Last year, the Murray - Darling Basin Authority recommended a reduction in environmental flows of 70 gigalitres per year from the Darling River catchments, including a reduction of environmental flows to the internationally important
Macquarie Marshes, which the study shows have also suffered a long - term decline in waterbird numbers across most species.
If any water bird breeding events start in
the Macquarie Marshes, environmental water could be used to continue these events, which may take several months to complete.
Information collected from the monitoring will inform adaptive environmental water management in
the Macquarie Marshes and at other important waterbird locations across the basin.
Additionally, Local Engagement Officers, other Commonwealth Environmental Water Office staff and State and local water delivery partners are working with the Ta - Ru Lands Board of Management, Narri Narri and Murray Lower Darling Rivers Indigenous Nations, and Ngiyampaa Wayilwan in
the Macquarie Marshes.
The Macquarie Marshes is one of four priority research sites for the Murray - Darling Basin Environmental Water Knowledge and Research Project (MDB EWKR).
A combination of Commonwealth and New South Wales environmental water has been delivered to the Macquarie River and
Macquarie Marshes since 2009 - 10, which has helped to support the inundation of core wetland areas and supported vegetation, fish and waterbirds.
Right: Ibis chick and eggs in
the Macquarie Marshes — October 2016.
The Macquarie Marshes are one of the largest and most important wetlands in the Murray - Darling Basin.
Environmental water was delivered in winter 2017 to provide a pre-wetting flow pulse to
the Macquarie Marshes to prime the system for the delivery of environmental water in late winter and spring.
Between 24 January and 18 February 2017, 17,039 ML of Commonwealth environmental water was delivered in conjunction with 29,374 ML of NSW environmental water to
the Macquarie Marshes to support the completion of a naturally triggered colonial waterbird breeding event.
«Environmental watering plays a critical role in helping protect and restore wetlands in the Basin, including iconic wetlands of international importance such as the Coorong, Lower Lakes and Murray Mouth, Narran Lakes,
Macquarie Marshes, Hattah Lakes.
Between 6 August and 17 October 2015, 12,114 ML of Commonwealth environmental water was delivered in conjunction with 40,440 ML of NSW environmental water to provide two flow pulses to the Northern and Southern
Macquarie Marshes.
See also: Joint Commonwealth Environmental Water Office and NSW Government media release — Thousands of waterbirds return to
the Macquarie Marshes
Between 4 and 12 April 2017, 2,648 ML of Commonwealth environmental water was delivered in conjunction with 3,833 ML of NSW environmental water to the mid-Macquarie River and
Macquarie Marshes to provide opportunities for the post-spawning dispersal of native fish, including golden, silver and spangled perch.
Between 16 April and 15 May 2017, 27,583 ML of Commonwealth environmental water was delivered to the lower Macquarie River to provide connection from to the Barwon River, via the mid-Macquarie and
Macquarie Marshes.
Not exact matches
In winter and spring 2017, Commonwealth and NSW environmental water was delivered to the mid-
Macquarie River and
Marshes to continue building resilience in the
Macquarie catchment, and to support further recovery in the system.