Effect of manganese and nickel on growth of selected algae in pH buffered medium

Jeffrey M. Rousch, Milton R. Sommerfeld

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Algal species distribution has frequently been correlated with pH and metal concentrations in streams contaminated by acid mine drainage. To determine if pH or metal is more influential in algal distribution, laboratory experiments were performed using two species of a filamentous green alga (Ulothrix) common in streams receiving acid mine drainage. Algae were exposed in acute toxicity tests to buffered growth media at various controlled pH levels and combinations of Mn and Ni concentrations. The growth of both species was affected by Mn and unaffected by pH levels typical of those in contaminated streams. Our results support the concept that metal concentration may be more influential than pH in determining algal distribution in streams receiving acid mine drainage. Also, we have identified a buffer that may be useful for algal toxicity tests since the buffer was resistant to daily pH drift, allowed formulation of a wide pH range and enabled vigorous growth of the algal species tested.

Original languageEnglish (US)
Pages (from-to)2448-2454
Number of pages7
JournalWater Research
Volume33
Issue number10
DOIs
StatePublished - Jul 1 1999

Fingerprint

Algae
Drainage
Manganese
manganese
nickel
acid mine drainage
alga
Nickel
Toxicity
Acids
toxicity test
Metals
metal
filamentous alga
green alga
toxicity
effect
Experiments
distribution

Keywords

  • Acid mine drainage
  • Algae
  • Buffered media
  • Manganese
  • Nickel
  • pH
  • Ulothrix

ASJC Scopus subject areas

  • Earth-Surface Processes

Cite this

Effect of manganese and nickel on growth of selected algae in pH buffered medium. / Rousch, Jeffrey M.; Sommerfeld, Milton R.

In: Water Research, Vol. 33, No. 10, 01.07.1999, p. 2448-2454.

Research output: Contribution to journalArticle

Rousch, Jeffrey M. ; Sommerfeld, Milton R. / Effect of manganese and nickel on growth of selected algae in pH buffered medium. In: Water Research. 1999 ; Vol. 33, No. 10. pp. 2448-2454.
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