Document Detail


Dynamics in space and time of four testate amoebae (Difflugia spp.) co-existing in the zooplankton of a reservoir in southern China.
MedLine Citation:
PMID:  21602035     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We studied a long time series of the dynamics in space and time of four species of Difflugia (thecamoebae) that co-exist in the pelagic plankton of Liuxihe Reservoir, an oligo-mesotrophic impoundment in southern China, during 8-9 months ("summer" form March to November), and retreat to the benthos during the rest of the year ("winter"). We discuss the reasons for the winter retreat, and suggest that predator evasion may be involved, although temperature-linked physiological effects (like the rate of gas bubble production) appear more probable. Clear diel vertical migration of Difflugia was not observed, but patchiness was common. We found no evident lake edge-effects in the spatial pattern either, but the abundances were strongly influenced by trophic conditions and increased by up to one order of magnitude in the upstream, eutrophic sections of the reservoir.
Authors:
Bo-Ping Han; Tian Wang; Lei Xu; Qiu Qi Lin; Henri J Dumont
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-20
Journal Detail:
Title:  European journal of protistology     Volume:  -     ISSN:  1618-0429     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8917383     Medline TA:  Eur J Protistol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier GmbH. All rights reserved.
Affiliation:
Institute of Hydrobiology, Jinan University, Guangzhou 510632, China.
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