatment Class (Heavy Oil, Moderate Oil, Reference), Littoraria Total (count per 0.25*meters^2), Littoraria Total (count per meters^2), Uca Total Burrows (count per 0.25*meters^2), Uca Total Burrows (count per meters^2), Uca Species Type in area (longisignalis, - , spinicarpa/longisignalis), Uca Total Individuals (count). * Densities for ANOVA: OIL/TREATMENT CLASS and ANOVA SIZE CLASS GROUPS. COUNTS OIL/TREATMENT CLASS. Uca Total Burrows (count per meters^2) for [Heavy Total, Moderate Total, Reference Total]. COUNTS ANOVA SIZE CLASS. Site_ID (HV-#, MD-#, R-#) for [Littoraria Juvenile J (count per meters^2), Littoraria SubAdult SA (count per meters^2), Littoraria Adult A (count per meters^2)]. COUNTS OIL/TREATMENT AND ANOVA SIZE CLASS. [Juvenile Reference, Juvenile Moderate Oil, Juvenile Heavy Oil, SubAdult Reference, SubAdult Moderate Oil, SubAdult Heavy Oil, Adult Reference, Adult Moderate Oil, Adult Heavy Oil]. SUMMARY. Count, Sum, Average, Variance verses GROUPS. ANVOA. SS, df, MS, F, P-value, F critical verses [Between GROUPS, Within GROUPS]. * Density Graphs [November 2012, April 2013, June 2013, Density Graphs September 2013, December 2013, April 2014, Combined]: Mean, Standard Deviation verses [Heavy Oil, Moderate Oil, Reference] for [Fiddler Crab Uca spp Burrows (count per meters^2), All Marsh Periwinkle littoraria irrorata (count per meters^2), Juvenile Marsh Periwinkle littoraria irrorata (count per meters^2), SubAdult Marsh Periwinkle littoraria irrorata (count per meters^2), Adult Marsh Periwinkle littoraria irrorata (count per meters^2)]. * Snail Density Graphs [Combined N and A] for [All Marsh Periwinkle Littoraria irrorata (count per meters^2), Juvenile Marsh Periwinkle littoraria irrorata (count per meters^2), SubAdult Marsh Periwinkle Littoraria irrorata (count per meters^2), Adult Marsh Periwinkle Littoraria irrorata (count per meters^2)]. * Snail Density [November 2012, April 2013, June 2013, September 2013, December 2013, April 2014, October 2014]: * Snail Shell Length [November 2012, April 2013, June 2013, September 2013, December 2013, April 2014, October 2014, Combined]: * Shell Length Graphs: Size Distribution Histogram [0-5, 6-10, 11-15, 16-20, 21-25, 26-30 millimeters] for [Site ID], [Reference, Moderate Oil, Heavy Oil]. * Crab Burrow Density [November 2012, April 2013, June 2013, December 2013, April 2014, October 2014]: Site_ID (HV-#, MD-#, R-#), Oil/Treatment Class (Heavy Oil, Moderate Oil, Reference), Uca Burrows Monthly Total (count per 0.25*meters^2), Uca Burrows Monthly Total (count per meters^2) * Crab Burrow Diameter [November 2012, April 2013, June 2013, December 2013]: Size Distribution Histogram [0-5, 6-10, 11-15, 16-20, 21-25, 26-30 millimeters] for [Site ID], [Reference, Moderate Oil, Heavy Oil]. * ENV DATA [November 2012, April 2013, September 2013, December 2013, April 2014, Combined]: S. alterniflora live aboveground biomass g/m^2, Juncus aboveground biomass g/m^2, TPH mg/g

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