IOTC Area Predictive analysis

Approach

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Fishing hours aggregated per month along the entire period January 1997-December 2012

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CPUE for Yellofin Tuna, in the entire period January 1997-December 2012

Distribution of the vessels longitudes for Yellofin Tuna by Purse Seine technique, in the entire period January 1997-December 2012

Latitude trend in samples.

Distribution of the vessels latitudes for Yellofin Tuna by Purse Seine technique, in the entire period January 1997-December 2012

Distribution of the presence of vessels on 1 degree csquares, in the entire period January 1997-December 2012

Spectrogram for the fishing hours trend.

Spectrogram for the latitude trend.

Spectrogram for the longitude trend.

Forecasted trend for latitude.

Forecasted trend for longitude.

Forecasted trend for fishing hours.

Aggregation on 12 Months

Aggregation on 12 months of the number of Purse Seine fishing hours.

Aggregation on 12 months of the catch quatities.

Aggregation on 12 months of the CPUE for Yellfin Tuna.

Aggregation on 12 months of the barycenters latitudes.

Aggregation on 12 months of the barycenters longitudes.

Analysis on the Most Exploited Csquare

Most exploited areas at 10 degrees resolution

Csquare code	Exploitation (fishing hours)
3005	614135.3
1005	709254.3
3004	513798.8
3104	211621.1
3006	258669.6
3105	24718.3
1004	12235.1
3004	513798.8
3007	33038.7

Aggregation on 12 months of the CPUE for the most exploited ares with csquare code 3005.