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|Title:||Effect of suspended sediment on fertilization success in the scleractinian coral Pectinia lactuca||Authors:||Erftemeijer, P.L.A.
|Issue Date:||Jun-2012||Citation:||Erftemeijer, P.L.A., Hagedorn, M., Laterveer, M., Craggs, J., Guest, J.R. (2012-06). Effect of suspended sediment on fertilization success in the scleractinian coral Pectinia lactuca. Journal of the Marine Biological Association of the United Kingdom 92 (4) : 741-745. ScholarBank@NUS Repository. https://doi.org/10.1017/S0025315411000944||Abstract:||The effect of increased levels of suspended sediment on fertilization success in the scleractinian coral Pectinia lactuca was investigated in a laboratory experiment following a mass coral spawning event on reefs off Singapore. Egg-sperm bundles were collected from tank-spawned coral colonies collected from the field several days prior to the anticipated mass spawning. Eggs and sperm from each colony were separated and distributed systematically across replicated treatments (N = 9) with three concentrations of fine suspended sediment. Spawning and embryo development in Pectinia lactuca followed a pattern similar to other scleractinian coral species. There was a significant effect of increased suspended sediment concentration on fertilization success (P < 0.05). Both high- (169 mg l-1) and medium- (43 mg l -1) suspended sediment treatments decreased fertilization success compared to controls. These results imply that increased turbidity levels (whether chronic, such as in the waters around Singapore, or short-term, caused by a dredging operation) when coinciding with the coral spawning season may affect the reproductive success of corals and compromise coral recruitment and recovery of degraded reefs. Copyright © Marine Biological Association of the United Kingdom 2012.||Source Title:||Journal of the Marine Biological Association of the United Kingdom||URI:||http://scholarbank.nus.edu.sg/handle/10635/100536||ISSN:||00253154||DOI:||10.1017/S0025315411000944|
|Appears in Collections:||Staff Publications|
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