Standardized catch rate of albacore (Thunnus alalunga Bonnaterre, 1788) caught by the Spanish surface longline fishery in the western Mediterranean 2004-2015
2017
Saber, Sámar | Macías-López, Ángel David | Rioja-Garay, Pilar | Ortiz-de-Urbina-Gutiérrez, José María
Standardized relative abundance indices of albacore (Thunnus alalunga Bonnaterre, 1788) caught by the Spanish surface longline, LLALB, in the western Mediterranean Sea were estimated for the period 2004-2015. Standardized CPUEs were estimated through a General Linear Modeling (GLM) approach under a negative binomial error distribution assumption. The main factors in the standardization analysis were fishing area and time of the year. Following a relatively stable trend for the period 2004-2008 and an increase between 2009 and 2010, the index seems to have declined since 2011 onwards.
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