Fisheries - Enviro Dynamics Namibia

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11 RECOMMENDATIONS 11.1 MITIGATION 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 The information presented in this assessment has been provided by NatMIRC. The spatial assessment provided here is a first attempt, based on the information provided, to assess the risk associated with the proposed dredging for phosphates. We advise that there is a need for the establishment of a baseline for the MLA. This can be based on the available data, but where considered critical, additional data collected for a baseline prior to mining commencing. To mitigate loss of fishing grounds there are no realistic options in our view. The only possible exception is the accommodation of the needs of the monk fishery through a mutually agreed access operational plan. For mammals and seabirds protocols for minimising deck light intensity should be introduced as well as following JNCC standards for minimising interactions with marine mammals (similar to those followed by seismic survey vessels). 11.2 MONITORING Due to the small scale of the proposed dredging operations in the context of the larger ecosystem and extent of the marine resources it is unlikely to be able to discriminate a clear signal relating to ecosystem change as a result of dredging (primarily due to variability within the ecosystem). In the short term both MFMR and the mining lease operator should establish appropriate monitoring line (s) through the Mining Licence Area to monitor the effects of dredging on a realtime basis (possibly coinciding with established surveys). Given the number of industrial mineral EPLs that have been granted in the area between Walvis Bay and Lüderitz consideration should be given to requesting that the Benguela Current Commission incorporate into their Strategic Environmental Assessment of the mineral sector of the Benguela ecosystem a study of the potential impacts of dredging. Final Report Namibian Marine Phosphate (Pty) Ltd. Page 82
12 REFERENCES 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 Atkinson LJ and Sink KJ (2008). User profiles for the South African offshore environment. SANBI Biodiversity Series 10. South African National Biodiversity Institute, Pretoria. Atkinson LJ, Field JG and Hutchings L (2011). Effects of demersal trawling along the west coast of southern Africa: multivariate analysis of benthic assemblages. Marine Ecology Progress Series 430: 241- 255. Barnes KN (ed). (2000). The Eskom Red Data Book of Birds of South Africa, Lesotho and Swaziland. Birdlife South Africa, Johannesburg. 169 pp BCLME (Benguela Current Large Marine Ecosystem) (2007). Status of stocks review. Report No.1 (2007) Berruti A (1989). Resident Seabirds. In: Payne AIL, Crawford RJM (eds) Oceans of Life off southern Africa. Vlaeberg, Cape Town: 257–273. Best PB (1967). Distribution and feeding habits of baleen whales off the Cape Province. Invest. Rep. Div. Sea Fish S. Afr. 57: 1-44. Best PB. (1969) The sperm whale (Physeter catodon) off the west coast of South Africa. 4. and movements. Investl. Rep. Div. Sea Fish. S. Afr. 78: 1-72. Best PB (1977). Two allopatric forms of Bryde's whale off South Africa. Reports of the International Whaling Commission Special Issue 1: 10-38. Best PB (1994). A review of the catch statistics for modern whaling in southern Africa, 1908-1930. Rep. Int. Whal. Commn. 44: 467-185. Best PB. unpublished. Blue whales off Namibia – a possible wintering ground for the Antarctic population. Document SC/50/CAW14 submitted to the International Whaling Commission. Best PB and Ross GJB (1986). Catches of right whales from shore-based establishments in southern Africa, 1792-1975. Rep. int. Whal. Commn (Special Issue 10): 275-289. Best PB (2000). Coastal distribution, movements and site fidelity of right whales (Eubalaena australis) off South Africa, 1969-1998. S. Afr. J. mar. Sci. 22:43-56. Best PB (2007). Whales and Dolphins of the Southern African Subregion. Cape Town, Cambridge University Press. pp 338. Bianchi G, Carpenter KE, Roux JP, Molloy FJ, Boyer D and Boyer HJ (1999). Field guide to the living marine resources of Namibia. FAO Rome 265p Boyer DC and Hampton I. (2001a) An overview of the living marine resources of Namibia. South African Journal of Marine Science 23: 5-35. Boyer DC and Hampton I (2001b). Development of acoustic techniques for assessment of orange roughy Hoplostethus atlanticus biomass off Namibia and of methods for correction for bias. South African Journal of Marine Science 23: 223-240. Final Report Namibian Marine Phosphate (Pty) Ltd. Page 83
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1 INTRODUCTION F I S H E R I E S ,
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Fisheries - Enviro Dynamics Namibia

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