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Photographer's Note

It’s a while since I’ve posted a landscape photograph from Namibia. Last weekend we had a quick trip away to the coast and as usual we visited one of my favourite places – the salt pans! Depending on the weather and season the man-made pans, which link up with the natural lagoon, can be grey and desolate or brilliantly colourful. We were in luck, the evaporation ponds were tinted pink. In this shot you can see a narrow road running between the salt pan and the lagoon. Salt is crystallizing through evaporation and is exposed in the algae-rich sea water.

Walvis Bay has one of the largest salt works in Africa. The seawater is fed into large ponds, which gradually dry out through natural evaporation. The colour indicates the salinity of the ponds. Micro-organisms change their hues as the salinity of the pond increases. In low to mid-salinity ponds, green algae are predominant. In middle to high salinity ponds, an algae called Dunaliella salina shifts the colour to red. The salt fields of Walvis Bay cover an area of 3 500 hectares and annually produce 400 000 tons of high-quality salt. This successful commercial enterprise also provides an ideal habitat for many species of marine birds.

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This photograph is copyright of Rosemary Walden - © Rosemary Walden 2015. All rights reserved. Any redistribution or reproduction of the image in any form is prohibited. You may not, except with my express written permission, copy, reproduce, download, distribute or exploit the content. Nor may you transmit it or store it in any other website or other form of electronic retrieval system

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Additional Photos by Rosemary Walden (SnapRJW) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2818 W: 85 N: 6957] (31629)
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