{"refrec":{"BRefID":234871,"RR":"<b>Schneider, G.; Behrends, G.</b> (1998). Top-down control in a neritic plankton system by <i>Aurelia aurita</i> medusae - a summary. <i>Ophelia 48(2)</i>: 771-82. <a href=\"http://dx.doi.org/10.1080/00785236.1998.10428677\" target=\"_blank\">http://dx.doi.org/10.1080/00785236.1998.10428677</a>","BEntID":226556,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Ophelia 48(2)</i>: 771-82. <a href=\"http://dx.doi.org/10.1080/00785236.1998.10428677\" target=\"_blank\">http://dx.doi.org/10.1080/00785236.1998.10428677</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Schneider, G.; Behrends, G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Schneider, G.; Behrends, G.","Englishabstract":"This paper summarizes earlier published results obtained for the scyphomedusa <i>Aurelia aurita</i> to elucidate the role of this species in the pelagic system of the Kiel Bight (western Baltic Sea). With the data now existing, it appears that the standing stocks of various plankton components are regulated by the medusae. Comparisons between different years show that increasing densities of <i>A. aurita</i> are associated with a sharp decline of mesozooplankton, a shift in species composition, and a pronounced increase of chlorophyll <i>a</i> and ultraplankton (&lt; 15 pm) abundance. No changes were, however, observed for microphytoplankton (diatoms and dinoflagellates). <i>A. aurita</i> seems, therefore, to exert top-clown control over the plankton community and is considerably more important than previously supposed. The medusae influence, as a result of trophic cascading, the abundance and composition of both the secondary and the primary producers. Mass occurrence of medusae leads, however, to scanty food for themselves, smaller body size and another reproduction strategy compared with years poor in medusae.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Top-down control in a neritic plankton system by <i>Aurelia aurita</i> medusae - a summary","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-07 01:31:18.710545","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1998,"MonPub":null,"DateUpdate":"2014-04-28","DateCreate":"2014-04-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000074664100001","VABBcode":null,"OpenAcc":0,"DOI":"10.1080/00785236.1998.10428677"},"refs":null,"anarec":{"AnaID":234871,"PubliDate":1998,"Pagination":"771-82","XtraPublOfAnaID":null,"ISBN":null,"Volume":"48","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43470,"SerRR":"Ophelia: International Journal of Marine Biology. 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