Benthic macroinvertebrate survey 2018-2019 report: Coorong, Lower Lakes and Murray Mouth Icon Site

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Abstract

As part of The Living Murray (TLM) Condition Monitoring Plan (revised), macroinvertebrates and mudflats are annually monitored in the Lower Lakes, Coorong and Murray Mouth Icon site. This report presents the findings from the monitoring carried out in spring/early summer of 2018/19. Data are compared against long-term records from this monitoring, which is now in its 14th year.

The monitoring occurred in December 2018 after drier weather conditions and reduced flows into the Coorong compared to several years with strong flood peaks. The typical gradient of increasing salinities from the Murray Mouth to the southern end of the Coorong persisted, with more brackish/marine salinities near the Murray Mouth, and hypersaline conditions in the South Coorong, which were not as extreme as in earlier monitoring years. Water quality in terms of dissolved oxygen saturation and concentration was good throughout the system...
Original languageEnglish
PublisherFlinders University
Commissioning bodyAustralian Government, Department of Climate Change, Energy, the Environment, and Water
Number of pages52
Publication statusPublished - 2019

Keywords

  • Environmental monitoring
  • Murray River Mouth
  • Coorong
  • Lower Lakes
  • Macroinvertebrates

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