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Age frequency, growth, mortality, and PAH levels of roughtongue bass (Pronotogrammus martinicensis) following the Deepwater Horizon oil spill.

Biermann, L. and Szedlmayer, S.T., 2021. Age frequency, growth, mortality, and PAH levels of roughtongue bass (Pronotogrammus martinicensis) following the Deepwater Horizon oil spill. Marine Pollution Bulletin, 166 (May), 112214.

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DOI: 10.1016/j.marpolbul.2021.112214

Abstract

Age, growth, mortality, and polycyclic aromatic hydrocarbons (PAHs) in roughtongue bass (Pronotogrammus martinicensis) were examined in the northern Gulf of Mexico following the 2010 Deepwater Horizon oil spill. Fish (N = 1090) were collected from September 2014 to July 2015 from the Alabama Alps (54 km from the spill site) and Roughtongue Reef (111 km from the spill site). Sites were dominated by the 2010 year-class. Growth rates were significantly lower for fish from Alabama Alps compared to Roughtongue Reef (p < 0.001) and likely linked to proximity of the Mississippi River discharge. Mean total PAH ± SD was 50 ± 52.6 and ranged from 0 to 220 ppb. These PAH levels were below a 300-ppb minimum effect level and not significantly different between sites. The dominant 2010 year-class, low PAH levels, and similar growth rates to pre-spill measures indicated that the Deepwater Horizon oil spill had little effect on roughtongue bass.

Item Type:Article
ISSN:0025-326X
Uncontrolled Keywords:Mesophotic habitats ; Pinnacle reefs ; Polycyclic aromatic hydrocarbons ; von Bertalanffy growth ; Alabama ; Animals ; Bass ; Environmental Monitoring ; Gulf of Mexico ; Mississippi ; Petroleum Pollution ; Polycyclic Aromatic Hydrocarbons ; Water Pollutants, Chemical
Group:Faculty of Science & Technology
ID Code:35788
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:20 Jul 2021 09:54
Last Modified:15 Aug 2021 08:30

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