{"refrec":{"BRefID":34914,"RR":"<b>Grudemo, J.; Bohlin, T.</b> (2000). Effects of sediment type and intra- and interspecific competition on growth rate of the marine snails <i>Hydrobia ulvae</i> and <i>Hydrobia ventrosa</i>. <i>J. Exp. Mar. Biol. Ecol. 253</i>: 115-127. <a href=\"https://dx.doi.org/10.1016/S0022-0981(00)00252-5\" target=\"_blank\">https://dx.doi.org/10.1016/S0022-0981(00)00252-5</a>","BEntID":34914,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>J. Exp. Mar. Biol. Ecol. 253</i>: 115-127. <a href=\"https://dx.doi.org/10.1016/S0022-0981(00)00252-5\" target=\"_blank\">https://dx.doi.org/10.1016/S0022-0981(00)00252-5</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Grudemo, J.; Bohlin, T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Grudemo, J.; Bohlin, T.","Englishabstract":"The combined effects of sediment grain size and intra- and interspecific competition on growth rate of <i>Hydrobia ulvae</i> and <i>H. ventrosa</i> were investigated in a 2-month laboratory experiment. Individuals of <i>H. ulvae</i> grew faster than <i>H. ventrosa</i> at all competition intensities. Growth rate did not differ between fine- and coarse-grained sediments in any of the species. This suggests that other factors than the sediment quality cause the often observed size differences between <i>Hydrobia</i> snails from these sediment types in nature. Competition from 1.6 to 1.9 times larger competitors affected growth of the smaller target snails. Competition between the species was asymmetrical and, in both species, per capita effect of competition was stronger from <i>H. ulvae</i> than from <i>H. ventrosa</i>, regardless of sediment type. From growth, Lotka-Volterra competition coefficients were estimated to 0.2 from <i>H. ventrosa</i> on <i>H. ulvae</i> and 1.8 from <i>H. ulvae</i> on <i>H. ventrosa</i>. Since competition between the species seems to be independent of sediment grain size, the shift in numerical dominance in nature, from <i>H. ulvae</i> on coarse-grained sediment to <i>H. ventrosa</i> on fine-grained, could not be explained with different competitive ability in different environments.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Effects of sediment type and intra- and interspecific competition on growth rate of the marine snails <i>Hydrobia ulvae</i> and <i>Hydrobia ventrosa</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:06.249758","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2000,"MonPub":null,"DateUpdate":"2003-05-19","DateCreate":"2003-05-19","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000089780300008","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/S0022-0981(00)00252-5"},"refs":null,"anarec":{"AnaID":34914,"PubliDate":2000,"Pagination":"115-127","XtraPublOfAnaID":null,"ISBN":null,"Volume":"253","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43229,"SerRR":"Journal of Experimental Marine Biology and Ecology. Elsevier: New York.  ISSN 0022-0981; e-ISSN 1879-1697","StandardTitleSer":"Journal of Experimental Marine Biology and Ecology","ISSN":"0022-0981","AbbrevSer":"J. Exp. Mar. Biol. 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