{"refrec":{"BRefID":15874,"RR":"<b>Williams, R.; Collins, N.R.</b> (1985). Chaetognaths and ctenophores in the holoplankton of the Bristol Channel. <i>Mar. Biol. (Berl.) 85</i>: 97-107","BEntID":15874,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. (Berl.) 85</i>: 97-107","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Williams, R.; Collins, N.R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Williams, R.; Collins, N.R.","Englishabstract":"The geographical distributions, seasonal variations in numerical abundance and biomass (mg C m super(-3)) of the predators of the holoplankton of the Bristol Channel, between November 1973 and February 1975, are described. The predator numbers and biomass were dominated by the chaetognath <i>Sagitta elegans</i> Verrill. This species represented 96% of the holoplankton carnivore biomass in the outer, seaward region of the Channel and 60% in the inner region; the remainder being ctenophores. The maximum numerical abundance of <i>S. Elegans</i> occurred in September at 129 individuals m super(-3) ( identical with 18 mg C m super(-3)), juveniles (<5 mm) reached maximum during June, August and September, demonstrating the reproductive activity of the population. The tentaculate ctenophores were represented by <i>Pleurobrachia pileus</i> (O. F. Mueller). The highest abundance was 81 individuals m super(-3) ( identical with 3.0 mg C m super(-3)) at a single site in July in the South Central Channel. When the population reached its peak abundance in June, the estimated food requirement outstripped the daily production of copepods and a decline in both the prey and predator standing stocks was observed.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Chaetognaths and ctenophores in the holoplankton of the Bristol Channel","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:01.499330","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1985,"MonPub":null,"DateUpdate":"2014-08-29","DateCreate":"2001-08-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1985AJR4300012","VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":15874,"PubliDate":1985,"Pagination":"97-107","XtraPublOfAnaID":null,"ISBN":null,"Volume":"85","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43352,"SerRR":"Marine Biology: International Journal on Life in Oceans and Coastal Waters. 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