GRIIDC | Y1.x249.000:0004

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Hydrocarbon degraders abundances, seasonal monitoring in Alabama marine ecosystems, October and December 2010, April an July 2011.

Authors: Behzad Mortazavi

Published On: Jul 27 2014 20:48 UTC

DOI: https://doi.org/10.7266/N7VD6WDQ

UDI: Y1.x249.000:0004

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Project Information

Funded By:
Gulf of Mexico Research Initiative

Funding Cycle:
The Alabama Marine Environmental Science Consortium (MESC)

Research Group:
Determining the Degradation Rate Constants of the Hydrocarbons from the Macondo Well and Weathered Oil in Alabama Beaches and Marshes

Point of Contact

Behzad Mortazavi
The University of Alabama / Department of Biological Sciences
bmortazavi@ua.edu

Data Collection Period

2010-10-01

2011-07-31

Theme keywords

Biodegradation, Alkane degraders, Total petroleum hydrocarbon degraders, Total petroleum hydrocarbon

ISO 19115-2 Metadata

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Abstract:

Hydrocarbon-degrader microbial abundances of aerobic alkane, total hydrocarbon, and polycyclic aromatic hydrocarbon (PAH) degraders were enumerated seasonally. Surface sediment samples were collected in October and December of 2010 and in April and July of 2011 along 40-70-m transects from the high tide to the intertidal zone including Spartina alterniflora-vegetated marsh, seagrass (Ruppia maritima)-dominated sediments, and nonvegetated sediments. Alkane and total hydrocarbon degraders in the sediment were detected, while PAH degraders were below detection limit at all locations examined during the sampling periods.

Suggested Citation:

Behzad Mortazavi. 2014. Hydrocarbon degraders abundances, seasonal monitoring in Alabama marine ecosystems, October and December 2010, April an July 2011.. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N7VD6WDQ

Publications:

Horel, A., Mortazavi, B., & Sobecky, P. A. (2012). Seasonal Monitoring of Hydrocarbon Degraders in Alabama Marine Ecosystems Following the Deepwater Horizon Oil Spill. Water Air Soil Pollut, 223(6), 3145–3154. doi:10.1007/s11270-012-1097-5

Purpose:

Following the Deepwater Horizon explo-sion and crude oil contamination of a marsh ecosystem in AL in June 2010, hydrocarbon-degrader microbial abundances of aerobic alkane, total hydrocarbon, and polycyclic aromatic hydrocarbon (PAH) degraders were enumerated seasonally.

Data Parameters and Units:

Total hydrocarbon and alkane degraders (MPN/g sediment) Total petroleum hydrocarbons concentrations (mg/Kg sediment) Sediment type [Spartina alterniflora, Mud, Rupia maritima, Sand] Distance from tide line (meters) Sediment Sampling time (Month, YYYY) Temperature (Celsius), Salinity (ppt) Dissolved Oxygen DO (Saturation %) Dissolved Oxygen (mg/L) pH % Nitrogen Content (%) % Carbon Content (%) C:N Nutrient [NO3, NO2, NH4, PO4, TDIN, N:P] (mg N/kg sediment or mgP/kg sediment).

Methods:

As detailed in Horel, A., Mortazavi, B., & Sobecky, P. A. (2012). Seasonal monitoring of hydrocarbon degraders in alabama marine ecosystems following the deepwater horizon oil spill. Water, Air, Soil and Pollution, 223, 3145-3154.