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Linking physiological response and toxin transfer: effects of ocean warming on paralytic shellfish toxins in Concholepas concholepas
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DOI：10.1016/j.hal.2026.103108.png)
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Abstract
En 中文
• Alexandrium catenella produces toxins that are transferred through the benthic food web. • Perumytilus pupuratus and Concholepas concholepas accumulate toxin levels in their tissues that significantly exceed the regulatory limit (800 μg STX eq. kg-1). • C. concholepas uses prey containing paralyzing toxins as a food source. • The distribution of toxins in the tissues of C. concholepas indicates that the most toxic analogues accumulate in the foot of the snails. • The proliferation of A. catenella in southern Chile may have negative ecological and socioeconomic repercussions for coastal areas.
Keywords:
Alexandrium catenella
Concholepas concholepas
paralytic shellfish toxins
toxin accumulation
ocean warming
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