Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António

E67953

nature reserve protected area wetland

Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António is a coastal wetland nature reserve in Portugal’s Algarve region, renowned for its salt marshes, salt pans, and rich birdlife along the Guadiana River estuary.

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All labels observed (5)

Label	Occurrences
Castro Marim and Vila Real de Santo António Marsh Natural Reserve	4
Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António canonical	2
Castro Marim and Vila Real de Santo António Marsh Natural Reserve (buffer area)	1
Castro Marim and Vila Real de Santo António Marsh Natural Reserve (vicinity)	1
Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António buffer zone	1

How this entity was disambiguated

This entity first appeared as the object of triple T544675 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António
Context triple: [Castro Marim, hasProtectedArea, Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António]

A. Ria Formosa Natural Park
Ria Formosa Natural Park is a protected coastal lagoon system in Portugal renowned for its diverse wetlands, birdlife, and scenic barrier islands.
B. Doñana National Park
Doñana National Park is a vast protected wetland and biodiversity hotspot in southwestern Spain, renowned for its marshes, migratory birds, and endangered Iberian lynx.
C. Vila Real de Santo António
Vila Real de Santo António is a coastal town and municipality in Portugal’s Algarve region, located at the mouth of the Guadiana River on the border with Spain.
D. Municipality of Castro Marim
The Municipality of Castro Marim is a coastal municipality in Portugal’s Algarve region, known for its historic castle, salt pans, and location near the Spanish border along the Guadiana River.
E. Celestún Biosphere Reserve
Celestún Biosphere Reserve is a coastal protected area in Mexico renowned for its mangrove ecosystems and large flocks of flamingos and other migratory birds.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António
Target entity description: Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António is a coastal wetland nature reserve in Portugal’s Algarve region, renowned for its salt marshes, salt pans, and rich birdlife along the Guadiana River estuary.

A. Ria Formosa Natural Park
Ria Formosa Natural Park is a protected coastal lagoon system in Portugal renowned for its diverse wetlands, birdlife, and scenic barrier islands.
B. Doñana National Park
Doñana National Park is a vast protected wetland and biodiversity hotspot in southwestern Spain, renowned for its marshes, migratory birds, and endangered Iberian lynx.
C. Vila Real de Santo António
Vila Real de Santo António is a coastal town and municipality in Portugal’s Algarve region, located at the mouth of the Guadiana River on the border with Spain.
D. Municipality of Castro Marim
The Municipality of Castro Marim is a coastal municipality in Portugal’s Algarve region, known for its historic castle, salt pans, and location near the Spanish border along the Guadiana River.
E. Celestún Biosphere Reserve
Celestún Biosphere Reserve is a coastal protected area in Mexico renowned for its mangrove ecosystems and large flocks of flamingos and other migratory birds.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	nature reserve ⓘ protected area ⓘ wetland ⓘ
area	approximately 2000 hectares ⓘ
climate	Mediterranean ⓘ
contains	dikes and channels ⓘ tidal flats ⓘ traditional saltworks ⓘ
country	Portugal ⓘ
designation	Reserva Natural ⓘ
established	1975 ⓘ
governingBody	Instituto da Conservação da Natureza e das Florestas ⓘ
habitatFor	flamingos ⓘ gulls ⓘ migratory birds ⓘ spoonbills ⓘ storks ⓘ terns ⓘ wading birds ⓘ waterfowl ⓘ
hasActivity	birdwatching ⓘ environmental education ⓘ nature tourism ⓘ
hasEcosystemType	brackish water wetlands ⓘ coastal lagoon ⓘ mudflats ⓘ salt marsh ⓘ salt pans ⓘ
hasProtectionStatus	Ramsar site ⓘ linked to: Ramsar Wetland of International Importance
hasVegetationType	halophytic vegetation ⓘ salt-tolerant shrubs ⓘ
IUCNCategory	IV ⓘ
knownFor	rich birdlife ⓘ salt production ⓘ
languageOfToponym	Portuguese ⓘ
locatedIn	Algarve ⓘ municipality of Castro Marim ⓘ municipality of Vila Real de Santo António ⓘ linked to: Municipality of Vila Real de Santo António
locatedNear	border between Portugal and Spain ⓘ
locatedOn	Guadiana River estuary ⓘ linked to: Guadiana River
mainRiver	Guadiana River ⓘ
nearestTown	Castro Marim ⓘ Vila Real de Santo António ⓘ
partOf	Natura 2000 network ⓘ
RamsarSite	yes ⓘ
region	southern Portugal ⓘ

How these facts were elicited

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Castro Marim → hasProtectedArea → Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António ⓘ

Castro Marim → locatedIn → Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António buffer zone ⓘ