{"refrec":{"BRefID":75271,"RR":"<b>Fileman, E.S.; Leakey, R.J.G.</b> (2005). Microzooplankton dynamics during the development of the spring bloom in the north-east Atlantic. <i>J. Mar. Biol. Ass. U.K. 85(4)</i>: 741-753. <a href=\"https://dx.doi.org/10.1017/S0025315405011653\" target=\"_blank\">https://dx.doi.org/10.1017/S0025315405011653</a>","BEntID":70953,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Mar. Biol. Ass. U.K. 85(4)</i>: 741-753. <a href=\"https://dx.doi.org/10.1017/S0025315405011653\" target=\"_blank\">https://dx.doi.org/10.1017/S0025315405011653</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fileman, E.S.; Leakey, R.J.G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fileman, E.S.; Leakey, R.J.G.","Englishabstract":"Microzooplankton community composition, abundance, biomass and grazing impact were assessed, along with measurements of ciliate growth and mortality, during the onset of the spring bloom in the north-east Atlantic. The study was undertaken as part of the UK Biogeochemical Ocean Flux Study during 1 May to 15 June 1990. The microzooplankton community was composed of protozoans and metazoan developmental stages with respective mixed-layer depth integrated biomass values ranging from 127 to 638 and 74 to 394 mg C m<sup>[minus sign]2</sup>. High numbers of aloricate ciliates (up to 35,000 cells l<sup>[minus sign]1</sup>) dominated the microzooplankton community during early May prior to the onset of the spring bloom. Ciliate abundance then declined rapidly during mid-May with community growth rates ranging from [minus sign]0·71 to 0·23 d<sup>[minus sign]1</sup>. High abundances of metazoplankton (up to 400 l<sup>[minus sign]1</sup>) were also recorded at this time and may have contributed to the decline in ciliate numbers. In late May and early June the protozoan community comprised a more even mix of dinoflagellates, tintinnids and aloricate ciliates. Phytoplankton mortality rates, measured using a dilution technique, ranged from 0·2 to 0·5 d<sup>[minus sign]1</sup>. The microzooplankton consumed 8 to 44 μg C l<sup>[minus sign]1</sup> d<sup>[minus sign]1</sup>, equivalent to between 16 and 40% of the chlorophyll biomass and 38 and 154% of primary production. These high rates of herbivory reflect the predominance of small (<5 μm in length) phytoplankton cells present throughout the first half of the study and support previous studies demonstrating the microzooplankton to be the main grazers of phytoplankton in the north-east Atlantic. However, there is also evidence that a disparity between predator and prey may have prevented a response by the microzooplankton to rapid increases in phytoplankton biomass and production during the spring bloom.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Microzooplankton dynamics during the development of the spring bloom in the north-east Atlantic","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:11.453352","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2020-10-12","DateCreate":"2005-08-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000231201300001","VABBcode":null,"OpenAcc":0,"DOI":"10.1017/S0025315405011653"},"refs":null,"anarec":{"AnaID":75271,"PubliDate":2005,"Pagination":"741-753","XtraPublOfAnaID":null,"ISBN":null,"Volume":"85","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43277,"SerRR":"Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge.  ISSN 0025-3154; e-ISSN 1469-7769","StandardTitleSer":"Journal of the Marine Biological Association of the United Kingdom","ISSN":"0025-3154","AbbrevSer":"J. Mar. Biol. Ass. 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