Fisheries - Enviro Dynamics Namibia

Final Report
Namibian Marine Phosphate (Pty) Ltd.
F I S H E R I E S , M A M M A L S A N D S E A B I R D S S P E C I A L I S T S T U D Y
Table 1a. Commercial fisheries data showing percentage catches per impact zone for fisheries in which data were supplied for the whole Namibian EEZ
SP-1 SP-2 SP-3
MLA (incl. SP-1,
SP-2, SP-3)
Zone 1 (Area
between
MLA – 25 km)
Cumulative to
25 km
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Zone 2 (Area
between
25 – 50km)
Cumulative to
50 km
Zone 3 (Area
between
50 – 100 km)
Cumulative to
100 km
Zone 4 (Area
greater
than 100 km)
Catch % Catch % Catch % Catch % Catch % Catch % Catch % Catch % Catch % Catch % Catch % Catch
(t)
(t)
(t)
(t)
(t)
(t)
(t)
(t)
(t)
(t)
(t)
(t)
Hake 2004-2009 6 0.00 297 0.06 0 0.00 4606 0.86 22382 4.17 26988 5.03 19004 3.54 45992 8.57 48059 8.96 94051 17.53 442601 82.47 536651
Horse mackerel
1997-2011
1694 0.05 191 0.01 222 0.01 10393 0.32 24622 0.76 35015 1.08 47267 1.45 82281 2.53 110672 3.40 192954 5.93 3063404 94.07 3256357
Monk 2005-2010 2 0.00 802 0.98 64 0.08 5163 6.34 10924 13.41 16087 19.75 6749 8.29 22836 28.04 11945 14.67 34781 42.70 46664 57.30 81445
Table 1b. Commercial fisheries data showing percentage effort per impact zone for fisheries in which data were supplied for the whole Namibian EEZ
SP-1 SP-2 SP-3
MLA (incl. SP-1,
SP-2, SP-3)
Zone 1 (Area
between
MLA – 25 km)
Cumulative to
25 km
Zone 2 (Area
between
25 – 50km)
Cumulative to
50 km
Zone 3 (Area
between
50 – 100 km)
Cumulative to
100 km
Zone 4 (Area
greater
than 100 km)
Effort % Effort % Effort % Effort % Effort % Effort % Effort % Effort % Effort % Effort % Effort % Effort
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
(hrs)
Hake 2004-2009 7 0.00 857 0.00 0 0.00 9417 1.04 39470 4.37 48887 0.05 32782 0.04 81669 9.04 86550 0.10 168219 18.61 735601 0.81 903820
Horse mackerel
1997-2011
224 0.05 33 0.01 78 0.02 1864 0.38 4233 0.87 6096 1.25 8325 1.71 14421 2.96 18058 3.71 32479 6.66 454864 93.34 487343
Monk 2005-2010 14 0.00 2413 0.62 237 0.06 19327 4.93 48585 12.40 67912 17.33 31704 8.09 99617 25.42 59510 15.19 159127 40.61 232681 59.39 391808
Total
catch (t)
Total
effort
(hrs)