Gulf of Mannar

E103908

bay gulf marine protected area

The Gulf of Mannar is a shallow bay of the Indian Ocean between southeastern India and western Sri Lanka, renowned for its rich marine biodiversity and extensive coral reef ecosystems.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (8)

Label	Occurrences
Gulf of Mannar canonical	31
Gulf of Mannar region	3
Gulf of Mannar Marine National Park	2
Gulf of Mannar Biosphere Reserve	1
Gulf of Mannar Marine Biosphere Reserve	1
Gulf of Mannar Marine National Park (Sri Lanka side / broader region)	1
Gulf of Mannar biosphere region	1
Gulf of Mannar maritime boundary	1

How this entity was disambiguated

This entity first appeared as the object of triple T874110 — 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: Gulf of Mannar
Context triple: [Rameswaram, locatedIn, Gulf of Mannar]

A. Laccadive Sea
The Laccadive Sea is a warm, biologically rich marginal sea off the southwestern coast of India, bordered by India, the Maldives, and Sri Lanka.
B. Batticaloa Lagoon
Batticaloa Lagoon is a large coastal lagoon on the eastern coast of Sri Lanka, known for its rich biodiversity, fishing communities, and scenic waterways.
C. Jaffna Lagoon
Jaffna Lagoon is a large coastal lagoon in northern Sri Lanka known for its rich biodiversity, fishing grounds, and importance to the local Jaffna Peninsula communities.
D. Andaman Sea
The Andaman Sea is a marginal sea of the eastern Indian Ocean, lying between the Andaman and Nicobar Islands, Myanmar, Thailand, and the Malay Peninsula, known for its rich marine biodiversity and popular tropical diving destinations.
E. Gulf of Khambhat
The Gulf of Khambhat is a large, funnel-shaped inlet of the Arabian Sea along India’s western coast in Gujarat, known for its extreme tidal ranges and the mouths of several major rivers.
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: Gulf of Mannar
Target entity description: The Gulf of Mannar is a shallow bay of the Indian Ocean between southeastern India and western Sri Lanka, renowned for its rich marine biodiversity and extensive coral reef ecosystems.

A. Laccadive Sea
The Laccadive Sea is a warm, biologically rich marginal sea off the southwestern coast of India, bordered by India, the Maldives, and Sri Lanka.
B. Batticaloa Lagoon
Batticaloa Lagoon is a large coastal lagoon on the eastern coast of Sri Lanka, known for its rich biodiversity, fishing communities, and scenic waterways.
C. Jaffna Lagoon
Jaffna Lagoon is a large coastal lagoon in northern Sri Lanka known for its rich biodiversity, fishing grounds, and importance to the local Jaffna Peninsula communities.
D. Andaman Sea
The Andaman Sea is a marginal sea of the eastern Indian Ocean, lying between the Andaman and Nicobar Islands, Myanmar, Thailand, and the Malay Peninsula, known for its rich marine biodiversity and popular tropical diving destinations.
E. Gulf of Khambhat
The Gulf of Khambhat is a large, funnel-shaped inlet of the Arabian Sea along India’s western coast in Gujarat, known for its extreme tidal ranges and the mouths of several major rivers.
F. None of above. chosen

Statements (52)

Predicate	Object
instanceOf	bay ⓘ gulf ⓘ marine protected area ⓘ
adjacentTo	Northern Province, Sri Lanka ⓘ Tamil Nadu ⓘ
connectedTo	Arabian Sea ⓘ Bay of Bengal ⓘ Palk Strait ⓘ
contains	Gulf of Mannar Biosphere Reserve ⓘ linked to: Gulf of Mannar Gulf of Mannar Marine National Park ⓘ linked to: Gulf of Mannar
countryBorder	India ⓘ Sri Lanka ⓘ
economicActivities	fishing ⓘ marine tourism ⓘ salt production ⓘ seaweed collection ⓘ
hasIslandCount	21 islands ⓘ
islandsLocatedOff	Tamil Nadu coast ⓘ
IUCNCategory	VI ⓘ
knownFor	extensive coral reef ecosystems ⓘ mangrove ecosystems ⓘ pearl oyster beds ⓘ rich marine biodiversity ⓘ seagrass beds ⓘ seaweed diversity ⓘ
locatedBetween	southeastern India ⓘ western Sri Lanka ⓘ
locatedIn	Indian Ocean ⓘ
majorIndianPortNearby	Rameswaram ⓘ Tuticorin ⓘ
majorSriLankanTownNearby	Jaffna ⓘ Mannar ⓘ linked to: Mannar region
maximumDepth	approximately 1,335 metres ⓘ
partOf	Laccadive Sea ⓘ
separatedBy	Adam's Bridge ⓘ Rama's Bridge ⓘ linked to: Adam's Bridge
separatedFrom	Palk Bay ⓘ
supportsSpecies	dolphins ⓘ dugong ⓘ numerous coral species ⓘ pearl oysters ⓘ sea cucumbers ⓘ sea turtles ⓘ sharks ⓘ whales ⓘ
threatenedBy	climate change ⓘ coastal development ⓘ coral mining ⓘ overfishing ⓘ pollution ⓘ
UNESCODesignationYear	1989 ⓘ
UNESCOStatus	Biosphere Reserve ⓘ

How these facts were elicited

Referenced by (41)

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

Rameswaram → locatedIn → Gulf of Mannar ⓘ

Tamil Nadu → contains → Gulf of Mannar ⓘ

Palk Strait → adjacentTo → Gulf of Mannar ⓘ

Ramanathapuram district → knownFor → Gulf of Mannar biosphere region ⓘ

linked to: Gulf of Mannar

Ramanathapuram district → bordersWaterBody → Gulf of Mannar ⓘ

Ramanathaswamy Temple → near → Gulf of Mannar ⓘ

Pamban Island → locatedInBodyOfWater → Gulf of Mannar ⓘ

Pamban Island → separates → Gulf of Mannar ⓘ

Gulf of Mannar → contains → Gulf of Mannar Marine National Park ⓘ

linked to: Gulf of Mannar

Gulf of Mannar → contains → Gulf of Mannar Biosphere Reserve ⓘ

linked to: Gulf of Mannar

Pei Karumbu, Rameswaram → hasNearbyWaterBody → Gulf of Mannar ⓘ

Thiruchendur → nearbyWaterBody → Gulf of Mannar ⓘ

Thoothukudi → nearbyWaterBody → Gulf of Mannar ⓘ

Thoothukudi → marineProtectedAreaNearby → Gulf of Mannar Marine National Park ⓘ

linked to: Gulf of Mannar

Mannar District (Tamil-speaking areas) → facesBodyOfWater → Gulf of Mannar ⓘ

INS Parundu → supportsOperationsIn → Gulf of Mannar ⓘ

Palk Bay system → hydrologicallyConnectedTo → Gulf of Mannar ⓘ

Palk Bay system → adjacentTo → Gulf of Mannar Marine Biosphere Reserve ⓘ

linked to: Gulf of Mannar

Mannar region → locatedOnCoastOf → Gulf of Mannar ⓘ

Mannar District → borderedBy → Gulf of Mannar ⓘ

Mannar District → partOf → Gulf of Mannar region ⓘ

linked to: Gulf of Mannar

Palk Bay → connectedTo → Gulf of Mannar ⓘ

Adam's Bridge → separates → Gulf of Mannar ⓘ

India–Sri Lanka maritime agreements → definesBoundaryIn → Gulf of Mannar ⓘ

Mannar Island → partOf → Gulf of Mannar region ⓘ

linked to: Gulf of Mannar

Mannar Island → locatedInProtectedArea → Gulf of Mannar Marine National Park (Sri Lanka side / broader region) ⓘ

linked to: Gulf of Mannar

India–Sri Lanka international boundary → locatedIn → Gulf of Mannar ⓘ

India–Sri Lanka international boundary → hasSegment → Gulf of Mannar maritime boundary ⓘ

linked to: Gulf of Mannar

India–Sri Lanka international boundary → crossesBodyOfWater → Gulf of Mannar ⓘ

Mandapam → nearbyWaterBody → Gulf of Mannar ⓘ

Adam's Bridge region → near → Gulf of Mannar ⓘ

Sea Tigers → areaOfOperation → Gulf of Mannar ⓘ

Tuticorin → bay → Gulf of Mannar ⓘ

India–Ceylon relations → separatedBy → Gulf of Mannar ⓘ

Straits of India → hasPart → Gulf of Mannar ⓘ

Northern and Eastern Sri Lanka → borders → Gulf of Mannar ⓘ

territory of Ceylon → separatedBy → Gulf of Mannar ⓘ

Tirunelveli district → coast → Gulf of Mannar region ⓘ

linked to: Gulf of Mannar

Southern Tamil Nadu → hasCoastlineOn → Gulf of Mannar ⓘ

subject linked to: southern Tamil Nadu

Thamirabarani River → mouthLocatedIn → Gulf of Mannar ⓘ

Sri Lankan coast → adjacentTo → Gulf of Mannar ⓘ

All labels observed (8)

How this entity was disambiguated Show

Statements (52)

How these facts were elicited Show

Referenced by (41)

How this entity was disambiguated

How these facts were elicited