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DAO 45:69-71 (2001)
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Abstract
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Long-term monitoring on the occurrence of a myxosporean parasite Kudoa camarguensis (Myxosporean) on the common goby (Teleostei, Pisces) Pomatoschistus microps
C. Pampoulie1,2,3,*, A. Marques4, E. Rosecchi1, J. L. Bouchereau5, A. J. Crivelli1
1Station biologique de la Tour du Valat, Le Sambuc, 13200 Arles, France
2Laboratoire Ecosystèmes Lagunaires, Université Montpellier II, Sciences et Techniques du Languedoc, CC093, Place E. Bataillon, 34095 Montpellier cedex 5, France
3KU Leuven, Laboratory of Aquatic Ecology, Ch. de Bériotstraat 32, 3000 Leuven, Belgium
4Laboratoire de Parasitologie et Immunologie, Université Montpellier II, Sciences et Techniques du Languedoc, Place E. Bataillon, 34095 Montpellier cedex 5, France
5Université des Antilles et de la Guyane, Faculté des Sciences exactes et Naturelles, Laboratoire de Biologie Animale, Guadeloupe, BP 592, 97159 Pointe-à-Pitre cedex, France
*E-mail: pampoulie@univ-montp2.fr
ABSTRACT: The evolution of a host-parasite system composed of Pomatoschistus microps-Kudoa camarguensis was investigated in the Vaccarès lagoon (Rhône river Delta, France) from 1993 to 1997. During this long-term monitoring, centennial flooding of
the Rhône river occurred, leading to an inrush of about 110 million m3 of freshwater in the Vaccarès lagoon. The salinity drastically dropped from 14 to 5 g l-1 in 1 wk. We observed that the annual prevalence and abundance
of the myxosporean parasite decreased from 12.18 in 1993 to 3.7% in 1997 and from 1.10 in 1993 to 0.27 in 1997, respectively. Here, we discuss the possible reasons for the rapid decline of this host-parasite system following the flood.
KEY WORDS: Myxosporea · Kudoa · Prevalence · Abundance · Salinity stress
Full text in pdf format
Published in DAO Vol.
45, No. 1
(2001) on May 4
ISSN: 0177-5103.
Copyright © Inter-Research, Oldendorf/Luhe, 2001
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