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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.12864
|2 doi
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|a pubmed24n0986.xml
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|a (NLM)30989658
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Kim, So Jin
|e verfasserin
|4 aut
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|a Differential feeding by common heterotrophic protists on four Scrippsiella species of similar size
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.05.2020
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|a Date Revised 07.05.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 Phycological Society of America.
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|a The dinoflagellate genus Scrippsiella is known to cause red tides. Mortality due to predation should be assessed in order to understand the population dynamics of Scrippsiella species. However, predation has been explored only in a few species. In this study, we examined feeding by common heterotrophic dinoflagellates Oxyrrhis marina, Gyrodinium dominans, Polykrikos kofoidii, Oblea rotunda, and Pfiesteria piscicida, and a ciliate Strombidinopsis sp., on four Scrippsiella species, of similar size, namely Scrippsiella acuminata, Scrippsiella donghaiensis, Scrippsiella lachrymosa, and Scrippsiella masanensis. All the heterotrophic protists tested could feed on all the four Scrippsiella species. However, the numerical and functional responses of P. kofoidii to the mean prey concentration were apparently different between the Scrippsiella species. With increasing prey concentration, the growth and ingestion rates of P. kofoidii on S. lachrymosa increased rapidly, and then saturated similar to those on S. acuminata, as previously reported, but those on S. donghaiensis continuously decreased. The cells of S. donghaiensis lysed P. kofoidii cells. In contrast, the growth and ingestion rates of P. kofoidii on S. masanensis were not significantly related to the prey concentration. At similarly high mean prey concentration, the growth and ingestion rates of G. dominans were significantly different between the four Scrippsiella species Therefore, differences in the growth and/or ingestion rates of G. dominans and P. kofoidii on the four Scrippsiella species might result in different ecological niches of both the predator and prey species
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a feeding
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|a growth
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|a harmful algal bloom
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|a ingestion
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|a predator
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|a red tide
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|a Jeong, Hae Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Hee Chang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a You, Ji Hyun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ok, Jin Hee
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 55(2019), 4 vom: 15. Aug., Seite 868-881
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnns
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| 773 |
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|g volume:55
|g year:2019
|g number:4
|g day:15
|g month:08
|g pages:868-881
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|u http://dx.doi.org/10.1111/jpy.12864
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