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Establishing nearshore marine injuries for the Deepwater Horizon natural resource damage assessment using AQUATOX

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  • Clough, Jonathan S.
  • Blancher, Eldon C.
  • Park, Richard A.
  • Milroy, Scott P.
  • Graham, W. Monty
  • Rakocinski, Chet F.
  • Hendon, J. Read
  • Wiggert, Jerry D.
  • Leaf, Robert

Abstract

The Oil Pollution Act of 1990 (OPA) requires that the responsible party make the public whole for natural resource injuries attributable to an oil spill incident. We have presented our approach at establishing natural resource baseline conditions for multiple habitats in Coastal Mississippi and Alabama. This paper presents the subsequent steps that were taken to estimate natural resource injuries for the Deepwater Horizon Oil release (DWH) using AQUATOX Release 3.1 NME (Nearshore Marine Environments). TPAH (Total polycyclic aromatic hydrocarbon) exposure matrices in water and sediment were estimated over a spatial gradient based on observed data in Mississippi and Alabama. Bioaccumulation parameters were derived from literature and reasonable bioaccumulation calibration was verified using site specific data when available. TPAH was segregated into six different analyte groups, binned by Kow, based on observed sediment data. Toxicity data from NOAA and literature were used to estimate effects of TPAH and individual analytes on species observed on site. Combining each of these analyses, total injuries could be estimated for Mississippi and Alabama ranging from 0.2% to 4.2% of secondary and tertiary productivity lost over three years, depending on the habitat investigated and its spatial location in the study area. The analysis demonstrates the effectiveness of the AQUATOX model as a tool to quantify levels of injury by comparing the results of a baseline ecological model, calibrated and verified with pre-oiling observations, with post-oiling results. This alternative approach to injury assessment can be used to validate single-species approaches and also to evaluate the injury to, and recovery of, an integrated ecosystem.

Suggested Citation

  • Clough, Jonathan S. & Blancher, Eldon C. & Park, Richard A. & Milroy, Scott P. & Graham, W. Monty & Rakocinski, Chet F. & Hendon, J. Read & Wiggert, Jerry D. & Leaf, Robert, 2017. "Establishing nearshore marine injuries for the Deepwater Horizon natural resource damage assessment using AQUATOX," Ecological Modelling, Elsevier, vol. 359(C), pages 258-268.
    • Handle: RePEc:eee:ecomod:v:359:y:2017:i:c:p:258-268
    DOI: 10.1016/j.ecolmodel.2017.05.028
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    1. Blancher, Eldon C. & Park, Richard A. & Clough, Jonathan S. & Milroy, Scott P. & Graham, W. Monty & Rakocinski, Chet F. & Hendon, J. Read & Wiggert, Jerry D. & Leaf, Robert, 2017. "Establishing nearshore marine secondary productivity baseline estimates for multiple habitats in coastal Mississippi and Alabama using AQUATOX 3.1 NME for use in the Deepwater Horizon natural resource," Ecological Modelling, Elsevier, vol. 359(C), pages 49-68.
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    Cited by:

    1. Kocmoud, Amanda R. & Wang, Hsiao-Hsuan & Grant, William E. & Gallaway, Benny J., 2019. "Population dynamics of the endangered Kemp’s ridley sea turtle following the 2010 oil spill in the Gulf of Mexico: Simulation of potential cause-effect relationships," Ecological Modelling, Elsevier, vol. 392(C), pages 159-178.
    2. Bai, Jing & Zhao, Jian & Zhang, Zhenyu & Tian, Ziqiang, 2022. "Assessment and a review of research on surface water quality modeling," Ecological Modelling, Elsevier, vol. 466(C).
    3. Yan, Jinxia & Liu, Jingling & You, Xiaoguang & Shi, Xuan & Zhang, Lulu, 2018. "Simulating the gross primary production and ecosystem respiration of estuarine ecosystem in North China with AQUATOX," Ecological Modelling, Elsevier, vol. 373(C), pages 1-12.
    4. Zeng, Yong & Yang, Wei & Zhao, Yanwei, 2022. "Ecological impact of polycyclic aromatic hydrocarbons on Baiyangdian Lake based on an ecosystem model," Ecological Modelling, Elsevier, vol. 472(C).

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