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COUREE DE L EVOLUTION DES BIOMASSES<br />

|000 _ BIOMASSE (col/rn ) x +1<br />

500-<br />

100-<br />

50 -U •^/<br />

Moyenne de 10 stations de bas de plage.<br />

Les nombres d' individus au m* et de la biomasse en cal/n<br />

pour tous les especes examines (44 especes differentes)<br />

sont disponibles sur demande de l'auteur.<br />

Tt Tellina tenuis Tf<br />

Dv Donax vittatus Nh<br />

Am :<br />

Arenicola marina Ow<br />

Bath: Bathyporeia Uro<br />

Tellina fabula<br />

Nephtys hombergil<br />

Owenia fusiformis<br />

Urothoe<br />

1963 JANV JANV. 80 JANV. 81<br />

AMOCO (mart)<br />

CADIZ<br />

TEMPS (mois)<br />

A62

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