Untitled - CNR

Relative abundance indicesMarine research at CNR2.01.81.61.41.21.00.80.60.4SSB RecAge00.20.01993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008Figure 8: Spawning stock biomass relative indices of hake in the Strait of Sicily (Medianvalues of 1000 bootstrapped runs).and very few scientists were involved inthese studies. Nowadays, there is a evergrowing knowledge and more scientistsinvolved in this field, both of them areimportant pre-requisites to move beyondthe single-species paradigm and adopt anecosystem-based assessment and managementapproach.5 AcknowledgementsThe authors would like to thank Colleaguesinvolved in stock assessment programs.Data and information of this work derivefrom national (GRUND) and internationalprograms (MEDITS) and biological samplingof catches now included within theframeworks of EU Data Collection Regulation(DCR).1999