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Table 4.3.2: Biomass estimates (1992-2002) of Trachurus trecae by country (zone), R/V DR. FRIDTJOF NANSEN (weight in thousand tonnes)/Estimations de biomasse (1992-2002) de Trachurus trecae par pays (zone), N/R DR. FRIDTJOF NANSEN (poids en milliers de tonnes)


Survey period

C.Cantin-C.Juby

C.Juby-C.Blanc

Mauritania

Senegal-Gambia

Total

Feb-Mar 1992

+

+

90

440

530

Nov-Dec 1995

+

90

80

10

180

Nov-Dec 1996

+

600

62

+

662

Nov-Dec 1997

+

505

150

+

655

Nov-Dec 1998

+

540

259

+

799

Nov-Dec 1999

+

290

296

67

653

Nov-Dec 2000

+

1030

724

8

1762

Nov-Dec 2001

+

240

+

125

365

May-Jun 2002


195

800

86

1082

Nov-Dec 2002


350

179

50

579


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