A new species of Acartia (Copepoda, Calanoida) from the Yellow Sea

Soh, Ho Young; Suh, Hae‐Lip

doi:10.1093/plankt/22.2.321

Cited by 30 publications

(12 citation statements)

References 11 publications

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“…(A. hongi and A. omorii) were used for these experiments. A. hongi (Soh & Suh 2000) and A. omorii, which coexist in the coastal waters off western Korea, are similar and it is impossible to distinguish between the 2 species when they are in a viable state.…”

Section: Methodsmentioning

confidence: 99%

Feeding by protists and copepods on the heterotrophic dinoflagellates Pfiesteria piscicida, Stoeckeria algicida, and Luciella masanensis

Jeong¹,

Kim²,

Song³

et al. 2007

Mar. Ecol. Prog. Ser.

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-1 , respectively). S. jeokjo had significantly higher attack ratios (number of attempted captures relative to number of physical contacts between predator and prey) when fed on P. piscicida and S. algicida (18 to 25%) than on L. masanensis (5%). Similarly, successful capture (number of prey ingested relative to number of attempted captures) of P. piscicida and S. algicida (82 to 87%) was significantly higher than that of L. masanensis (2%). L. masanensis may have defensive behavior or chemical protection against predation. However, maximum ingestion rates of Acartia spp. fed on these dinoflagellate species were similar. In understanding the population dynamics and predatorprey interactions of these 3 closely related dinoflagellate species, it is important to distinguish between predation by protists and by copepods.

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Section: Methodsmentioning

confidence: 99%

Feeding by protists and copepods on the heterotrophic dinoflagellates Pfiesteria piscicida, Stoeckeria algicida, and Luciella masanensis

Jeong¹,

Kim²,

Song³

et al. 2007

Mar. Ecol. Prog. Ser.

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“…Acartia hongi (Soh & Suh 2000) and A. omorii, which co-occur in coastal waters off western Korea, are very similar and are impossible to distinguish from each other when they are alive. Therefore, we had to use a mixture of adult female Acartia spp.…”

Section: Methodsmentioning

confidence: 99%

Interactions among the toxic dinoflagellate Amphidinium carterae, the heterotrophic dinoflagellate Oxyrrhis marina, and the calanoid copepods Acartia spp.

Jeong¹,

Kang²,

Shim³

et al. 2001

Mar. Ecol. Prog. Ser.

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“…Species of the genus Acartia, which co-occur in coastal waters off western Korea, can be very similar and impossible to distinguish from each other when they are alive (e.g. Soh & Suh 2000). Therefore, we had to use a mixture of adult Acartia spp.…”

Section: Preparation Of Experimental Organismsmentioning

confidence: 99%

Feeding by heterotrophic protists and copepods on the photosynthetic dinoflagellate Azadinium cf. poporum from western Korean waters

Potvin¹,

Hwang²,

Yoo³

et al. 2013

Aquat. Microb. Ecol.

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We explored the interactions between the photosynthetic dinoflagellate Azadinium cf. poporum isolated from Korean waters and potential predators, including engulfment feeders, a pallium feeder, peduncle feeders, and filter feeders. We measured the growth and/or ingestion rates of Oxyrrhis marina, Strobilidium sp., and Acartia spp. on A. cf. poporum as a function of prey concentrations. We also calculated grazing coefficients by using field data on abundance of Strobilidium sp.-sized naked ciliates co-occurring with A. cf. poporum and laboratory data on ingestion rates obtained in this study. Most of the tested organisms were able to feed on A. cf. poporum, but only O. marina, Strobilidium sp., and Acartia spp. showed sustained growth and/or ingestion on A. cf. poporum. Thus, some heterotrophic dinoflagellates using engulfment and filter feeders, such as ciliates and copepods, are likely to be optimal predators, while peduncle-feeding heterotrophic dinoflagellates are unlikely to efficiently feed due to the handling of the theca. The predators had low ratios of maximum growth rate to maximum ingestion rate on A. cf. poporum, as well as low gross growth efficiencies. Therefore, A. cf. poporum appears to be a low-quality prey for the predators tested. Grazing coefficients ranged between 0.052 and 0.446 d −1 , suggesting that Strobilidium sp.-sized naked ciliates may sometimes have a high impact on A. cf. poporum populations, leading to the removal of up to 36% of the population in 1 d. However, the low quality of the prey and predator selectivity in a more complex microbial community may reduce this impact.

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A new species of Acartia (Copepoda, Calanoida) from the Yellow Sea

Cited by 30 publications

References 11 publications

Feeding by protists and copepods on the heterotrophic dinoflagellates Pfiesteria piscicida, Stoeckeria algicida, and Luciella masanensis

Feeding by protists and copepods on the heterotrophic dinoflagellates Pfiesteria piscicida, Stoeckeria algicida, and Luciella masanensis

Interactions among the toxic dinoflagellate Amphidinium carterae, the heterotrophic dinoflagellate Oxyrrhis marina, and the calanoid copepods Acartia spp.

Feeding by heterotrophic protists and copepods on the photosynthetic dinoflagellate Azadinium cf. poporum from western Korean waters

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