{"refrec":{"BRefID":14763,"RR":"<b>Fenchel, T.</b> (1968). The ecology of marine microbenthos III. The reproductive potential of ciliates. <i>Ophelia 5</i>: 123-136. <a href=\"https://dx.doi.org/10.1080/00785326.1968.10409627\" target=\"_blank\">https://dx.doi.org/10.1080/00785326.1968.10409627</a>","BEntID":14763,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Ophelia 5</i>: 123-136. <a href=\"https://dx.doi.org/10.1080/00785326.1968.10409627\" target=\"_blank\">https://dx.doi.org/10.1080/00785326.1968.10409627</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fenchel, T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fenchel, T.","Englishabstract":"Growth rates of populations of 9 benthic marine ciliate species were measured in pure cultures at different temperatures. All species had a maximal growth rate above 20°C which is above the average temperature in their natural environment. Several species multiplied at 4°C and one species also at 0°C, and it is suggested that all species are able to multiply at temperatures between 0 and 4°C at very slow rates after long periods of adaptation.At 20°C generation times varied between 2.4 hours (Uronema marina) and 46 hours (Condylostoma patulum) corresponding to intrinsic rates of natural increase (r, per day): 6.65–0.36 and finite rates of increase (λ per day): ca. 1000-1.4.The maximal reproductive rate of ciliates was found to be correlated with cell size. It was found that T = k × v0.44, where T is generation time and v is the average body volume.The reproductive rates of ciliates are compared with values of r for small metazoans (based on the literature or estimated from published data on fecundity and generation times). It is recommended that r is evaluated for a greater number of species as a measure of reproductive potential since this renders comparisons between different animals possible.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The ecology of marine microbenthos III. 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