Written question asked by Barry Field (Conservative), in the House of Commons. It was due for an answer on Tuesday, 20 February 1990. It was answered by David Trippier (Conservative) on Tuesday, 20 February 1990 on behalf of the Department of the Environment.

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Untitled Written question

Question

When Sec of State last commissioned a study into dog whelk population; what signs there are that the TBT ban has led to a recovery of the dog whelk; & to list those areas where dog whelk population is showing a substantial increase.

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Secondary information

Type

Written question

Reference

167 C663-4W;167 c671-2W

Session

1989-90

Subjects

Pollution Nature conservation Pollution control Monitoring Water Research Marine Conservation Society Tributyltin Institute of Biology Plymouth Marine Laboratory Dog whelk