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approche pluridisciplinaire d'un système de production ... - IRD

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TABLEAU 4<br />

Comparaison <strong>de</strong>s captures en poids (* < 0,50/0) du faet triangulaire (pêche traditionnelle du barqe no2 )<br />

et du gungui (RGF ) les 5-6/11/91 dans le chenal <strong>de</strong> la mare <strong>de</strong> Batamani (fig. 3B).<br />

Espèces Filet triang. 56/l i/91 Gangui 56/11/91<br />

p (100 9) p (10 9)<br />

Marcusenius senegalensis<br />

Pollimyrus isidori<br />

Pollimyrus petricolus<br />

Hydrocynus spp<br />

Alestes baremoze<br />

Brycinus nurse<br />

Brycinus leuciscus<br />

Distichodus brevipinnis<br />

Citharinus citharus<br />

Labeo senegalensis<br />

Barbus sp.<br />

Leptocypris niloticus<br />

15<br />

15<br />

--~-- 1<br />

17 7<br />

78 6<br />

432 51<br />

1176 16<br />

156<br />

52<br />

291<br />

199 63<br />

17<br />

*<br />

-. 78<br />

Clarias anguillaris 13<br />

Schilbe mystus<br />

Siluranodon auritus 1<br />

63<br />

355 I<br />

Bagrus bayad -71<br />

Chrysichthys auratus 16<br />

Auchenoglanis occi<strong>de</strong>ntalis 276<br />

Hemisynodontis membranaceus 19<br />

Synodontis nigrita I I 2<br />

I I<br />

I<br />

I I I<br />

I I<br />

Hemichromis bimaculatus 12<br />

Hemichromis fasciatus I I<br />

*<br />

% Mormyridae<br />

% Cypriniformes<br />

% Siluriformes<br />

% Perciformes<br />

251<br />

2<br />

70 33<br />

* 53<br />

30 11<br />

Migrations latérales <strong>de</strong>s poissons - 3.3

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