Relationship between temperature and cyanobacterial recruitment from sediments in laboratory and field studies

Huansheng Cao, Yi Tao, Fan Xiang Kong, Zhou Yang

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Cyanobacterial recruitment from sediments and its driving factors were studied in both a laboratory simulation and a field study in Lake Taihu (China) during March through June 2004. Microcystis aeruginosa constituted 95% of the cyanobacteria in the laboratory and field samples. In the laboratory, senescent cyanobacteria renewed growth between 5 °C and 9 °C and started recruitment to the water column at 14°C, while in Lake Taihu they simultaneously grew and left the sediment surface at 9 °C. We found a close correlation between algal recruitment and cumulative temperatures, in terms of the sum of effective temperatures, both in the laboratory simulation and the field study. Because recruitment is the result of algal growth, we assume cumulative temperature only indirectly drove cyanobacterial recruitment but directly promoted cyanobacterial growth to reduce ballast.

Original languageEnglish (US)
Pages (from-to)405-412
Number of pages8
JournalJournal of Freshwater Ecology
Volume23
Issue number3
DOIs
StatePublished - Jan 1 2008
Externally publishedYes

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sediments
sediment
temperature
heat sums
Cyanobacteria
cyanobacterium
lakes
Microcystis aeruginosa
lake
simulation
water column
laboratory
field study
China
water
sampling

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

Cite this

Relationship between temperature and cyanobacterial recruitment from sediments in laboratory and field studies. / Cao, Huansheng; Tao, Yi; Kong, Fan Xiang; Yang, Zhou.

In: Journal of Freshwater Ecology, Vol. 23, No. 3, 01.01.2008, p. 405-412.

Research output: Contribution to journalArticle

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