Phytoplankton based assessment of ecological status of Bulgarian lakes and comparison of metrics within the water framework directive

D. Belkinova, J. Padisák, G. Gecheva, S. Cheshmedjiev

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Taxonomic composition and abundance of summer phytoplankton were studied in 78 lakes in Bulgaria. The Hungarian Assemblage index was applied for the first time on various Bulgarian lake types and 27 phytoplankton functional groups were identified. The dominant functional groups differed based on lake type and trophic status. Functional groups’ frequency distribution showed that high relative abundance of assemblages L0, Y, MP, N, E, X3, Xph indicated high or good status, regardless of lake type. S.multaneously undesirable assemblages, linked to the declined water quality, were LM, J. M, S. and H1. We also examined the relationship between the Assemblage index and a number of phytoplankton metrics: Total biomass, % Cyanobacteria, Transparensy, Chlorophyll a, Algal bloom and Algae G.oup Index. The two applied indices (Hungarian Assemblage index and Algae G.oup index) were highly correlated (p

Original languageEnglish
Pages (from-to)83-103
Number of pages21
JournalApplied Ecology and Environmental Research
Volume12
Issue number1
Publication statusPublished - 2014

Fingerprint

algae
phytoplankton
lakes
lake
functional group
water
Bulgaria
alga
algal blooms
Cyanobacteria
water quality
trophic status
chlorophyll
directive
comparison
index
cyanobacterium
relative abundance
summer
biomass

Keywords

  • Algae Group Index
  • Assemblage index
  • Biomass
  • Functional groups
  • Q index

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Agronomy and Crop Science

Cite this

Phytoplankton based assessment of ecological status of Bulgarian lakes and comparison of metrics within the water framework directive. / Belkinova, D.; Padisák, J.; Gecheva, G.; Cheshmedjiev, S.

In: Applied Ecology and Environmental Research, Vol. 12, No. 1, 2014, p. 83-103.

Research output: Contribution to journalArticle

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