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Cybium,
Revue
Internationale dIchtyologie |
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The value of public sightings recording schemes in relation to the basking shark in the United Kingdom Colin D. SPEEDIE (1) (1) MER
Consultants, College of Falmouth, Killigrew street, Falmouth, TRII 3QS,
ENGLAND. Abstract.
- For a number of years, public sightings recording schemes have been
utilised to gather simple data on occurrences of the basking shark (Cetorhinus
maximus) in the UK, both on a national and local basis. These have
emulated successful cetacean sightings recording schemes involving members
of the public, and are recognised for contributing as much in terms of
public awareness as in overall scientific understanding of the abundance
and distribution of the species. This paper compares three years of results
(1999-2001) obtained from a successful public sightings scheme in the
south-west of England, with a boat based effort-related survey over the
same period. Both sets of data cover the same spatial scale, and offer
a comparison in terms of the incidence of sightings, overall numbers and
temporal and spatial distribution of basking sharks. The results obtained
in each survey have been examined and ways to improve such schemes are
suggested. |
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