Recruitment dynamics of bloom-forming cyanobacteria in Meiliang Bay of Taihu Lake

Xiaofeng Zhang, Fanxiang Kong, Huansheng Cao, Jiankang Tan, Yi Tao, Meilin Wang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A collection trap was installed on the sediments in Meiliang Bay of Taihu Lake during the period from March to June to investigate the recruitment of phytoplankton, and cyanobacteria in particular. The algal abundance in the trap was monitored, and compared with that in water column and surface sediments. The results showed that the algal recruitment was related to the temperature, irradiance, DO content, and oxidation-reduction potential (ORP) in surface sediment. After over-wintering on the sediments, the colonies of cyanobacteria experienced a prior developmental process before re-invasion of the water column. During the investigation period, the recruitment rates of chlorophyll a and b and PC were 59.84%, 76.83% and 466.98%, and the recruitment amounts accounted for 7.18%, 3.71% and 9.33% of their maximum pelagic counterparts in water column, respectively. These results showed that shallow lake was the important seed bank to the pelagic populations, and water bloom was formed as the result of the recruitment and biomass accumulation of cyanobacteria.

Original languageEnglish (US)
Pages (from-to)1346-1350
Number of pages5
JournalChinese Journal of Applied Ecology
Volume16
Issue number7
StatePublished - Jul 1 2005
Externally publishedYes

Fingerprint

Cyanobacteria
cyanobacterium
algal bloom
lakes
lake
sediments
water column
sediment
traps
water
chlorophyll
seed bank
redox potential
irradiance
biomass production
chlorophyll a
phytoplankton
biomass
temperature

Keywords

  • Bloom-forming cyanobacteria
  • Pigment
  • Recruitment
  • Sediment
  • Taihu Lake

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

Cite this

Recruitment dynamics of bloom-forming cyanobacteria in Meiliang Bay of Taihu Lake. / Zhang, Xiaofeng; Kong, Fanxiang; Cao, Huansheng; Tan, Jiankang; Tao, Yi; Wang, Meilin.

In: Chinese Journal of Applied Ecology, Vol. 16, No. 7, 01.07.2005, p. 1346-1350.

Research output: Contribution to journalArticle

Zhang, X, Kong, F, Cao, H, Tan, J, Tao, Y & Wang, M 2005, 'Recruitment dynamics of bloom-forming cyanobacteria in Meiliang Bay of Taihu Lake', Chinese Journal of Applied Ecology, vol. 16, no. 7, pp. 1346-1350.
Zhang, Xiaofeng ; Kong, Fanxiang ; Cao, Huansheng ; Tan, Jiankang ; Tao, Yi ; Wang, Meilin. / Recruitment dynamics of bloom-forming cyanobacteria in Meiliang Bay of Taihu Lake. In: Chinese Journal of Applied Ecology. 2005 ; Vol. 16, No. 7. pp. 1346-1350.
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