State of the Bay Report 2011-Final.pdf - Anchor Environmental

State of Saldanha Bay & Langebaan Lagoon 2011
List of Figures
LIST OF FIGURES
Figure 1.1.
Figure 3.1.
Regional map of Saldanha Bay and Langebaan Lagoon showing development (grey
shading) and conservation areas. ............................................................................... 1
Possible alterations in abundance/biomass and community composition. Overall
abundance/biomass is represented by the size of the circles and community
composition by the various types of shading. After Hellawell (1986). ...................... 7
Figure 4.1. Composite aerial photo of Saldanha Bay and Langebaan Lagoon taken in 1960.
(Source Department of Surveys and Mapping). Note the absence of the ore
terminal and causeway and limited development at Saldanha and Langebaan. ..... 12
Figure 4.2. Composite aerial photo of Saldanha Bay and Langebaan Lagoon taken in 1989.
(Source Department of Surveys and Mapping). Note the presence of the ore
terminal, the causeway linking Marcus Island with the mainland, and expansion of
settlements at Saldanha and Langebaan. ................................................................. 13
Figure 4.3. Composite aerial photo of Saldanha Bay and Langebaan Lagoon taken in 2007.
(Source Department of Surveys and Mapping). Note expansion in residential
settlements particularly around the town of Langebaan. ........................................ 14
Figure 4.4.
Figure 4.5.
Figure 4.6.
Figure 4.7.
Figure 4.8.
Satellite image of Langebaan showing little or no setback zone between the town
and the Bay. .............................................................................................................. 15
Composite aerial photograph of Langebaan showing absence of development
setback zone between the town and the lagoon. .................................................... 16
Numbers of tourists visiting the West Coast National Park since 2005 (Data from
Pierre Nel, WCNP). Day guests include all South African visitors (adults and
children) while Overnight guests refer those staying in SANPARK accommodation.
International guests include all SADC and non-African day visitors (adults and
children) while the category ‘Other’ includes residents, staff, military, school visits,
etc. .......................................................................................................................... 17
Location of the maintenance dredging site between Caissons 3 and 4 on the ore
terminal. ................................................................................................................... 22
Current layout of Transnet Saldanha Bay Port (Source: Lindokuhle Mkhize, Transnet
National Port Authority 2012). ................................................................................. 23
Figure 4.9. An illustration of an LPG transfer scheme (Source: ERM Final Scoping Report 2011) .
.......................................................................................................................... 24
Figure 4.10. The Salamander Bay boatpark in Saldanha (central strip of the picture). ............... 25
Figure 3.11.
Figure 4.12.
Figure 4.13.
Number and types of vessels entering Saldanha Port from 1994-2011. (Sources:
Marangoni 1998; Awad et al. 2003, Transnet-NPA). ................................................ 28
Volumes of ballast water discharge in million tonnes by the different types of
vessels entering Saldanha Port between 1994 and 2011. The data for 1999-2002 is
an average of the total volume of discharge for those years. (Sources: Marangoni
1998; Awad et al. 2003, Transnet-NPA unpublished data 2003-2011). ................... 29
Location of waste water treatment works, sewage pump stations and conservancy
tanks in Saldanha and Langebaan area (2011). ........................................................ 37
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