Chaines de traitement des statistiques de pêche artisanale. II - annexes et codages

The different coding methods concerning artisanal collective fishing in the Ebrié lagoon, are exposed. For each computer program one example is proposed.

Statistiques des peche des sardiniers ivoiriens - annee 1982

The fishing in 1982 has been oriented towards Sardinella aurita stock, which becomes the target species with 11.200 tons over 21.300 tons, taking the place of Sardinella maderensis, which reaches only 4,800 tons. The high abundance of this species explains the decrease of fishing effort.

Statistiques de peches des Chalutiers Ivoiriens, Annee 1983. Campagnes Chalutage Togo 5 & 6

This publication gives fishery statistics relating to the landings of the Ivorian trawlers in Abidjan in 1983. The data used are the inquiries made by the C.R.O. on the boats and the auction sheets of the fishing harbour. The data processing was executed on the C.R.O. computer.

Statistiques de pêche en Lagune Aby (Côte d'Ivoire): la pêche a l'epervier (1988)

Cast net fishing is a relatively important socio-economíc activity in Aby lagoon. About 516 fishermen practice this activity for an annual total production estimated at 336 millions CFA, which represents 54,000 CFA per month. The catches are essentially composed of Cichlidae (88,7 %) and Mugilidae (2,8 %). The annual production represents 15 % of that of other types of gears used (beach seines, syndicat seines and gill nets).

Statistiques de peche des chalutiers ivoiriens - annee 1982

This publication gives fishery statistics relating to the landings of the ivorian trawlers in Abidjan in 1982. The data used are the inquiries made by the C.R.O. on the boats and the auction sheets of the fishing harbour. The data processing was executed on the C.R.O. computer.

Statistiques des peche des sardiniers ivoiriens - annee 1981

This publication shows the statistics of the sardinella fleet in 1981. These statistics are the catches and the effort by sector every two weeks. These data come also by month. At the end, ara listed the prices of the fresh fish in boxes at the criee. 1981 has been better than 1980, mainly for Sardinella aurita.

Statistiques de pêche des sardiniers ivoiriens - année 1983

The sardinella fleet landed the same quantity of sardines in 1983 (11200 tons) as in 1982. Sardinella aurita catches would be more important if the "Syndicat des Armateurs" did not impose quotas - in July 300 boxes and in August 100 boxes by fleet by trip. The extension of the effort to herring stock increased the catches of this species and an over estimation of 44% of the effort have been observed in 1983.

Statistiques de peche des chalutiers ivoiriens - annee 1981

This publication gives fishery statistics relating to the landings of the Ivorian trawlers in Abidjan in 1981. The data used are the inquiries made by the C.R.O. on the boats and the auction sheets of the fishing harbour. The data processing was executed on the C.R.O. computer.

Statistiques de peche des chalutiers ivoiriens - annee 1983

This publication gives fishery statistics relating to the landings of the Ivorian trawlers in Abidjan in 1983. The data used are the inquiries made by the C.R.O. on the boats and the auction sheets of the fishing harbour. The data processing was executed on the C.R.O. computer.

Statistiques de pêche en Lagune Aby (Côte d'Ivoire): évolution de l'effort et des captures de 1979 à 1990

Two kinds of fishing gears insure the exploitation in Aby lagoon: the individual gears are represented essentially by gill nets and collective gears by seines. The number of gill nets varies between 1500 in 1981 and 5600 in 1986. The beach seines, which number varies between 40 and 60, are regularly used. The purse seines (15-30) have been superseded by "syndicat" seines (15) in 1990.