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  2. Domoic acid - Wikipedia

    en.wikipedia.org/wiki/Domoic_acid

    Domoic acid (DA) is a kainic acid-type neurotoxin that causes amnesic shellfish poisoning (ASP). [1] It is produced by algae and accumulates in shellfish , sardines , and anchovies . When sea lions, otters, cetaceans, humans, and other predators eat contaminated animals, poisoning may result.

  3. Amnesic shellfish poisoning - Wikipedia

    en.wikipedia.org/wiki/Amnesic_shellfish_poisoning

    Amnesic shellfish poisoning (ASP) is an illness caused by consumption of shellfish that contain the marine biotoxin called domoic acid. [1] In mammals , including humans, domoic acid acts as a neurotoxin , causing permanent short-term memory loss , brain damage , and death in severe cases.

  4. Pseudo-nitzschia - Wikipedia

    en.wikipedia.org/wiki/Pseudo-nitzschia

    The diatom lineage may go back 180 to 250 million years ago (Mya). About 65 Mya, diatoms survived a mass extinction in which roughly 85% of all species perished. [6] Until 1994, the genus was known as Nitzschia, but was changed to Pseudo-nitzschia because of the ability to form chains of overlapping cells, as well as other minor morphological differences. [8]

  5. Outbreak of neurotoxin killing unprecedented number of sea ...

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    Unprecedented deaths of sea lions along California's Central Coast

  6. Pseudo-nitzschia australis - Wikipedia

    en.wikipedia.org/wiki/Pseudo-nitzschia_australis

    Domoic acid (DA) is a neurotoxin known to cause Amnesic Shellfish Poisoning (ASP) in humans and other predators that consume contaminated aquatic organisms that have consumed P. australius. [16] DA has been isolated in several species of red algae, but is produced mostly by members of the Pseudo-nitzschia genus. Chemical structure of domoic acid

  7. For California marine mammals, toxic algae bloom is a mass ...

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    As peak beach season and the Fourth of July holiday approach, California officials and experts are warning about an unprecedented die-off of sea lions.

  8. Glossary of geology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geology

    Also called Indianite. A mineral from the lime-rich end of the plagioclase group of minerals. Anorthites are usually silicates of calcium and aluminium occurring in some basic igneous rocks, typically those produced by the contact metamorphism of impure calcareous sediments. anticline An arched fold in which the layers usually dip away from the fold axis. Contrast syncline. aphanic Having the ...

  9. Glossary of geography terms (A–M) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geography_terms...

    This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic ...

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