ALGAL DISTRIBUTION IN A SMALL, INTERMITTENT STREAM RECEIVING ACID MINE‐DRAINAGE

Andrew J. Lampkin, Milton R. Sommerfeld

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Lynx Creek, a small intermittent creek in the Bradshaw Mountains of Arizona, is subjected to drainage from an abandoned copper mine. The mine‐drainage decreases the pH of the Creek about three units and greatly increases sulfate and heavy metal concentrations. Chemical recovery of the Creek occurs downstream through precipitation of metal hydroxides and dilution by tributaries. Changes in Creek chemistry are accompanied by changes in algal flora. Above the mine and downstream after substantial recovery, the flora is dominated by Tribonema affine4, Achnanthes spp., and Synedra ulna and several zygnematacean species. In the mine seep entering the Creek and in the Creek just below the seep the flora is reduced in species richness and dominated in abundance by Microthamnion kuetzingianum and Eunotia tenella.

Original languageEnglish (US)
Pages (from-to)196-199
Number of pages4
JournalJournal of Phycology
Volume18
Issue number2
DOIs
StatePublished - 1982

Keywords

  • acid mine‐drainage.
  • algal distribution

ASJC Scopus subject areas

  • Aquatic Science
  • Plant Science

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