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2009-11-25
Опубликовано на SciPeople2009-11-25 18:51:18
ЖурналJournal of Invertebrate Pathology
Seasonal dynamics of endosymbiotic ciliates and nematodes in Dreissena polymorpha
Journal of Invertebrate Pathology (2003) Volume 83: 73–82
Аннотация
We report the results of a two-year study in the Svisloch River (Minsk, Belarus) on the dynamics of infection in Dreissena
polymorpha by nematodes and three ciliate species Conchophthirus acuminatus, Ophryoglena sp., and Ancistrumina limnica. Although
these endosymbionts were present in most of the samples, their prevalence and infection intensity differed significantly. C. acuminatus
and A. limnica infection intensities in both years of the study had a maximum in summer and were positively correlated with
water temperature. In contrast, Ophryoglena sp. and nematode infection intensities were considerably lower in summer versus winter
and were negatively correlated with temperature. In the first long-term study to monitor the size and reproductive rate of C. acuminatus,
we found that mean length was negatively correlated with temperature and that temperature was positively correlated with
asexual reproduction, with a peak of cell division in April as water temperatures increased.
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WJV-48941DG-5&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1109800978&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=aa4334354e7b598e6c47c22ac99486d7
Karatayev et al. 2003 Seasonal Dynamics.pdf 430,6 Kb
Karatayev et al. 2003 Seasonal Dynamics.pdf 430,6 Kb
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