Australian
Academy of Science, media
release, 18 February 2019:
Scientists lay out new plan to save the Darling River
Scientists lay out new plan to save the Darling River
Scientists asked to
investigate the fish kills in the Murray-Darling River system in NSW say a
failure to act resolutely and quickly on the fundamental cause—insufficient
flows—threatens the viability of the Darling, the fish and the communities that
depend on it for their livelihoods and wellbeing.
The multidisciplinary
panel of experts, convened by the Australian Academy of Science, also found
engagement with local residents, Indigenous and non-Indigenous, has been
cursory at best, resulting in insufficient use of their knowledge about how the
system is best managed.
The scientists say their
findings point to serious deficiencies in governance and management, which
collectively have eroded the intent of the Water Act 2007 and the
framework of the Murray-Darling Basin Plan (2012).
Chair of the expert
panel, ANU Professor Craig Moritz FAA, said the sight of millions of dead fish
from the three fish kills was a wake-up call.
“To me, it was like the
coral bleaching event for the mainland,” Professor Moritz said.
“Our review of the fish
kills found there isn’t enough water in the Darling system to avoid
catastrophic outcomes. This is partly due to the ongoing drought. However,
analysis of rainfall and river flow data over decades points to excess water
extraction upstream.”
The expert panel
recommends that urgent steps can and should be taken within six months to
improve the quality of water throughout the Darling River.
“That should include the
formation of a Menindee Lakes restoration project to determine sustainable
management of the lakes system and lower Darling and Darling Anabranch,”
Professor Moritz said.
The panel also
recommends a return to the framework of the 2012 Murray Darling Basin Plan to
improve environmental outcomes.
“The best possible
scenario is water in the Darling all the way to the bottom and in most years.
We are hopeful that this could be achieved if the panel’s recommendations are
implemented,” Professor Moritz said.
Australian Academy of
Science President, Professor John Shine, said the scientific advice of the
expert panel is a synthesis of the best available knowledge.
“In undertaking this
body of work the multidisciplinary expert panel has collaborated with other
relevant experts as required and received extensive data from a number of
Federal and State agencies,” Professor Shine said.
These agencies include
the Murray-Darling Basin Authority, the Land and Water Division of the NSW
Department of Industry, the NSW Office of Environment and Heritage, the NSW
Department of Primary Industries, the Queensland Department of Natural
Resources, Mines and Energy, and the Commonwealth Environmental Water Office,
in addition to data and information provided by researchers in many related
fields. The expert panel wishes to acknowledge the cooperation of these bodies
and individuals in promptly providing data.
The expert panel also
operated closely with the Independent Panel to Assess Fish Deaths in the Lower
Darling, initiated by the Government and chaired by Professor Robert Vertessy,
including sharing data and a reciprocal review of findings.
The expert panel report
Read the report: Investigation
of the causes of mass fish kills in the Menindee Region NSW over the summer of
2018–2019
The main findings and
recommendations are in the executive summary. The report was independently
assessed by seven independent peer reviewers, including one international
reviewer.
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