{"refrec":{"BRefID":101009,"RR":"<b>Wang, Y.; Yu, Z.; Song, X.; Zhang, S.</b> (2006). Interactions between the bloom-forming dinoflagellates <i>Prorocentrum donghaiense</i> and <i>Alexandrium tamarense</i> in laboratory cultures. <i>J. Sea Res. 56(1)</i>: 17-26. <a href=\"https://dx.doi.org/10.1016/j.seares.2006.04.002\" target=\"_blank\">https://dx.doi.org/10.1016/j.seares.2006.04.002</a>","BEntID":96198,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>J. Sea Res. 56(1)</i>: 17-26. <a href=\"https://dx.doi.org/10.1016/j.seares.2006.04.002\" target=\"_blank\">https://dx.doi.org/10.1016/j.seares.2006.04.002</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Wang, Y.; Yu, Z.; Song, X.; Zhang, S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Wang, Y. <i>et al.</i>","Englishabstract":"Interactions between <i>Prorocentrum donghaiense</i> and <i>Alexandrium tamarens</i>, two bloom-forming dinoflagellates, were investigated using bi-algal cultures. All <i>P. donghaiense</i> died, but <i>A. tamarense</i> was hardly affected by the end of the experiment when the initial cell density was set at 1.0 × 10<sup>4</sup> cells mL<sup>-1</sup> for <i>P. donghaiense</i> and 0.28 × 10<sup>4</sup> cells mL<sup>-1</sup> for <i>A. tamarense</i>. However, significant growth suppression occurred in either species when the initial cell density of <i>P. donghaiense</i> increased to 1.0 × 10<sup>5</sup> cells mL<sup>-1</sup> in the bi-algal culture, but no out-competement was observed. The simultaneous assay on the culture filtrates showed that <i>P. donghaiense</i> filtrate prepared at a lower initial density (1.0 × 10<sup>4</sup> cells mL<sup>-1</sup>) stimulated growth of the co-cultured <i>A. tamarense</i> (0.28 × 10<sup>4</sup> cells mL<sup>-1</sup>), but filtrate at a higher initial density (1.0 × 10<sup>5</sup> cells mL<sup>-1</sup>) depressed its growth. The filtrate of <i>A. tamarense</i> at a density of 0.28 × 10<sup>4</sup> cells mL<sup>-1</sup> killed all <i>P. donghaiense</i> at a lower density (1.0 × 10<sup>4</sup> cells mL<sup>-1</sup>), but only exhibited an inhibitory effect on it at a higher density (1.0 × 10<sup>5</sup> cells mL<sup>-1</sup>). It is likely that these two species of microalgae interfere with each other mainly by releasing allelochemical substance(s) into the culture medium, and a direct cell-to-cell contact was not necessary for their mutual interaction. The allelopathic test further proved that <i>A. tamarense</i> could affect the growth of co-cultured <i>P. donghaiense</i> by producing allelochemical(s); moreover, <i>A. tamarense</i> culture filtrate at the stationary growth phase (SP) had a strongly inhibitory effect on <i>P. donghaiense</i> compared to that at the exponential phase (EP). Results also demonstrated a dose-dependent relationship between the microalgal initial cell density and the degree of the allelopathic effect. The growth of <i>P. donghaiense</i> and <i>A. tamarense</i> in the bi-algal cultures was simulated using a mathematical model to quantify the interaction. The estimated parameters from the model showed that the inhibition exerted by <i>A. tamarense</i> on <i>P. donghaiense</i> was about 17 and 8 times stronger than the inhibition <i>P. donghaiense</i> exerted on <i>A. tamarense</i>, when the initial cell density was set at 1.0 × 10<sup>4</sup> and 1.0 × 10<sup>5</sup> cells mL<sup>-1</sup> for <i>P. donghaiense</i>, respectively, and 0.28 × 10<sup>4</sup> cells mL<sup>-1</sup> for <i>A. tamarense</i> in the bi-algal cultures. <i>A. tamarense</i> seems to have a survival strategy that is superior to that of <i>P. donghaiense</i> in bi-algal cultures under controlled laboratory conditions.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Interactions between the bloom-forming dinoflagellates <i>Prorocentrum donghaiense</i> and <i>Alexandrium tamarense</i> in laboratory cultures","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-02 01:31:11.346251","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"species interaction; allelochemicals; bloom-forming dinoflagellate;Prorocentrian donghaiense; Alexandrium tamarense","OtherDescriptors":null,"Notes":null,"AnaPub":2006,"MonPub":null,"DateUpdate":"2020-10-19","DateCreate":"2006-07-25","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000239155500002","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.seares.2006.04.002"},"refs":null,"anarec":{"AnaID":101009,"PubliDate":2006,"Pagination":"17-26","XtraPublOfAnaID":null,"ISBN":null,"Volume":"56","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43261,"SerRR":"Journal of Sea Research. 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