Southern, warm-water species on rocky shores in the UK have increased in abundance and range with rising temperatures (e.g. purple acorn barnacle has extended its range by 170 km since the mid 1980s), whilst northern, cold-water species (e.g. common tortoiseshell limpet) have decreased in abundance.
Continued extension and retraction of ranges with rising temperatures of southern and northern species respectively.
Some new species will become established whilst others will disappear from our shores.
MEDIUM
MCCIP derived these headlines from the information supplied in the following reports, which provide a more comprehensive review of scientific understanding in this field.
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