Ninth and Little Waterhouse Islands (Australia)

Ninth and Little Waterhouse Islands

Current view: Data table and detailed info

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
Black-faced Cormorant Phalacrocorax fuscescens	LC	resident	1999	595 breeding pairs	A4i
Pacific Gull Larus pacificus	LC	resident	1985	55 breeding pairs	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	medium	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
Transportation and service corridors	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Biological resource use	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Human intrusions and disturbance	happening now	majority/most of area/population (50-90%)	no or imperceptible deterioration	low
Invasive and other problematic species and genes	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
2005	Little Waterhouse Island	Nature Reserve	6
2012	Ninth Island	Conservation Area	37

Habitats

Habitat¹	Habitat detail	% of IBA
Shrubland	Chenopod shrubs, samphire shrubs and forblands	major (>10)
Marine Coastal/Supratidal		-

1. IUCN Habitat classification.

Land use

Land use	% of IBA
nature conservation and research	major (>10)
other	major (>10)

Land ownership

Some of Ninth Island is privately owned. The remainder of Ninth Island and all of Little Waterhouse Island is Crown Land.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ninth and Little Waterhouse Islands (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/ninth-and-little-waterhouse-islands-iba-australia on 22/11/2024.