Changes in prevalence and intensity of infection of Profilicollis altmani (Perry, 1942) cystacanth (Acanthocephala) parasitizing the mole crab Emerita analoga (Stimpson, 1857): an El Niño cascade effect?
Changes in prevalence and intensity of infection of Profilicollis altmani (Perry, 1942) cystacanth (Acanthocephala) parasitizing the mole crab Emerita analoga (Stimpson, 1857): an El Niño cascade effect?
Prevalence and intensity changes in cystacanths of the acanthocephalan Profilicollis altmani parasitizing the mole crab Emerita analoga under El Niño (EN) and non-El Niño (non-EN) conditions are analyzed. Both, mean
intensity and prevalence of infection by P. altmani differ significantly for the whole size range and for each size class of 10 mm intervals (except prevalence for size classes exceeding 18 mm carapace length) between EN (1998) and non-EN (2002) years, without observed size distribution
differences in the intermediate host E. analoga under either condition. Significant difference in infestation rates of the intermediate host E. analoga is discussed as being an EN cascade effect on predators such as sea birds (i.e., Larus spp. and Calidris sp.), acting as definitive hosts of P. altmani, and which are known to decrease significantly in abundance during EN.
S57-S62
Oliva, M.E.
77a5f073-8375-4015-9f97-be095e7f44ba
Barrios, I.
669e5b87-0595-470f-a08b-0d362c255112
Thatje, S.
f1011fe3-1048-40c0-97c1-e93b796e6533
Laudien, J.
f78f1204-92a6-4178-a00d-6ca1a5b55ea2
19 January 2008
Oliva, M.E.
77a5f073-8375-4015-9f97-be095e7f44ba
Barrios, I.
669e5b87-0595-470f-a08b-0d362c255112
Thatje, S.
f1011fe3-1048-40c0-97c1-e93b796e6533
Laudien, J.
f78f1204-92a6-4178-a00d-6ca1a5b55ea2
Oliva, M.E., Barrios, I., Thatje, S. and Laudien, J.
(2008)
Changes in prevalence and intensity of infection of Profilicollis altmani (Perry, 1942) cystacanth (Acanthocephala) parasitizing the mole crab Emerita analoga (Stimpson, 1857): an El Niño cascade effect?
Helgoland Marine Research, 62 (Suppl 1), .
(doi:10.1007/s10152-007-0082-7).
Abstract
Prevalence and intensity changes in cystacanths of the acanthocephalan Profilicollis altmani parasitizing the mole crab Emerita analoga under El Niño (EN) and non-El Niño (non-EN) conditions are analyzed. Both, mean
intensity and prevalence of infection by P. altmani differ significantly for the whole size range and for each size class of 10 mm intervals (except prevalence for size classes exceeding 18 mm carapace length) between EN (1998) and non-EN (2002) years, without observed size distribution
differences in the intermediate host E. analoga under either condition. Significant difference in infestation rates of the intermediate host E. analoga is discussed as being an EN cascade effect on predators such as sea birds (i.e., Larus spp. and Calidris sp.), acting as definitive hosts of P. altmani, and which are known to decrease significantly in abundance during EN.
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Published date: 19 January 2008
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Local EPrints ID: 50403
URI: http://eprints.soton.ac.uk/id/eprint/50403
ISSN: 1438-387X
PURE UUID: b3f38cfc-5c48-4a3b-b46a-70a8fe491a0e
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Date deposited: 25 Feb 2008
Last modified: 15 Mar 2024 10:06
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Author:
M.E. Oliva
Author:
I. Barrios
Author:
S. Thatje
Author:
J. Laudien
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