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Combining Local Traditional Knowledge and Machine Learning to Predict the Future Safety of Alaskan Shellfish Harvests in a Changing Climate

Principal Investigator
Eran Hood


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Marine shellfish are an important diet and cultural resource for many Alaskans. Harmful algal blooms can produce toxins which accumulate in shellfish and can cause disease and death in consumers. Climate change is predicted to expand the timing and strength of harmful algal blooms which may affect food security for many Alaska Native Tribes and communities. Predicting when the shellfish are safe to consume is a critical component of establishing food security and adapting to climate change. Local traditional knowledge from Tlingit elders indicates that herring spawning events, which typically occur in April or May in Southeast Alaska, provide a warning signal for when to stop harvesting shellfish. The environmental drivers of toxin [...]

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“Alaska Landscape; Credit: John J. Mosesso,USGS.”
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Alaska Landscape; Credit: John J. Mosesso,USGS.
Alaska Landscape; Credit: John J. Mosesso,USGS.


Spatial Services

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  • Alaska CASC
  • National and Regional Climate Adaptation Science Centers



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