Hydrocarbons in bivalve mollusks of Port Valdez, Alaska: Consequences of five years' permitted discharge

Petroleum hydrocarbons were investigated in Mytilus edulis and Macoma balthica at six intertidal sites in Port Valdez, Alaska after three to five years of oil terminal operation. Information about the concentrations of total hydrocarbons, unresolved complex mixture, normal alkanes, isoprenoids, olef...

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Veröffentlicht in:Estuarine, coastal and shelf science coastal and shelf science, 1986, Vol.23 (6), p.863-872
Hauptverfasser: Shaw, David G., Hogan, Thomas E., McIntosh, Douglas J.
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container_title Estuarine, coastal and shelf science
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creator Shaw, David G.
Hogan, Thomas E.
McIntosh, Douglas J.
description Petroleum hydrocarbons were investigated in Mytilus edulis and Macoma balthica at six intertidal sites in Port Valdez, Alaska after three to five years of oil terminal operation. Information about the concentrations of total hydrocarbons, unresolved complex mixture, normal alkanes, isoprenoids, olefins, hopanes and polycyclic aromatic hyrocarbons shows that petroleum accumulation in these bivalve mollusks is greatest at the Valdez municipal boat harbor and a crude oil terminal which has been permitted to discharge 170 kg oil day −1. Accumulation two- to ten-fold less were observed at 3 km from the terminal and boat harbor. The temporal trends in petroleum hydrocarbon concentrations in M. edulis and M. balthica reflect the effects of selective retention and depuration of different hydrocarbon classes as well as variation in hydrocarbon sources. It is not clear whether the petroleum concentrations in Port Valdez bivalves had reached steady state by 1982, the final sampling time reported here.
doi_str_mv 10.1016/0272-7714(86)90077-6
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subjects Alaska coast
animals
fjords
hydrocarbons
Macoma balthica
Marine
mussels
Mytilus edulis
petroleum
pollutant dispersal
title Hydrocarbons in bivalve mollusks of Port Valdez, Alaska: Consequences of five years' permitted discharge
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