IOTC Area Predictive analysis
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Revision as of 11:57, 21 May 2014 by Gianpaolo.coro (Talk | contribs) (→Analysis on the Most Exploited Csquare)
Description
Hypothesis and Thesis
Approach
Fishing hours aggregated per month along the entire period January 1997-December 2012
Fishing hours trend in samples.
Catch quantity in tonnes for Yellofin Tuna, in the entire period January 1997-December 2012
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
| 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.
