{"refrec":{"BRefID":282278,"RR":"<b>Accoroni, S.; Glibert, P.M.; Pichierri, S.; Romagnoli, T.; Marini, M.; Totti, C.</b> (2015). A conceptual model of annual <i>Ostreopsis</i> cf. <i>ovata</i> blooms in the northern Adriatic Sea based on the synergic effects of hydrodynamics, temperature, and the N:P ratio of water column nutrients. <i>Harmful Algae 45</i>: 14-25. <a href=\"http://dx.doi.org/10.1016/j.hal.2015.04.002\" target=\"_blank\">http://dx.doi.org/10.1016/j.hal.2015.04.002</a>","BEntID":274297,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Harmful Algae 45</i>: 14-25. <a href=\"http://dx.doi.org/10.1016/j.hal.2015.04.002\" target=\"_blank\">http://dx.doi.org/10.1016/j.hal.2015.04.002</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Accoroni, S.; Glibert, P.M.; Pichierri, S.; Romagnoli, T.; Marini, M.; Totti, C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Accoroni, S. <i>et al.</i>","Englishabstract":"The ecology of <i>Ostreopsis</i> cf. <i>ovata</i> blooms in the Conero Riviera (N Adriatic Sea) was investigated based on sampling carried out from 2007 to 2012, in order to assess the role of environmental factors associated with blooms. Generally, the temporal trend of blooms showed the first cell appearance at the end of July/early August, the maximum abundances in late-summer at end of September/early October reaching up to 10<sup>6</sup> cells g<sup>−1</sup> fw on macrophyte samples, and the decline of the blooms at end October/early November. Calm conditions appeared to be a prerequisite for blooms. When suitable hydrodynamic conditions exist, <i>O</i>. cf. <i>ovata</i> blooms appear to be triggered by a combination of optimal temperature and available nutrients. A water temperature threshold of 25 °C plays a key role in the germination of <i>O</i>. cf. <i>ovata</i> cysts and therefore in bloom onset, and an N:P ratio around Redfield value is a necessary condition to allow cell proliferation. The synergy of higher temperatures and optimal N:P ratios resulted in a higher net growth rate of <i>O.</i> cf. <i>ovata</i> cells. After the onset, blooms can be maintained at temperature values even below 20 °C and at N:P ratios that are in excess of the Redfield ratio. Once the bloom has started it may be maintained not necessarily through high growth rates, but likely through other physiological mechanisms. Bloom decline occurred when temperatures dropped below 18 °C. The net effect of the synergy between local hydrodynamic conditions, temperature, and N and P availability may help to explain why blooms in the northern Adriatic Sea occur differently from those in other Mediterranean regions.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A conceptual model of annual <i>Ostreopsis</i> cf. <i>ovata</i> blooms in the northern Adriatic Sea based on the synergic effects of hydrodynamics, temperature, and the N:P ratio of water column nutrients","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"    Ostreopsis; N:P ratio; Temperature; Harmful algae; Benthic dinoflagellates; Cysts","OtherDescriptors":null,"Notes":null,"AnaPub":2015,"MonPub":null,"DateUpdate":"2017-01-05","DateCreate":"2017-01-05","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000358098200002","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.hal.2015.04.002"},"refs":null,"anarec":{"AnaID":282278,"PubliDate":2015,"Pagination":"14-25","XtraPublOfAnaID":null,"ISBN":null,"Volume":"45","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45642,"SerRR":"Harmful Algae. 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