List of figures
Figure e.1 -
The location of the six SEAs
Figure e.2 -
Red gum and Giant rush encroaching on Moira grass plains
(photograph: Andrew Tatnell)
Figure e.3 -
Swamp harrier chicks in the Barmah-Millewa Forest in the 2000-01
flood (photograph: I. Stuart)
Figure 1.1 -
Location of the six SEAs. Source: MDBMC (2003).
Figure 1.3 -
Conceptual model of the trend of health in the River Murray System.
Based on Jones, et al. (2002).
Figure 2.1 - Map of
Barmah-Millewa Forest. Source: MDBC.
Figure 2.2 - Site
map of Barmah-Millewa Forest. Source: Dexter et al. (1986).
Figure 2.3 -
Barmah-Millewa River red gum forest vegetation community
(photo: Andrew Tatnell)
Figure 2.4 -
Typical floodplain distribution of Barmah-Millewa Forest vegetation
communities. Adapted from Barmah-Millewa Forum (2000, p.
3).
Figure 2.5 - Area
of Barmah Forest inundated as a function of River Murray
instantaneous flood peak and monthly peak discharge at Tocumwal
(for instantaneous peak discharge) and Yarrawonga (for monthly
total discharge).
Figure 2.6 -
Unseasonal flooding degrades parts of the Barmah-Millewa Forest
(photo: Andrew Tatnell)
Figure 2.7 -
Altered flooding and drying characteristics of the main vegetation
communities in the Barmah Forest. Source: Leitch (1989).
Figure 2.8 - River
red gum and Giant rush encroaching on Moira grass plains
(photograph: Andrew Tatnell)
Figure 2.9 -
Comparison of the natural and current median monthly flows passing
downstream of Yarrawonga. Source: MDBC modelling based on 109 years
of data.
Figure 2.10 -
Comparison of flood categories between natural and current
conditions for downstream of Yarrawonga-109 years of modelled
record.
Figure 2.11 -
Flooding in Barmah Forest (photo: John Baker)
Figure 2.12 -
Yarrawonga Weir releases and Barmah-Millewa Forest environmental
water account, June 2000 - January 2001
Figure 2.13 - Swamp
harrier chicks in the Barmah-Millewa Forest in the 2000-01 flood
(photograph: I. Stuart)
Figure 3.1 -
Gunbower and Koondrook-Perricoota forests. Source: MDBC
Figure 3.2 - River
Murray passing through the Gunbower and Koondrook-Perricoota
forests (photo: John Baker)
Figure 3.3 -
Gunbower Creek (photo: John Baker)
Figure 3.4 - Median
monthly flows in the River Murray at Barmah, in the River Murray at
Torrumbarry Weir, and in the Goulburn River at McCoys
Bridge
Figure 3.5 -
Summary of modelled natural flow data from 109 years of records for
the River Murray at Barmah and downstream of Torrumbarry Weir, and
for the Goulburn River at McCoys Bridge
Figure 3.6 -
Percentiles of natural flow, for the River Murray at Barmah, the
Goulburn River, and the River Murray at Torrumbarry Weir, based on
modelled data
Figure 3.7 -
Shillinglaws Regulator when closed (photograph: supplied by Emer
Campbell, North Central CMA)
Figure 3.8 -
Shillinglaws Regulator when open (photograph: supplied by Emer
Campbell, North Central CMA)
Figure 3.9 - Water
Regime Class (WRC) distribution in the Gunbower Forest
Figure 3.10 -
Vegetation classes in the Gunbower and Koondrook-Perricoota
forests, based on classification scheme of Margules et al
Figure 3.11 -
Vegetation communities found in Gunbower Forest. Source: Marcus
Cooling (Ecological Associates).
Figure 3.12 -
Progressive increase in inundation of Koondrook-Perricoota Forest
for flows of 25 000 L/d, 30 000 ML/d and 35ower
Forest and the Koondrook-Perricoota Forest. Source: unpublished
data supplied by D Leslie, Primary Industries Trading (formerly
State Forests NSW), 2004.
Figure 3.14 -
Relationships between river flow and inundated area for River red
gum areas and total forest in the Koondrook-Perricoota
Forest.
Figure 3.15 -
Volume of storage in each water regime class in the Central
Gunbower Forest (Ecological Associates 2004).
Figure 3.16 -
Cormorant nests in Gunbower Forest, Spring 2003
Figure 3.17 -
Detail of cormorant nest in Gunbower Forest, Spring 2003
Figure 3.18 -
Median monthly flows downstream of Torrumbarry Weir under natural
and current conditions. Source: MDBC.
Figure 3.19 -
Comparison of flood categories between natural and current
conditions for flows passing Torrumbarry Weir - 109 years of
modelled record.
Figure 4.1 - Hattah
Lakes. Source: MDBC.
Figure 4.2 -
Hattah-Kulkyne Lakes Ramsar site. Source: DSE (2003).
Figure 4.3 -
Detailed map of the Hattah Lakes Significant Ecological Asset,
showing the 18 lakes and distributaries from the River
Murray
Figure 4.4 - The
Hattah Lakes (photo: Andrew Tatnell)
Figure 4.5 - The
Hattah Lakes showing the extent of inundation for a 1 in 100 year
flood event
Figure 4.6 -
Critical river flows that connect the River Murray with lakes in
the Hattah Lakes system. Source: Damian Green (pers. comm.,
MDBC).
Figure 4.7 - 1988
and 1993 flooding events in the Hattah Lakes, showing lake levels
before and after flooding.
Figure 4.8 - 1995
and 2000 flooding events in the Hattah Lakes, showing the lake
levels before and after flooding
Figure 4.9 -
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Figure 4.9 -
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Vegetation of the Hattah Lakes system during dry and wet
times
Figure 4.11 -
Messengers Crossing Regulator in the Hattah Lakes system (photo:
Ben Dyer, MDBC)
Figure 4.12 -
Comparison of the natural and current median monthly River MuQna
flows passing downstream of Euston Weir.
Figure 4.13 -
Comparison of flood categories between natural and current
conditions for downstream of Euston Weir-109 years of modelled
record.
Figure 4.14 -
Comparison of flood categories between natural and current
conditions at Balranald on the Murrumbidgee River-109 years of
modelled record.
Figure 5.1 -
Location Chowilla Floodplain (including Lindsay-Wallpolla)
Figure 5.2 - Region
of the Lindsay-Wallpolla and Chowilla floodplain
asset.
Figure 5.3 -
Wallpolla Creek (photo: Julianne Martin).
Figure 5.4 - The
Lindsay River. Snags and faster flowing water are important habitat
for Murray cod (photo: Julianne Martin).
Figure 5.5 - A dry
Lake Limbra in the Chowilla Floodplain (photo: John Baker).
Figure 5.6 -
Location of Chowilla Floodplain. (Source: Sharley and Huggan,
1995, p. 4).
Figure 5.7 -
Inundated floodplain wetlands on the northern part of the Chowilla
Floodplain. (Source: Sharley & Huggan, 1995, p. 10).
Figure 5.8 - River
red gum fringing a creek in the Chowilla Floodplain. (photo: Jason
Higham).
Figure 5.9 - Area
of the Chowilla Floodplain inundated as a function of River Murray
daily discharge at the South Australian border. Data source is
Sharley & Huggan (1995).
Figure 5.10 -
Indicative groundwater profile of hydrology in the vicinity of
Lock 6 weir pool, in addition to vegetation types and
landform.
Figure 5.11 -
Chowilla Floodplain and associated vegetation communities.
Figure 5.12 -
Typical floodplain distribution of River red gum, Black box and
Lignum communities on the lower River Murray floodplain
Figure 5.13 -
Percentage of total River red gum Forest and Black box Woodland on
Chowilla Floodplain inundated as a function of daily discharge in
the River Murray at the South Australian border.
Figure 5.14 -
Effect of River Murray flood magnitude on inundation area of the
nine main vegetation communities on Chowilla Floodplain.
Figure 5.15 -
Historical rainfall and discharge time series related to tree
dieback at Chowilla Floodplain
Figure 5.16 -
Chowilla Floodplain vegetation health map in 2003
Figure 5.17 -
Median monthly flow to South Australia under natural and current
conditions, and the entitlement flow to South Australia
Figure 5.18 -
Comparison of flood categories between natural and current
conditions at SA border-109 years of modelled record
Figure 5.19 -
Percentage of years that flows in the River Murray are exceeded at
Chowilla Floodplain
Figure 5.20 -
Duration of flows in the River Murray at Chowilla
Floodplain
Figure 5.21 - An
example of a preliminary Chowilla Floodplain rehabilitation
priority map showing areas that are likely to respond to
groundwater pumping and environmental flow strategies.
Figure 5.22 -
Monoman Island horseshoe-before watering in October 2003 and after
watering in May 2004
Figure 5.23 -
Monoman Island horseshoe tree and groundwater monitoring
site-before watering in February 2004 and after watering in May
2004
Figure 5.24 -
Surcharging of Lock 5
Figure 5.25 - Flow
to SA, October 2000-January 2001
Figure 5.26 -
Predicted gain in area inundated for nine vegetation communities on
Chowilla Floodplain resulting from enhancement of October and
December 2000 River Murray flood peaks
Figure 5.27 -
Riverbend Caravan Park at Paringa
Figure 5.28 -
Idealised cross-section of Lindsay Island showing landforms,
surface and groundwater sources
Figure 5.29 -
Location and critical river flows for
