Empirical Assessment of Indices of Prey Importance in the Diets of Predacious Fish

By Hongsheng Liao, Clay L. Pierce, J. G. Larscheid. 2001

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Reproduction, abundance and feeding habits of the broadnose sevengill shark Notorynchus cepedianus in north Patagonia, Argentina (2005, methodology): “IRIi were recalculated dividing each IRIi by the sum of all IRIi and multiplying by 100 in order to obtain the proportional IRI (%IRI, Cortés 1997), which is precise and unbiased (Liao et al. 2001).”
Fish gut content analysis: robust measures of diet composition (2014, methodology): “…measures including numbers, volume and/or weight have been proposed to provide a more balanced representation of dietary importance (Pinkas et al. 1971; Liao et al. 2001) and to provide standardized methods for reporting and comparing fish diets (e.g. Mohan and Sankaran 1988; Cortes 1997, 1998).”
Dietary shifts in a stressed fish assemblage: Consequences of a bivalve invasion in the San Francisco Estuary (2003, unknown): “Pope et al. (2001) found %M was correlated with mean caloric contribution of stomach contents and Liao et al. (2001) found %M was correlated with % occurrence, % number and the compound index of relative importance.”