In this issue, we look at hydro-floating solar plants in northeast Thailand and a recent Cambodian crackdown on land grabbing around the Tonle Sap. We also examine fish-friendly irrigation across the Mekong and the environmental, social and governance outlook for 2022.


Table of Contents

4 Environment
Cambodia Prime Minister cracks down on ‘anarchic’ land grabbing around Tonle Sap

10 Taxonomy (1)
Scientists revise genus of Sisorid catfish

18 Taxonomy (2)
New species of brook loach described from Lao stretch of Sekong River

22 Fishways
Fish-friendly irrigation expands across Mekong region after success with Lao project

26 World Fish Migration Day
Connecting fish, rivers and people

30 Conservation
The evolution of fish conservation in Sakai village in Lao PDR

34 Invasive species
Mekong Delta distribution of invasive alien species from the Amazon

36 Sustainable investment
Outlook for environmental, social and governance investment this year

42 Energy
World’s largest hydro-floating solar plant followed by second in northeast Thailand

46 Prices
FAO Fish Price Index, prices in Thailand and Viet Nam


Download this issue Vol 28, No. 1

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© Mekong River Commission 2022


Editorial Panel:

  • Hak Socheat, Director of Environmental Management Division
  • So Nam, Chief Environmental Management Officer
  • Prayooth Yaowakhan, Ecosystem and Wetland Specialist
  • Lai Tung Quan, Fisheries Management Specialist
  • Nuon Vanna, Fisheries and Aquatic Ecology Officer
  • Ly Kongmeng, Water Quality Officer
  • Chuleekorn Sawettavong, Junior Riparian Professional

Editor: Peter Starr
Graphic Designer: Chhut Chheana

The opinions and interpretation expressed within are those of the authors and do not necessarily represent the views of the Mekong River Commission.