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Aquatic Macroinvertebrate Indicators in the Zawgyi Irrigation Channels and a River in the Central Dry Zone of Myanmar

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  • Nyein Thandar Ko

    (Department of Water Management, Delft University of Technology, Stevinweg 1, 2628CN Delft, The Netherlands)

  • Phil Suter

    (Department of Ecology, Environment and Evolution, La Trobe University, Wodonga, VIC 3690, Australia)

  • John Conallin

    (Institute of Land Water and Society Charles Sturt University, Elizabeth Mitchell Dr., Albury, NSW 2640, Australia
    Department of Water Resources and Ecosystems, IHE Delft, Westvest 7, 2611 AX Delft, The Netherlands)

  • Martine Rutten

    (Department of Water Management, Delft University of Technology, Stevinweg 1, 2628CN Delft, The Netherlands)

  • Thom Bogaard

    (Department of Water Management, Delft University of Technology, Stevinweg 1, 2628CN Delft, The Netherlands)

Abstract

Rivers and wetlands in Myanmar provide essential services to people in terms of transportation, agriculture, fisheries and a myriad of other ecosystem services, all of which are dependent on a healthy ecosystem. Irrigation channels are also an important part of the infrastructure for daily water use in Myanmar. The objective of this research is to describe the aquatic ecosystem of irrigation channels using aquatic macroinvertebrate communities. The research focused on the taxonomic composition of the aquatic macroinvertebrates of the Zawgyi River and the associated irrigation channels in central Myanmar, east of the city of Mandalay. Significant differences between the river and channels, and among individual channels, were shown using an analysis of similarity: Bray–Curtis similarity, a multivariate equivalent of the univariate statistical method of analysis of variance: ANOSIM and an analysis of similarity percentages: SIMPER by Plymouth Routines in Multivariate Ecological Research: PRIMER v6 software. The initial findings suggest that there is a clear separation between macroinvertebrate communities at the morpho-species level of identification between river and irrigation channels, while there is less separation between functional feeding groups (FFG) between them. The lower taxonomic level of discrimination at the family level using a water quality index showed no significant difference between river and channels. The preliminary field results indicate that a recently modified biomonitoring index method could be applied in Myanmar to assess the ecological water quality of the modified river, as well as human-made channels.

Suggested Citation

  • Nyein Thandar Ko & Phil Suter & John Conallin & Martine Rutten & Thom Bogaard, 2020. "Aquatic Macroinvertebrate Indicators in the Zawgyi Irrigation Channels and a River in the Central Dry Zone of Myanmar," Sustainability, MDPI, vol. 12(21), pages 1-17, October.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:21:p:8788-:d:433280
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    References listed on IDEAS

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    1. Barker, Randolph & Molle, François, 2004. "Evolution of irrigation in South and Southeast Asia," IWMI Research Reports H035439, International Water Management Institute.
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