Note: This table presents the IBA criteria triggered and the species that triggered then at the time of
assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
IBA Monitoring
Most recent IBA monitoring assessment
Year of assessment
Threat score (pressure)
Condition score (state)
Action score (response)
2008
medium
not assessed
not assessed
Was the whole site covered?
Yes
State assessed by
unset
Accuracy of information
good
Threats to the site (pressure)
Threat Level 1
Threat Level 2
Timing
Scope
Severity
Result
Climate change and severe weather
storms and floods
likely in long term (beyond 4 years)
small area/few individuals (<10%)
slow but significant deterioration
low
Human intrusions and disturbance
recreational activities
happening now
some of area/population (10-49%)
no or imperceptible deterioration
low
Invasive and other problematic species and genes
invasive non-native/alien species/diseases - named species
happening now
some of area/population (10-49%)
slow but significant deterioration
medium
Natural system modifications
other ecosystem modifications
happening now
some of area/population (10-49%)
slow but significant deterioration
medium
Pollution
domestic & urban waste water - type unknown/unrecorded
happening now
some of area/population (10-49%)
slow but significant deterioration
medium
Pollution
industrial & military effluents - oil spills
likely in short term (within 4 years)
some of area/population (10-49%)
slow but significant deterioration
medium
Conservation actions taken at site (response)
Conservation Designation
Management Planning
Conservation Action
Result
Not assessed
Not assessed
Not assessed
not assessed
For more information about IBA monitoring please click here
For further information about the habitat classification please click here.
Land use
Land-use
Extent (% of site)
nature conservation and research
-
not utilised
-
urban/industrial/transport
-
military
-
For further information about the land use classification please click here.
Land ownership
A mix of State and private ownership - Melbourne Water is responsible for Sewage Treatment areas; Victorian Parks for reserves, intertidal areas and Bay waters; Cheetham Salt Company owns the salt works.
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Werribee and Avalon. Downloaded from
http://www.birdlife.org on 28/01/2023.
