{"refrec":{"BRefID":134706,"RR":"<b>Newell, R.I.E.; Bayne, B.L.</b> (1980). Seasonal changes in the physiology, reproductive condition and carbohydrate content of the cockle <i>Cardium</i> (=<i>Cerastoderma</i>) <i>edule</i> (Bivalvia: Cardiidae). <i>Mar. Biol. (Berl.) 56(1)</i>: 11-19. <a href=\"https://dx.doi.org/10.1007/BF00390589\" target=\"_blank\">https://dx.doi.org/10.1007/BF00390589</a>","BEntID":128639,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. (Berl.) 56(1)</i>: 11-19. <a href=\"https://dx.doi.org/10.1007/BF00390589\" target=\"_blank\">https://dx.doi.org/10.1007/BF00390589</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Newell, R.I.E.; Bayne, B.L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Newell, R.I.E.; Bayne, B.L.","Englishabstract":"Pronounced seasonal cycles in the rates of oxygen consumption and feeding were found for <i>Cardium</i> (=<i>Cerastoderma</i>) <i>edule</i> L. measured in the field under ambient conditions. The cockles had a maximum rate of oxygen consumption (0.89 ml O<sub>2</sub> g<sup>-1</sup> h<sup>-1</sup>) in April which declined to a minimum of 0.35 ml O<sub>2</sub> g<sup>-1</sup> h<sup>-1</sup> in March. Their feeding rate was variable but had a maximum value (3.91 l  g<sup>-1</sup> h<sup>-1</sup>) in April and a minimum value (0.73 l g<sup>-1</sup> h<sup>-1</sup>) in October. There was no apparent seasonal variation in absorption efficiency, with a mean value of 67.6%. Gametogenesis was initiated in January and the population reached a peak in reproductive condition in April/May, followed by a 3 month spawning period. Carbohydrate reserves were synthesised during spawning, and were then utilised during the winter and early spring. An adaptive function for a reduction in time spent feeding is postulated, and correlations between the rates of certain physiological processes and some exogenous and endogenous variables are discussed.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Seasonal changes in the physiology, reproductive condition and carbohydrate content of the cockle <i>Cardium</i> (=<i>Cerastoderma</i>) <i>edule</i> (Bivalvia: Cardiidae)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:18.250830","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1980,"MonPub":null,"DateUpdate":"2009-04-30","DateCreate":"2009-04-30","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1980JU90300003","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/BF00390589"},"refs":null,"anarec":{"AnaID":134706,"PubliDate":1980,"Pagination":"11-19","XtraPublOfAnaID":null,"ISBN":null,"Volume":"56","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43352,"SerRR":"Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin.  ISSN 0025-3162; e-ISSN 1432-1793","StandardTitleSer":"Marine Biology: International Journal on Life in Oceans and Coastal Waters","ISSN":"0025-3162","AbbrevSer":"Mar. Biol. 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