Cell Descriptions - South East Natural Resources Management Board

SE9 – Lake St George, Lake St Clair, Beachport
Component Issue Proposed Action Priority of Key Players
Action
Coastal dunes
and lake edges
immediately
north of
Beachport CP,
and between
Euro Point
and Lake
George
Beachport to
Nora Creina
dunes and
headlands.
Low lying
trough
between
Guichen and
Rivoli Bay,
including
Lakes George,
St Clair and
Eliza
Lake George
and Lake St
Clair
These include vegetated
dunes and an area of M.
halmaturorum of high
conservation value,
bounded by the park and
drifting sand dunes.
Threatened by ORV
activity and sand drift.
ORV damage
widespread.
Aggressive weeds
recorded at isolated
locations in the dunes
throughout the cell.
Lidar survey suggests
possible flooding by
continuing and
accelerating sea level rise
within planning
timeframes.
Sediment blocking the
marine connection to
Lake George (together
with low flows via Drain
M) has led to periods of
eutrophication; this
threatens valuable
lakeside habitats.
Climate change threatens
water levels in both
lakes, salinity and
sedimentation.
DENR to discuss
preservation of this
area with the
landowner, by
inclusion within the
park or by heritage
agreement.
Support local effort to
close damaging
informal tracks is
important in this cell.
Eradication should be
considered for those
with limited
distribution at present.
Regular monitoring
for alert weeds, listed
in Section 4.9.
Scoping of timelines
and implications for
possible adaptation of
infrastructure, and
vulnerable habitats.
Build higher storm
tide level into adaptive
management of gate at
Lake George entrance.
1. As a temporary
measure ensure
marine connection
through grading/
dredging.
2. Establish a review
of the management of
the outlet, in view of
the conservation
values of the lake and
its surrounds and sea
level rise.
3. Establish
monitoring baselines
for water levels in
both lakes, salinity,
and sedimentation.
Medium
(Cons)
High
(Cons/
Threat)
Medium
(Cons/
threat
Medium
(cell)
Medium
(cell)
Landowners,
DENR
Landowners,
NRM, DENR
DENR, NRM,
landowners
DPC, DENR,
Councils, NRM,
DPLG
SEWCDB,
DENR,.NRM
Limestone Coast and Coorong Coastal Action Plan 353