{"refrec":{"BRefID":251705,"RR":"<b>De Crespin de Billy, V.; Dolegec, S.; Chessle, D.</b> (2000). Biplot presentation of diet composition data: an alternative for fish stomach contents analysis. <i>J. Fish Biol. 56(4)</i>: 961-973. <a href=\"http://dx.doi.org/10.1111/j.1095-8649.2000.tb00885.x\" target=\"_blank\">http://dx.doi.org/10.1111/j.1095-8649.2000.tb00885.x</a>","BEntID":243402,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Fish Biol. 56(4)</i>: 961-973. <a href=\"http://dx.doi.org/10.1111/j.1095-8649.2000.tb00885.x\" target=\"_blank\">http://dx.doi.org/10.1111/j.1095-8649.2000.tb00885.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"De Crespin de Billy, V.; Dolegec, S.; Chessle, D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"De Crespin de Billy, V. <i>et al.</i>","Englishabstract":"A multivariate analysis derived from principal components analysis (PCA), and which allows the investigation on diet composition data, is introduced. To illustrate the method, prey composition data of stomach contents of brown trout <em>Salmo trutta</em> L. collected in a regulated stream were used. The diet composition, foraging strategies and related patterns of fish diet variation were analysed at a macrohabitat scale (i.e. riffles and glides) by way of biplots. 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