PMID: 3746723Aug 1, 1986Paper

Seasonal distribution of thermotolerant free-living amoebae. I. Willard's Pond

The Journal of protozoology
D E Kyle, G P Noblet

Abstract

A quantitative study of the seasonal distribution of thermotolerant (37 degrees C and 45 degrees C), small free-living amoebae (FLA) was conducted in Willard's Pond, a warm, monomictic lake in the Piedmont region of South Carolina. Correlation of physical and chemical parameters with the seasonal distribution was facilitated by partitioning the aquatic ecosystem into benthic, planktonic, and neustonic habitats. Population densities of FLA peaked in late summer in each habitat; however, species composition varied between habitats. Littoral sediment appeared to be the major habitat for FLA, with peaks in populations of Acanthamoeba and Naegleria in August, Hartmannella in July, and Vahlkampfia in May. Populations in profundal sediment underwent dramatic seasonal shifts, apparently in response to the seasonal chemical changes in the hypolimnion. Acanthamoeba was most prevalent in late summer, representing as much as 82% of the FLA in profundal sediment. Distribution patterns and species composition of FLA from surface water were similar to those from littoral sediment; however, a greater percentage of Naegleria was found in surface water. Numerous FLA were isolated from the neustonic community (surface film), and the number of FLA...Continue Reading

References

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Citations

Oct 28, 2010·Parasitology Research·Lauren J StockmanMichael J Beach
Jun 23, 1998·Survey of Ophthalmology·C D Illingworth, S D Cook
Jan 13, 2012·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Sarah K KembleRichard Danila
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Oct 30, 2016·Acta Tropica·Ruqaiyyah SiddiquiNaveed Ahmed Khan
Feb 1, 1991·Australian and New Zealand Journal of Ophthalmology·P R Badenoch
Feb 1, 1987·The Journal of protozoology·D E Kyle, G P Noblet
Apr 1, 2020·Clinical & Experimental Optometry : Journal of the Australian Optometrical Association·Nicole A CarntDebarun Dutta
Mar 1, 1988·Microbiological Reviews·F Marciano-Cabral
Jul 8, 2021·Applied and Environmental Microbiology·Félix BornierXavier Charpentier

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