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Effects of concentration and size of suspended particles on the ingestion, reproduction and mortality rates of the copepod, Acartia tonsa.
Mar Environ Res. 2018 Sep; 140:251-264.ME

Abstract

Suspended sediments are a common occurrence in the marine environment. They can be generated by natural causes, including waves and currents, or brought about by anthropogenic activities such as reclamation and dredging. High sediment concentrations are known to have negative consequences on copepods; however, the impact of sediment size has largely been overlooked. Here we examine the effects of sediment size and concentration in combination with varying algae concentrations on the ingestion rate, egg production, hatching success and survivorship of the copepod species, Acartia tonsa. High concentration of 'small' sediments at 'low' food availability had the greatest negative impact on all parameters except hatching success. Greater food concentration was able to mitigate some of these effects. High concentrations of 'large' sediments also reduced egg production rates, possibly due to A. tonsa avoiding falling particles. We conclude that it is important to examine the particle size distribution when evaluating the impacts of suspended sediments on copepods.

Authors+Show Affiliations

Experimental Marine Ecology Laboratory, Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Block S3 level 2, 117543, Singapore; DHI Water and Environment Pte Ltd, 2 Venture Drive, Vision Exchange, #18-18, 608526, Singapore.Institut de Ciències del Mar, CSIC. Passeig Marítim de la Barceloneta 37-49, 08003, Barcelona, Catalonia, Spain.DHI Water and Environment Pte Ltd, 2 Venture Drive, Vision Exchange, #18-18, 608526, Singapore; SGS Testing & Control Services Singapore Pte Ltd, 3 Toh Tuck Link #01-02/03, 596228, Singapore.Experimental Marine Ecology Laboratory, Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Block S3 level 2, 117543, Singapore. Electronic address: dbspat@nus.edu.sg.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30042061

Citation

Sew, Genevieve, et al. "Effects of Concentration and Size of Suspended Particles On the Ingestion, Reproduction and Mortality Rates of the Copepod, Acartia Tonsa." Marine Environmental Research, vol. 140, 2018, pp. 251-264.
Sew G, Calbet A, Drillet G, et al. Effects of concentration and size of suspended particles on the ingestion, reproduction and mortality rates of the copepod, Acartia tonsa. Mar Environ Res. 2018;140:251-264.
Sew, G., Calbet, A., Drillet, G., & Todd, P. A. (2018). Effects of concentration and size of suspended particles on the ingestion, reproduction and mortality rates of the copepod, Acartia tonsa. Marine Environmental Research, 140, 251-264. https://doi.org/10.1016/j.marenvres.2018.06.016
Sew G, et al. Effects of Concentration and Size of Suspended Particles On the Ingestion, Reproduction and Mortality Rates of the Copepod, Acartia Tonsa. Mar Environ Res. 2018;140:251-264. PubMed PMID: 30042061.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of concentration and size of suspended particles on the ingestion, reproduction and mortality rates of the copepod, Acartia tonsa. AU - Sew,Genevieve, AU - Calbet,Albert, AU - Drillet,Guillaume, AU - Todd,Peter A, Y1 - 2018/06/20/ PY - 2018/03/02/received PY - 2018/06/14/revised PY - 2018/06/19/accepted PY - 2018/7/26/pubmed PY - 2019/1/24/medline PY - 2018/7/26/entrez KW - Acartia tonsa KW - Copepod KW - SPM KW - Sediment size KW - Suspension feeding KW - Zooplankton SP - 251 EP - 264 JF - Marine environmental research JO - Mar. Environ. Res. VL - 140 N2 - Suspended sediments are a common occurrence in the marine environment. They can be generated by natural causes, including waves and currents, or brought about by anthropogenic activities such as reclamation and dredging. High sediment concentrations are known to have negative consequences on copepods; however, the impact of sediment size has largely been overlooked. Here we examine the effects of sediment size and concentration in combination with varying algae concentrations on the ingestion rate, egg production, hatching success and survivorship of the copepod species, Acartia tonsa. High concentration of 'small' sediments at 'low' food availability had the greatest negative impact on all parameters except hatching success. Greater food concentration was able to mitigate some of these effects. High concentrations of 'large' sediments also reduced egg production rates, possibly due to A. tonsa avoiding falling particles. We conclude that it is important to examine the particle size distribution when evaluating the impacts of suspended sediments on copepods. SN - 1879-0291 UR - https://www.unboundmedicine.com/medline/citation/30042061/Effects_of_concentration_and_size_of_suspended_particles_on_the_ingestion_reproduction_and_mortality_rates_of_the_copepod_Acartia_tonsa_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0141-1136(18)30176-4 DB - PRIME DP - Unbound Medicine ER -