Lake Sylvester System (Australia) - BirdLife IBA factsheet

Lake Sylvester System

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
Plumed Whistling-duck Dendrocygna eytoni	LC	resident	1993	15,000-26,000 individuals	A4i
Hardhead Aythya australis	LC	resident	2002	14,000 individuals	A4i
Grey Teal Anas gracilis	LC	resident	2002	60,000 individuals	A4i
Flock Bronzewing Phaps histrionica	LC	resident	1993	100,000 individuals	A4ii
Eurasian Coot Fulica atra	LC	resident	2002	160,000 individuals	A4i
Australian Bustard Ardeotis australis	LC	resident	1998-2008	frequent	A1
Straw-necked Ibis Threskiornis spinicollis	LC	resident	1995	13,000 individuals	A4i
Australian Pelican Pelecanus conspicillatus	LC	resident	2001-2002	7,700 breeding pairs	A4i
Little Black Cormorant Phalacrocorax sulcirostris	LC	resident	2002	17,000 individuals	A4i
Oriental Plover Charadrius veredus	LC	non-breeding	1993	1,034 individuals	A4i
Common Gull-billed Tern Gelochelidon nilotica	LC	resident	1995	8,720 individuals	A4i
Letter-winged Kite Elanus scriptus	NT	resident	-	uncommon	A1, A3

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
Natural system modifications	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
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

Habitats

Habitat¹	Habitat detail	% of IBA
Grassland	Tussock grasslands	major (>10)
Savanna	Acacia open woodlands, Eucalypt open woodlands	major (>10)
Shrubland	Chenopod shrubs, samphire shrubs and forblands, Other shrublands	major (>10)
Wetlands (inland)	Ephemeral	major (>10)

1. IUCN Habitat classification.

Land use

Land use	% of IBA
rangeland/pastureland	100

Land ownership

Pastoral lease (Brunette Downs) managed by Australian Agricultural Company.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Sylvester System (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-sylvester-system-iba-australia on 22/11/2024.