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doi: 10.1038/069489a0
IN a letter in NATURE of March 17 Prof. Herdman mentions that “the plaice in the open-air ponds at the Port Erin Biological Station started spawning on March 3, and those at the Piel (Lancashire) Sea Fish Hatchery (under cover) on March 1.” He would like to know how this record compares with that of fish in the sea. As the professor, suggests that “probably the officials of the International Investigation will be able to speak as to the condition in the North Sea and ... English Channel,” I herewith state my experience.
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