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On the timing and duration of foraging in Onchidella celtica

On the timing and duration of foraging in Onchidella celtica
On the timing and duration of foraging in Onchidella celtica
Time-lapse photography was used to study the timing and duration of foraging activity of a population of the pulmonate gastropod Onchidella celtica on an exposed rocky shore in Cornwall, UK. The pulmonates spent most of their time in their home crevice, emerging onto open rock only during some ebb tides to forage for food and find a mate. Total duration and speed of foraging was highly variable and did not generally conform to a triphasic pattern. The number foraging was also highly variable and was not correlated significantly with the spring/neap tide cycle or weather (air temperature above 12°C, air pressure, solar radiation, precipitation, relative humidity and wind speed). There was a significant negative correlation between foraging and surf height. Although the pulmonates foraged during all hours of the day/night cycle, foraging activity tended to be highest during the afternoon and evening.
0025-3154
1-9
Kent, R.M.l.
55368dfc-dd48-4ae5-b2e7-c14db7c16bc2
Hawkins, S.J.
758fe1c1-30cd-4ed1-bb65-2471dc7c11fa
Kent, R.M.l.
55368dfc-dd48-4ae5-b2e7-c14db7c16bc2
Hawkins, S.J.
758fe1c1-30cd-4ed1-bb65-2471dc7c11fa

Kent, R.M.l. and Hawkins, S.J. (2018) On the timing and duration of foraging in Onchidella celtica. Journal of the Marine Biological Association of the United Kingdom, 1-9. (doi:10.1017/S0025315418000103).

Record type: Article

Abstract

Time-lapse photography was used to study the timing and duration of foraging activity of a population of the pulmonate gastropod Onchidella celtica on an exposed rocky shore in Cornwall, UK. The pulmonates spent most of their time in their home crevice, emerging onto open rock only during some ebb tides to forage for food and find a mate. Total duration and speed of foraging was highly variable and did not generally conform to a triphasic pattern. The number foraging was also highly variable and was not correlated significantly with the spring/neap tide cycle or weather (air temperature above 12°C, air pressure, solar radiation, precipitation, relative humidity and wind speed). There was a significant negative correlation between foraging and surf height. Although the pulmonates foraged during all hours of the day/night cycle, foraging activity tended to be highest during the afternoon and evening.

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More information

Accepted/In Press date: 26 January 2018
e-pub ahead of print date: 9 March 2018

Identifiers

Local EPrints ID: 421610
URI: http://eprints.soton.ac.uk/id/eprint/421610
ISSN: 0025-3154
PURE UUID: 95ab5ef8-8471-459b-8315-31edf74c1e35

Catalogue record

Date deposited: 15 Jun 2018 16:31
Last modified: 27 Apr 2022 10:03

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Contributors

Author: R.M.l. Kent
Author: S.J. Hawkins

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