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The site was identified as important in 2020 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
Magellanic Plover Pluvianellus socialis	VU	breeding	2016-2020	85-180 individuals	A4, B1a, B3a, B3b
Two-banded Plover Charadrius falklandicus	LC	breeding	2016-2020	800 individuals	B3b
Hudsonian Godwit Limosa haemastica	VU	winter	2008	4,500-10,500 individuals	A4i
Hudsonian Godwit Limosa haemastica	VU	non-breeding	2016-2020	750-20,000 individuals	A4, B3a, B3b
Red Knot Calidris canutus	NT	winter	2008	13,000 individuals	A4i
Red Knot Calidris canutus	NT	non-breeding	2016-2020	1,185-10,900 individuals	A4, B1a, B3a, B3b
White-rumped Sandpiper Calidris fuscicollis	VU	non-breeding	2016-2020	320-6,550 individuals	B3b
A4iii Species group - waterbirds	n/a	winter	2008	20,000-49,999 individuals	A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2020) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2020. The most recent assessment (2015) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Marine Intertidal	-	moderate (70-90%)	near favourable
Grassland	-	moderate (70-90%)	near favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Climate change and severe weather	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Energy production and mining	likely in short term (within 4 years)	some of area/population (10-49%)	moderate to rapid deterioration	medium
Pollution	likely in short term (within 4 years)	some of area/population (10-49%)	moderate to rapid deterioration	medium
Invasive and other problematic species and genes	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	The conservation measures needed for the site are being comprehensively and effectively implemented	high

Year	Protected Area	Designation	% overlap with IBA
2004	Bahía Lomas	Ramsar Site, Wetland of International Importance	100

Habitat1	Habitat detail	% of IBA
Grassland		-
Marine Intertidal		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bahía Lomas (Chile). Downloaded from https://datazone.birdlife.org/site/factsheet/bahía-lomas-iba-chile on 22/11/2024.