986 resultados para Recyclage des nutriments
Resumo:
The different coding methods concerning artisanal collective fishing in the Ebrié lagoon, are exposed. For each computer program one example is proposed.
Resumo:
As explained in the title, this campaign aimed to assess the diurnal vertical variations in abundance of demersal species off the Côte d'Ivoire
Resumo:
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.
Resumo:
This publication gives the results of the bottom trawlings made during the cruises Togo 3 and logo 4 by the oceanographic research vessel "Andre NIZERY" on the continental shelf of Togo during the estimation program of halieutic resources. The report includes: 1 - The report of the cruises Togo 3 and Togo 4 2 - Some information on the presentation of the results 3 - The trawl recording cards for the 2 cruises 4 - The length frequency distributions of the measured samples.