Oil spill in Hong Kong

Spooner, Molly F.

doi:10.1016/0025-326x(77)90250-8

Cited by 13 publications

(2 citation statements)

References 2 publications

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“…Some studies found that zooplankton communities seem to reestablish after several weeks/months after an oil spill, indicating a high capacity for recovery [161 163]. However, marine hydrodynamics and the high natural variability and patchiness in zooplankton abundance may mask the real impacts of oil on zooplankton communities [164]. In open waters, new planktonic communities from unaffected oil areas may be transported to the affected area by the mixing of water masses.…”

Section: Discussionmentioning

confidence: 99%

Interactions between Zooplankton and Crude Oil: Toxic Effects and Bioaccumulation of Polycyclic Aromatic Hydrocarbons

Almeda¹,

et al. 2013

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We conducted ship-, shore- and laboratory-based crude oil exposure experiments to investigate (1) the effects of crude oil (Louisiana light sweet oil) on survival and bioaccumulation of polycyclic aromatic hydrocarbons (PAHs) in mesozooplankton communities, (2) the lethal effects of dispersant (Corexit 9500A) and dispersant-treated oil on mesozooplankton, (3) the influence of UVB radiation/sunlight exposure on the toxicity of dispersed crude oil to mesozooplankton, and (4) the role of marine protozoans on the sublethal effects of crude oil and in the bioaccumulation of PAHs in the copepod Acartia tonsa. Mortality of mesozooplankton increased with increasing oil concentration following a sigmoid model with a median lethal concentration of 32.4 µl L−1 in 16 h. At the ratio of dispersant to oil commonly used in the treatment of oil spills (i.e. 1∶20), dispersant (0.25 µl L−1) and dispersant- treated oil were 2.3 and 3.4 times more toxic, respectively, than crude oil alone (5 µl L−1) to mesozooplankton. UVB radiation increased the lethal effects of dispersed crude oil in mesozooplankton communities by 35%. We observed selective bioaccumulation of five PAHs, fluoranthene, phenanthrene, pyrene, chrysene and benzo[b]fluoranthene in both mesozooplankton communities and in the copepod A. tonsa. The presence of the protozoan Oxyrrhis marina reduced sublethal effects of oil on A. tonsa and was related to lower accumulations of PAHs in tissues and fecal pellets, suggesting that protozoa may be important in mitigating the harmful effects of crude oil exposure in copepods and the transfer of PAHs to higher trophic levels. Overall, our results indicate that the negative impact of oil spills on mesozooplankton may be increased by the use of chemical dispersant and UV radiation, but attenuated by crude oil-microbial food webs interactions, and that both mesozooplankton and protozoans may play an important role in fate of PAHs in marine environments.

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Section: Discussionmentioning

confidence: 99%

Interactions between Zooplankton and Crude Oil: Toxic Effects and Bioaccumulation of Polycyclic Aromatic Hydrocarbons

Almeda¹,

et al. 2013

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“…From a biological point of view, after the exemple of a catastrophic spill near Hong-Kong (Spooner, 1977), the worst was to be feared for the benthic fauna. In a previous paper (Bodin, 1988) I showed quantitative and qualitative impact of the 'Amoco Cadiz' oil spill on the Breton meiofauna.…”

Section: Introductionmentioning

confidence: 99%

Perturbations in the reproduction cycle of some harpacticoid copepod species further to the Amoco Cadiz oil spill

Bodin

1991

Hydrobiologia

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The reproductive activity of eight harpacticoid copepod species (Canuella perplexa, Harpacticusflexus, Robertsonia celtica, Amphiascoides debilis, Amphiascoides debilis limicolus, Kliopsyllus constrictus, Paraleptastacus espinulatus and Asellopsis intermedia) was observed from 1978 to 1984 on three sandy beaches of Brittany (France) polluted by the 'Amoco Cadiz' oil spill. Species density, mean percentages of ovigerous females and of juveniles from the period of maximum pollution were compared to those of one or two years characteristic of the post-recovery period.During the year of maximum pollution (1979) the spring peak of density came often later than normal and was generally lower. The main effect of the pollution was on the reproduction cycles of the species. There was often a delay of one month or more in the appearance and peaks of both ovigerous females and juveniles. Moreover, the latter were often missing during strategic months of the usual reproduction period. The recovery generally occurred in 1980 or 1981.

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The effects of diesel oil and oil dispersants on growth, photosynthesis, and respiration ofChlorella salina

Chan

Chiu

1985

Arch. Environ. Contam. Toxicol.

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Oil spill in Hong Kong

Cited by 13 publications

References 2 publications

Interactions between Zooplankton and Crude Oil: Toxic Effects and Bioaccumulation of Polycyclic Aromatic Hydrocarbons

Interactions between Zooplankton and Crude Oil: Toxic Effects and Bioaccumulation of Polycyclic Aromatic Hydrocarbons

Perturbations in the reproduction cycle of some harpacticoid copepod species further to the Amoco Cadiz oil spill

The effects of diesel oil and oil dispersants on growth, photosynthesis, and respiration ofChlorella salina

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