Toxin levels put North Coast clam digs on hold yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
Shellfish biologist explains high acid levels in Clatsop Beach razor clams
SALEM, Ore – The high level of domoic acid in Clatsop Beach razor clams is due to a perfect storm of harmful algal blooms (HABs), weather, ocean currents, and the clams’ own physiology. A lack of available food for the clams, a common phenomenon in fall and winter, is also to blame.
HABs are colonies of phytoplankton that grow out of control and produce toxins, including domoic acid which can accumulate in shellfish and can cause amnesic shellfish poisoning in people who consume the contaminated shellfish.
Matt Hunter, ODFW’s Shellfish Project Leader explained the problem began when a late September “stall” in ocean current and winds caused an offshore HAB. This stall resulted from the coastal current remaining southward instead of the fall transition northward and weak but predominant winds from the north rather than from the south.
Come pulire la cover trasparente del cellulare zazoom.it - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from zazoom.it Daily Mail and Mail on Sunday newspapers.
Fri Dec 19 2014 at 20:17:06
I ve been digging, cleaning, cooking and eating Razor Clams for over half a century, but I am not a biologist, so for those interested in detailed scientific and taxonomic information I have provided source links at the end of this article.
Where are the valves on a skeleton?
Their shells are not a pretty shape like the Cowry s, or iridescent like an Abalone s; these are not shells to be prized and displayed on a shelf or held to one s ear to hear the rush of the ocean. The Razor clam s hinged oblong shells, also known as valves, are part of their exoskeleton. The shells are rather flat and flimsy-looking, and the exterior appears to have been applied with a layer of browning shellac. However: the clams inside are damn good eating, and unlike many smaller clams the Razor is cleaned before it is eaten.
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