Rakali Research in Bayside. Bayside City Council Municipal Map.
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Transcript of Rakali Research in Bayside. Bayside City Council Municipal Map.
![Page 1: Rakali Research in Bayside. Bayside City Council Municipal Map.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649cbe5503460f94984077/html5/thumbnails/1.jpg)
Rakali Research in
Bayside
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Bayside City Council Municipal Map
Bayside
Melbourne
Port Phillip Bay
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Bayside Characteristics
17 kilometres of coastline comprised mainly of cliffs & bluffs
with sandy beaches interspersed between rocky headlands.
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Rakali Research in Bayside - 1996Broad general fauna survey conducted in Bayside in 1996recommended that further survey work be carried out along the coast to assess distribution and numbers of Rakali within Bayside.
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Survey Methods • 17 kilometres of foreshore divided into 4 study areas (Brighton, Hampton, Black Rock & Beaumaris);
• 50 cage traps - baited with pilchards;• One study area trapped each week;• Traps checked twice a day (dawn &
dusk);• No trapping conducted over
weekends due to high foreshore usage.
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Rakali Habitat in Bayside• Rakali do not tend to be found where there are wide
sandy beaches;• Often seen near inter-tidal reefs & stormwater drains;• Forage along the strand-line.
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Rakali Habitat in BaysideSandringham Yacht Club and Royal Brighton Yacht Club
have associated rocky breakwaters which provide vital
habitat for Rakali in Bayside.
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Rakali Habitat in Bayside• Generally Rakali are found in the northern end of Bayside;• Rocky protection walling & groynes seem to provide ideal habitat
for Rakali, especially when adjacent to areas vegetated with Coast Salt-bush (Atriplex cinera).
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Rakali Research in Bayside - 1998• First trapping survey of Rakali in 1998;• 17 Rakali trapped & released over two
4-week trapping periods;• 16 Rakali trapped in Brighton;• 1 Rakali trapped in Sandringham;• Rakali report with management
recommendations produced & endorsed by Council in 1999.
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Trapped!
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Rakali Research in Bayside - 2000• Second trapping survey of Rakali;• Trap & release permit includes
micro-chipping individuals for future identification;
• 7 Rakali trapped, micro-chipped & released over one 4-week period;
• First juvenile Rakali record & first Rakali trapped in Beaumaris.
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Survey Methods• Repeat of methods used in 1998;• Additional permit obtained to micro-chip Rakali;• Permit required Ethics Committee Approval, provided by
Monash University (Clayton Campus) Biological Sciences Department;
• Micro-chipping provided free-of-charge by Dr Alan Sherlock from Central Veterinary Hospital, Sandringham.
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Survey Results - Example of Data SheetLOCATION (incl. GPS reading) DATE WATER RATS TRAPPED MICROCHIP
NUMBERWATER RATSOBSERVED
Opp. Chatsworth St, BrightonGPS locationS 37'53.851' E144'59.157'
3.10.00 Female H. chrysogaster650 grams
ID no: 000213D274
Opp. Dawson Ave, BrightonGPS locationS 37'53.851' E144'59.157'
4.10.00 Female H.chrysogaster 490grams
ID no: 0005FD595D
Green Point, HamptonGPS location TBA
6.10.00 Male H.chrysogaster 680 grams ID no: 0005FE5365
Opp. Chatsworth St, BrightonGPS locationS 37'53.851' E144'59.157'
10.10.00 Male H. chrysogaster (poss.juvenile), 620 grams
ID no: 000213BFB2
Sandringham breakwaterGPS location TBA
10.10.00 Female H.chrysogaster 700grams
ID no: 000215203B
Hampton Beach 10.10.00pm
On groyne opp.Small Street
Sandringham breakwaterGPS location TBA
12.10.00 Male H. chrysogaster865 grams
ID no: 00021407B6
Half Moon Bay 19.10.004.30am
Swimmingunderneath jetty
Seawall south of Beaumaris SeaScouts buildingGPS location TBA
24.10.00 Juvenile H.chrysogaster (sex ?),150 grams
ID no: 000601DF1E
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Footprints
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Feeding platforms
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Rakali Research in Bayside - 2003• 13 Rakali trapped &
released over one 3-week period;
• 10 Rakali micro-chipped, one tagged individual re-captured;
• Rakali Management Report endorsed by Council in 2004.
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Survey Methods• Repeat of methods used in 1998 & 2000;• Additional permit obtained to micro-chip Rakali;• Permit required Ethics Committee Approval, provided by
Department of Sustainability & Environment;• Micro-chipping provided free-of-charge by Dr Alan Sherlock
from Central Veterinary Hospital, Sandringham.
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Some Bayside locals...
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Rakali Management Recommendations in Bayside• Bayside City Council should take appropriate actions to
conserve & attempt to increase the Rakali population within Bayside;
• Survey Elster Creek (Elsternwick Golf Course) for Rakali;• Limit vermin control on the foreshore to live capture traps -
preferably no rodentcides to be used within 10 metres of the high water mark;
• Protection from predators - foxes & cats;• Protection of habitat.
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Proposed Rakali Research in Bayside - 2005• Radio tracking to determine exact habitat being utilised for
burrows - nesting and breeding - to allow for more effective management & protection of Rakali;
• Joint survey work with Kingston City Council & Earthcare St Kilda;
• Potential to use data collected to contribute towards developing local planning policies to protect local biodiversity.
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Rakali Publicity, Community Involvement & ‘Rikki Rakali’!• Installation of interpretative signage at known Rakali areas -
Brighton and Sandringham;• The word ‘Rakali’ used instead of ‘Water Rat’;• Fact sheets handed out to all foreshore groups & clubs;• ‘Rikki Rakali’ visits local schools & community events -
Mayor’s annual children’s picnic, Bayside Christmas Carols, Bright ’n’ Sandy Festival, Benalla & District Environment Group Rakali Project Launch and Earthcare Rakali Symposium.
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‘Rikki Rakali’ - out & about...
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Rikki Rakali & ‘Catchment Care’
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The Future...
• Bayside City Council building relationships with various organisations & groups to share information & knowledge on Rakali habitat, behaviour & ecology.