Forsyth, Passage and Gull Islands


IBA Justification

The site was identified as important in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List1 Season Year(s) Size IBA criteria
Little Penguin Eudyptula minor LC resident 1986-2000 83,000 breeding pairs A4ii
Black-faced Cormorant Phalacrocorax fuscescens LC resident 1986-2000 318 individuals A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.


IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2008) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2008 not assessed high not assessed
Whole site assessed? State assessed by Accuracy of information
yes unset medium

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Invasive and other problematic species and genes happening now majority/most of area/population (50-90%) slow but significant deterioration high
Agricultural expansion and intensification happening now some of area/population (10-49%) slow but significant deterioration medium
Biological resource use happening now majority/most of area/population (50-90%) no or imperceptible deterioration low
Human intrusions and disturbance happening now majority/most of area/population (50-90%) no or imperceptible deterioration low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas Management plan Other action Result
Not assessed Not assessed Not assessed not assessed

IBA Protection

Year Protected Area Designation % overlap with IBA
2000 Gull Island Conservation Area 3
2003 Forsyth Island Conservation Area 38
2011 Passage Island Conservation Area 59

Habitats

Habitat1 Habitat detail % of IBA
Marine Coastal/Supratidal major (>10)
Shrubland Chenopod shrubs, samphire shrubs and forblands, Other shrublands major (>10)
Grassland Tussock grasslands minor (<10)
1. IUCN Habitat classification.

Land use

Land use % of IBA
nature conservation and research major (>10)
not utilised major (>10)
rangeland/pastureland minor (<10)

Land ownership
Tasmanian and Federal Governments.


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Forsyth, Passage and Gull Islands (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/forsyth-passage-and-gull-islands-iba-australia on 23/11/2024.