Freshwater Update 81 brings you the latest information from our Freshwater & Estuaries Centre, with articles ranging from how NIWA scientists are solving the longfin eel migration mystery, how we're taking you diving with us at Fieldays, and a word from one of the editors of the new Lakes Restoration Handbook.

In this issue

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    Environmental report calls attention to the need for more research on water quality

    The quality of New Zealand’s waterways features prominently in a newly released report on the state of our environment - an opinion editorial by NIWA Chief Scientist of Freshwater and Estuaries, Scott Larned.
  • Scientists look to solve the longfin eel's breeding ground mystery

    NIWA freshwater scientists are pinning their hopes of solving an age-old mystery on 10 female longfin eels who have now begun an epic journey to their spawning grounds somewhere in the Pacific Ocean.
  • National standards for discrete water quality sampling released

    The long awaited National Environmental Monitoring Standard (NEMS) for Discrete Water Quality was released in March, contributing to the wider suite of existing Standards that collectively seek to improve national consistency in environmental monitoring.
  • The new Lake Restoration Handbook - A New Zealand perspective

    The Lake Restoration Handbook: A New Zealand Perspective addresses this need through a series of chapters that draw on recent advances in modelling and monitoring tools, citizen science and First Peoples’ roles, catchment and lake-focused restoration techniques, and policy implementation.
  • Sediment fingerprinting determines sources of erosion

    NIWA scientists have used two sediment ‘fingerprinting’ techniques to identify the contribution of the major sediment sources by erosion processes and land use in an Auckland catchment.