Threats - Enviro

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Transcript Threats - Enviro

This presentation contains 15 species that are
under threat in the Gippsland Lakes catchment.
Prepared for the Love Our Lakes Enviro-Stories Program by PeeKdesigns, 2014
Scientific Name: Cyclodomorphus
praeltus
Type: Reptile
Conservation Status: Critically
Endangered (Vic), Endangered (Aus)
Threats:
Fire
 Loss of habitat from road or other
construction
 Grazing and trampling by horses and
cattle
 Climate change

Photo Source: Zoos Victoria
Scientific Name: Botaurus
poiciloptilus
Type: Bird
Conservation Status: Endangered
(Vic and Aus)
Threats:
 Loss of habitat
 Drainage of wetlands
 Prolonged droughts
Photo Source: birdlife.org.au
Scientific Name: Grevillea celata
Type: Plant
Conservation Status: Vulnerable (Vic
and Aus)
Threats:
Inappropriate fire regimes – frequent
“cool burns” encourage bracken fern
that “out-competes” and “pushes
out” the grevillea
 Road works – threaten roadside
specimens
 Animal foraging – especially insects

Photo Source: Wikipedia
Scientific Name: Sternula nereis
nereis
Type: Bird
Conservation Status: Endangered
(Vic), Vulnerable (Aus)
Threats:

Disturbance of breeding sites by human
activities

Predation from foxes, dogs, cats, black
rats, silver gulls, pacific gulls, harriers
and ravens

High salinity levels in the water can
reduce food supplies
Photo Source: Gippsland Lakes Ministerial Advisory Committee
Scientific Name: Prasophyllum
correctum
Type: Plant
Conservation Status: Endangered
(Vic and Aus)
Threats:
Loss of grassland habitat – known
populations are now restricted to rail
reserves
 Rail reserve management practices
currently threatened remaining
populations

Photo Source: DEPI Victoria
Scientific Name:
Type: Frog
Conservation Status: Vulnerable
(Aus)
Threats:
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Habitat removal, degradation and
fragmentation
Reduction in water quality and
hydrological changes
Disease (chytrid fungus)
Predation by the introduced
Gambusia (mosquito fish), cats or
foxes
Introduction or intensification of
public access to Green and Golden
Bell Frog habitats
Photo: P. Spark
Photo Source: Gippsland Lakes Ministerial Advisory Committee
Scientific Name: Pteropus
poliocephalus
Type: Mammal
Conservation Status: Vulnerable (Vic
and Aus)
Threats:
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Habitat loss has led to fewer roosting
sites and flowering trees
Illegal culling by farmers
Roost disturbance especially during
breeding season
Climate change – heat waves can
lead to stress and death
Pollution in urban areas
Photo Source: PeeKdesigns, K. Coleman
Scientific Name: Dermochelys
coriacea
Type: Reptile
Conservation Status: Critically
Endangered (Vic), Vulnerable (Aus)
Threats:
Commercial fishing – including long
lines, trawling and gill nets
 Coastal development
 Marine debris – especially plastic
bags, styrofoam beads, rope and cord
fragments and fishing line
 Boat strike

2011: The body of an enormous female Leatherback Turtle
was brought to Melbourne Museum after washing up at
Airey’s Inlet. It was only the second Leatherback Turtle to
wash up in Victoria since 1999.
Photo Source: Museum Victoria, V. Scholes
Scientific Name: Macquaria
australasica
Type: Fish
Conservation Status: Endangered
(Vic and Aus)
Threats:
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Changes in water quality
Modification of natural river flows
and temperatures
Spawning failures resulting from
cold water releases from dams
Competition from introduced fish
species such as trout and redfin
perch
Diseases such as EHN (epizootic
haematopoietic necrosis)
Photo Source: dpi.nsw.gov.au, P. Tully
Scientific Name: Burramys parvus
Type: Mammal
Conservation Status: Critically
Endangered (Vic), Endangered (Aus)
Threats:
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Loss of habitat from changes to fire
regimes as well as introduced plants and
animals
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Climate change can affect hibernation
patterns

Snow sports and human activities

Predation from foxes and feral cats

Rat traps and poisoning

Threats to the Bogong moth (preferred
food)
Photo Source: Zoos Victoria, M. West
Scientific Name: Anthochaera phrygia
Type: Bird
Conservation Status: Critically
Endangered (Vic), Endangered (Aus)
Threats:
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Loss, fragmentation and degradation
of habitat from clearing (particularly
Box Gum Grassy Woodlands)

Loss of key habitat tree species

Competition from larger, more
aggressive honeyeaters
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Egg and nest predation
Photo Source: birdsinbackyards.net, C. Tzaros
Scientific Name: Isoodon obesulus
obesulus
Type: Mammal
Conservation Status: Near
Threatened (Vic), Endangered (Aus)
Threats:
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Introduced predators – foxes, wild
dogs and feral cats.
Habitat loss and modification –
clearing land for urban, agricultural
and pastoral uses
Increased fire regimes
Intensive logging practices
Road kill
Photo Source: biosphere.org.au
Scientific Name: Dasyurus maculatus
Type: Mammal
Conservation Status: Vulnerable
(NSW), Endangered (Aust.)
Threats:
Loss, fragmentation and degradation
of habitat
 Accidental poisoning during wild
dog and fox control programs
 Competition with introduced
predators such as cats and foxes

Photo Source: J. Evans
Scientific Name: Lathamus discolor
Type: Bird
Conservation Status: Endangered
(Vic and Aus)
Threats:
Loss of habitat through clearning for
agriculture and urban development
 Collision with wire netting fences,
windows and cars, during the
breeding season and winter
migration

* The Swift parrot breeds in Tasmania during spring and
summer, then migrates to the mainland in autumn and
winter.
Photo Source: Lachlan Catchment Management Authority
Scientific Name: Haliaeetus
leucogaster
Type: Bird
Conservation Status: Vulnerable
(Vic)
Threats:
Loss of habitat due to land
development
 Disturbance of nesting pairs by
human activity
 Other potential threats include
poisoning, shooting, competition
with wedge-tailed eagles and the
deterioration of inland water
resources
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Photo: P. Spark
Photo Source: Gippsland Lakes Ministerial Advisory Committee