File:2008 11 09 bos-sfo 079 (3021777566).jpg
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| Description | Salt ponds in wetlands on the east side of San Francisco Bay. Sea salt is produced by evaporation of still impounded sea water — a process that takes several years. At first the ponds turn green with algae, then red with brine shrimp (the same tiny animals that produce "red tide" in the ocean). They then turn pink, brown or orange as the water finishes evaporating, leaving a thick layer of white salt, which is harvested by special equipment. The ponds are owned and operated by <a href="http://en.wikipedia.org/wiki/Cargill">Cargill</a>, which has owned them since 1978. While the ponds were once rationalized as an agricultural innovation and an economic boon, they are now considered <a href="http://en.wikipedia.org/wiki/Cargill#Filling_of_San_Francisco_Bay_Wetlands">bad for the environment</a>, because they eliminate much of it. San Francisco Bay is among the few wetlands on the otherwise steep and rocky West Coast of the U.S. |
| Date | |
| Source | 2008_11_09_bos-sfo_079 |
| Author | Doc Searls from Santa Barbara, USA |
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This image was originally posted to Flickr by dsearls at https://flickr.com/photos/52614599@N00/3021777566. It was reviewed on 14 May 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| current | 19:14, 14 May 2020 | | 3,264 × 2,448 (4.9 MB) | Evrik (talk | contribs) | Transferred from Flickr via #flickr2commons |
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