{"refrec":{"BRefID":3254,"RR":"<b>Gillis, J.</b> (1987). The Newman method, modified for the estimation of the total thallus length of filamentous algae. <i>Cryptogam., Algol. 8(2)</i>: 107-112","BEntID":3254,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Cryptogam., Algol. 8(2)</i>: 107-112","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Gillis, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Gillis, J.","Englishabstract":"Newman's (1966) method of total root length estimation is modified and adapted to measure total length of filamentous algae in culture (i.c. <i>Polysiphonia</i>). This method makes possible a measurement and an estimation of the growth of the algae in culture without disturbing them. The petri dishes are placed on a 1x1 mm grid and the filament/grid intersections are counted. Total filament length (T) is given by T = Pi N (LxW)/4(LxW), with N = the number of intersections, L = the length and W = width of area in which the thallus is situated. Total filament length of <i>Polysiphonia</i> in culture estimated by the Newman method is compared with camera lucida measurements. The correlation between the results obtained by the 2 techniques is very high (r = 0.97). The maximum deviation between the means of the total length obtained by the 2 methods was 7.2%: these means are not significantly different (Student t-test). The Newman estimation method required less time than direct measurement, and its results are not significantly different.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The Newman method, modified for the estimation of the total thallus length of filamentous algae","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"NEWMAN's method","Notes":null,"AnaPub":1987,"MonPub":null,"DateUpdate":"2001-11-14","DateCreate":"2000-09-04","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1987H854800004","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":3254,"PubliDate":1987,"Pagination":"107-112","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42596,"SerRR":"Cryptogamie. 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