Inhibition of coral photosynthesis by the antifouling herbicide Irgarol 1051

Owen, Richard; Knap, Anthony H.; Toaspern, Megan; Carbery, Kelly

doi:10.1016/s0025-326x(01)00303-4

Cited by 110 publications

(60 citation statements)

References 37 publications

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“…These results are supported by previous studies by Jones & Heyward (2003) and Owen et al (2002) which also showed that diuron inhibit the photosynthesis of corals by blocking the conversion of excitation energy into chemical energy (Jones, 2005).…”

Section: Effects Of Diuron On Calcification Ratesupporting

confidence: 90%

“…Eco-toxicological studies have shown that diuron induces significant impacts on corals (Jones, 2005), as shown by the reduction of 14 C incorporation in Madracis mirabilis (Owen et al, 2002), the reduction of ΔF/Fm' in Stylophora pistillata, Seriotopora hystrix and Acropora formosa (Jones, 2005), the loss of symbiotic algae in Montipora digitata and S. hystrix (Jones, 2004), and the detachment of soft tissue in Acropora tenuis juveniles (Watanabe et al, 2006). In addition, the herbicide has been associated with serious impacts on other marine ecosystems such as mangrove diebacks (Bell and Duke, 2005).…”

Section: Contamination Status and Potential Effects Of Diuron To Coramentioning

confidence: 99%

See 1 more Smart Citation

Distribution and Potential Effects of Novel Antifouling Herbicide Diuron on Coral Reefs

Sheikh¹,

Oomori²,

Fujimura³

et al. 2012

Herbicides - Environmental Impact Studies and Management Approaches

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Section: Effects Of Diuron On Calcification Ratesupporting

confidence: 90%

Section: Contamination Status and Potential Effects Of Diuron To Coramentioning

confidence: 99%

Distribution and Potential Effects of Novel Antifouling Herbicide Diuron on Coral Reefs

Sheikh¹,

Oomori²,

Fujimura³

et al. 2012

Herbicides - Environmental Impact Studies and Management Approaches

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“…Even though Irgarol 1051 is a relatively new compound, several papers have been published in the last years dealing with its ecotoxicological behavior toward non-target microorganisms. For example, in algal symbionts isolated from M. mirabilis, D. strigosa, and F. fragum 40-50% reduction of net 14 C incorporation has been demonstrated after their 6-h exposure to 10 mg L −1 of Irgarol 1051 [112]. Inhibition of the algal photosynthetic activity of several algal species including D. tertiolecta, Synechococcus sp.,…”

Section: Antifouling Biocidesmentioning

confidence: 99%

Effects on the Photosynthetic Activity of Algae after Exposure to Various Organic and Inorganic Pollutants: Review

Petsas¹,

Vagi²

2017

Chlorophyll

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Algal studies remain necessary for risk assessment and their utility in ecotoxicology is the evaluation of lethal and sub-lethal toxic effects of potential toxicants on inhabitants of several ecosystems. Effects on algal photosynthetic apparatus caused by various chemical species have been extensively studied. The present chapter summarizes the published data concerning the toxicity of various organic and inorganic pollutants such as oils, pesticides, antifoulants and metals on photosynthesis of aquatic primary producers. Biochemical mode of action resulting in the disruption of photosynthesis depends on the chemical's nature and the characteristics of the exposed microorganism. Observed differences in response and sensitivity by different species to the same toxicant were attributed to several algal characteristics including photosynthetic capacity, pigment type, cellular lipid and protein content, and cell size. Single species bioassays either for one chemical alone or in mixture have been well reported and tolerance of both marine and freshwater water-column phytoplaktonic species has been examined. Adequate published information on multispecies tests (communities) in laboratory and field studies exists. However, risk assessment on photosynthesis of microbenthic periphyton is inadequate, though it is essential especially for hydrophobic organic molecules. Further studies are required to evaluate the adverse effects of metabolites on aquatic microalgae.

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“…Nevertheless, these alternatives to TBT are also toxic and their contamination of the aquatic environment has been a topic of increasing importance in recent years 26 . Many studies have shown that the toxicity of booster biocides on non-target species are growth inhibitors for freshwater and marine autotrophs 34 , influencing key species, such as sea grass 35 , and even corals 36 . Therefore, there is increasing interest in the impact of these compounds on the aquatic ecosystems 37 .…”

Section: Present Situation Of Biocide Use In Aquaculturementioning

confidence: 99%