Chapter 6
6 Information base for the
Murray Mouth, Coorong, and Lower Lakes
6.1
Introduction
6.2
Value and condition of the Murray Mouth,
Coorong, and Lower Lakes
6.2.1
Conservation significance
6.2.2
Hydrological and geomorphological
processes
6.2.3
Mouth closure
6.2.4
Waterbirds
6.2.5
Aquatic and riparian plant
communities
6.2.6
Macroinvertebrates
6.2.7
Fish
6.2.8
Algal blooms and water quality
6.2.9
Human use values
6.2.10
Summary of knowledge of the condition of
the Murray Mouth, Coorong, and Lower Lakes
6.3
Factors impacting on environmental
values
6.3.1
Hydrology-degree of change to flows due
to river regulation
6.3.2
Hydrological impact of the
barrages
6.3.3
Impact of altered hydrology on risk of
Mouth closure
6.3.4
Other factors
6.4
Opportunities to meet objectives for
this site
6.4.1
Additional flows to reduce risk of Mouth
closure
6.4.2
Potential for complementary operational
and structural measures
6.4.3
Links between ecological objectives and
management opportunities