Mesoamerican Barrier Reef System
E229748
The Mesoamerican Barrier Reef System is the second-largest coral reef system in the world, stretching along the coasts of Mexico, Belize, Guatemala, and Honduras and supporting exceptionally rich marine biodiversity.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T2033336 — 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: Mesoamerican Barrier Reef System Context triple: [Sian Ka'an Biosphere Reserve, partOf, Mesoamerican Barrier Reef System]
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A.
Belize Barrier Reef Reserve System
The Belize Barrier Reef Reserve System is a UNESCO World Heritage Site comprising the largest barrier reef in the Northern Hemisphere, renowned for its exceptional marine biodiversity and critical conservation value.
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B.
Ría Lagartos Biosphere Reserve
Ría Lagartos Biosphere Reserve is a coastal wetland and wildlife sanctuary in Mexico renowned for its mangroves, salt flats, and large flamingo populations.
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C.
Cabo Pulmo National Park
Cabo Pulmo National Park is a renowned marine reserve in Baja California Sur, Mexico, celebrated for its recovered coral reef ecosystem and rich marine biodiversity.
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D.
Sian Ka'an Biosphere Reserve
Sian Ka'an Biosphere Reserve is a vast UNESCO World Heritage–listed protected area on Mexico’s Caribbean coast, renowned for its rich biodiversity, tropical forests, wetlands, and extensive marine habitats.
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E.
Andros Barrier Reef
The Andros Barrier Reef is one of the world’s largest and most pristine barrier reef systems, renowned for its rich marine biodiversity and extensive coral formations off the coast of Andros Island in the Bahamas.
- 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: Mesoamerican Barrier Reef System Target entity description: The Mesoamerican Barrier Reef System is the second-largest coral reef system in the world, stretching along the coasts of Mexico, Belize, Guatemala, and Honduras and supporting exceptionally rich marine biodiversity.
-
A.
Belize Barrier Reef Reserve System
The Belize Barrier Reef Reserve System is a UNESCO World Heritage Site comprising the largest barrier reef in the Northern Hemisphere, renowned for its exceptional marine biodiversity and critical conservation value.
-
B.
Ría Lagartos Biosphere Reserve
Ría Lagartos Biosphere Reserve is a coastal wetland and wildlife sanctuary in Mexico renowned for its mangroves, salt flats, and large flamingo populations.
-
C.
Cabo Pulmo National Park
Cabo Pulmo National Park is a renowned marine reserve in Baja California Sur, Mexico, celebrated for its recovered coral reef ecosystem and rich marine biodiversity.
-
D.
Sian Ka'an Biosphere Reserve
Sian Ka'an Biosphere Reserve is a vast UNESCO World Heritage–listed protected area on Mexico’s Caribbean coast, renowned for its rich biodiversity, tropical forests, wetlands, and extensive marine habitats.
-
E.
Andros Barrier Reef
The Andros Barrier Reef is one of the world’s largest and most pristine barrier reef systems, renowned for its rich marine biodiversity and extensive coral formations off the coast of Andros Island in the Bahamas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
coral reef system
ⓘ
marine ecoregion ⓘ |
| alsoKnownAs |
Mesoamerican Barrier Reef System
ⓘ
surface form:
Mesoamerican Reef
Mesoamerican Barrier Reef System ⓘ
surface form:
Sistema Arrecifal Mesoamericano
|
| biodiversity | high marine species richness ⓘ |
| containsSite |
Bacalar Chico National Park and Marine Reserve
ⓘ
surface form:
Bacalar Chico Marine Reserve
Banco Chinchorro Biosphere Reserve ⓘ Belize Barrier Reef Reserve System ⓘ Arrecifes de Cozumel National Park ⓘ
surface form:
Cozumel Reefs National Park
Hol Chan Marine Reserve ⓘ Sian Ka'an Biosphere Reserve ⓘ |
| country |
Belize
ⓘ
Guatemala ⓘ Honduras ⓘ Mexico ⓘ |
| economicImportance |
fisheries
ⓘ
tourism ⓘ |
| ecosystemType |
coral reef
ⓘ
mangroves ⓘ seagrass beds ⓘ |
| extendsFrom | Isla Contoy, Mexico ⓘ |
| extendsTo |
Bay Islands
ⓘ
surface form:
Bay Islands, Honduras
|
| governedBy | regional cooperation among Mexico, Belize, Guatemala, and Honduras ⓘ |
| hasConservationProgram |
Mesoamerican Reef (MAR) Initiative
ⓘ
Mesoamerican Reef (MAR) Initiative ⓘ
surface form:
Mesoamerican Reef Fund (MAR Fund)
|
| length | approximately 1000 km ⓘ |
| locatedIn | Caribbean Sea ⓘ |
| locatedOnCoastOf | Yucatán Peninsula ⓘ |
| partOf |
Tropical Northwestern Atlantic
ⓘ
surface form:
Western Atlantic coral reef belt
|
| providesService |
carbon sequestration
ⓘ
coastal protection ⓘ habitat for marine species ⓘ |
| rank | second-largest barrier reef system in the world ⓘ |
| recognizedBy | UNESCO ⓘ |
| supportsSpecies |
corals
ⓘ
manatees ⓘ marine invertebrates ⓘ reef fish ⓘ sea turtles ⓘ sharks ⓘ sponges ⓘ whale sharks ⓘ |
| threatenedBy |
climate change
ⓘ
coastal development ⓘ coral bleaching ⓘ overfishing ⓘ pollution ⓘ tourism pressure ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Mesoamerican Barrier Reef System Description of subject: The Mesoamerican Barrier Reef System is the second-largest coral reef system in the world, stretching along the coasts of Mexico, Belize, Guatemala, and Honduras and supporting exceptionally rich marine biodiversity.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mesoamerican Barrier Reef System region
this entity surface form:
Mesoamerican Reef region
subject surface form:
Riviera Maya
this entity surface form:
Mesoamerican Reef
this entity surface form:
Sistema Arrecifal Mesoamericano
subject surface form:
Sian Ka'an
this entity surface form:
Mesoamerican Barrier Reef System region
this entity surface form:
Mesoamerican Caribbean Reef system (broad region)
subject surface form:
Benito Juárez (Quintana Roo municipality)
this entity surface form:
Mesoamerican Barrier Reef region
this entity surface form:
Mesoamerican Reef