At low water on a spring tide the shore opens up like a cupboard: weed-draped rocks, pools full of winkles, limpets clamped to every boulder, the keyhole marks of razor clams in the sand, and mussels in black beds along the gullies. The coast is one of the richest places in Britain to find food, and one of the few places where calories and protein can be gathered without a…
In this lesson
Coastal plants: sea beet, samphires and scurvy grass
Seaweeds
Shellfish: rights and rules
Shellfish safety: biotoxins, red tides and sewage
Why filter feeders are different
Algal poisons
Reducing the risk
Rock pools and the shore: crabs, limpets, winkles and razor clams
Common mistakes
Check yourself
Key points
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The rest of this lesson is in the full course
Every module, practical and exam, self-paced and private, with a certificate at the end.
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