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. 2012 Mar 12;2012:104389. doi: 10.1100/2012/104389

Table 3.

Factors and explanatory variables used in the partial logistic regression models. Abbreviations: CPUE, Capture per unit of effort; SSTSS, Sea surface temperature at starting set; SSTFS, Sea surface temperature in the final of the set.

Factors Variables Variables types Abbreviation
Dependent variable the probability of a fishing operation presents a CPUE value higher than the average CPUE for this boat stratum Binary COcpue

Technical characteristics of
the fishery
Distance between both extremes of the longline Quantitative DL
Diurnal or nocturnal setting Binary DN

Geographical location Latitude where the setting started Quantitative LATSS
Longitude where the setting started Quantitative LONGSS
Latitude where the setting finished Quantitative LATFS
Longitude where the setting finished Quantitative LONGFS
Sets over continental shelf Binary SCS

Environment Sea Surface Temperature where the setting started Quantitative SSTSS
Sea Surface Temperature where the setting finished Binary SSTFS
Mean of Sea Surface Temperature between SSTSS and SSTFS Binary MR
Absolute variation between SSTSS and SSTFS Binary AP
Moon effect Binary MO