Arks wrecked in the Channel (4)

I believe the answer is:

sark

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'the channel' is the definition.
Both the definition and answer are singular nouns.
Maybe you can see a link between them that I can't see?

'arks wrecked' is the wordplay.
'wrecked' indicates anagramming the letters.
'arks' is an anagram of 'SARK'.

'in' is the link.

Can you help me to learn more?

(Other definitions for sark that I've seen before include "Hereditarily-ruled Channel Island" , "One of Channel Isles" , "Island in English Channel" , "Shirt (Sc.); Ch. island" , "See 4 Down" .)

I've seen this clue in the Evening Standard.

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