Duxbury Reef
E575941
Duxbury Reef is a large rocky intertidal reef and marine protected area off the coast of Marin County, California, known for its rich tidepool ecosystems and coastal biodiversity.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Duxbury Reef canonical | 2 |
| Duxbury Reef (offshore area) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6038327 — 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: Duxbury Reef Context triple: [Bolinas, hasFeature, Duxbury Reef]
-
A.
Robbins Reef
Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
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B.
Marion Reef
Marion Reef is a large coral reef formation in the Coral Sea off the coast of northeastern Australia, known for its rich marine biodiversity and remote location.
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C.
Middleton Reef
Middleton Reef is a remote coral reef and atoll in the Tasman Sea, known as one of the southernmost true coral reefs in the world and part of Australia’s offshore marine reserves.
-
D.
Ganglion Reef
Ganglion Reef is the debut studio album by the American psychedelic rock band Wand, known for its fuzzy guitars, experimental textures, and surreal atmosphere.
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E.
Frederick Reef
Frederick Reef is a remote coral reef formation in the Coral Sea known for its rich marine biodiversity and hazardous shoals for navigation.
- 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: Duxbury Reef Target entity description: Duxbury Reef is a large rocky intertidal reef and marine protected area off the coast of Marin County, California, known for its rich tidepool ecosystems and coastal biodiversity.
-
A.
Robbins Reef
Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
-
B.
Marion Reef
Marion Reef is a large coral reef formation in the Coral Sea off the coast of northeastern Australia, known for its rich marine biodiversity and remote location.
-
C.
Middleton Reef
Middleton Reef is a remote coral reef and atoll in the Tasman Sea, known as one of the southernmost true coral reefs in the world and part of Australia’s offshore marine reserves.
-
D.
Ganglion Reef
Ganglion Reef is the debut studio album by the American psychedelic rock band Wand, known for its fuzzy guitars, experimental textures, and surreal atmosphere.
-
E.
Frederick Reef
Frederick Reef is a remote coral reef formation in the Coral Sea known for its rich marine biodiversity and hazardous shoals for navigation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
marine protected area
ⓘ
rocky intertidal reef ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasBiota |
anemones
ⓘ
barnacles ⓘ crabs ⓘ intertidal snails ⓘ kelp ⓘ limpets ⓘ marine algae ⓘ mussels ⓘ sea stars ⓘ |
| hasConservationMeasure |
monitoring of intertidal communities
ⓘ
public education on tidepool etiquette ⓘ restrictions on collecting organisms ⓘ |
| hasEcosystemType |
rocky intertidal ecosystem
ⓘ
tidepool ecosystem ⓘ |
| hasFeature |
extensive rocky benches
ⓘ
protected inner tidepools ⓘ tidepools exposed at low tide ⓘ wave-exposed outer reef ⓘ |
| hasProtectionGoal |
conservation of marine life
ⓘ
maintenance of biodiversity ⓘ protection of intertidal habitats ⓘ |
| isPartOf | California coastal ecosystem ⓘ |
| knownFor |
coastal biodiversity
ⓘ
intertidal algae diversity ⓘ marine invertebrate diversity ⓘ rich tidepools ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Marin County, California ⓘ
linked to:
Marin County
Pacific Ocean ⓘ |
| managingAuthority | California Department of Fish and Wildlife ⓘ |
| near |
Bolinas, California
ⓘ
linked to:
Bolinas
Point Reyes National Seashore ⓘ |
| partOf | Duxbury Reef State Marine Conservation Area ⓘ |
| protectedAs | State Marine Conservation Area ⓘ |
| subjectTo |
Pacific Ocean swells
ⓘ
tidal fluctuations ⓘ |
| supportsActivity |
environmental education
ⓘ
scientific research ⓘ tidepooling ⓘ |
| threatenedBy |
climate change
ⓘ
human trampling ⓘ ocean acidification ⓘ pollution ⓘ |
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: Duxbury Reef Description of subject: Duxbury Reef is a large rocky intertidal reef and marine protected area off the coast of Marin County, California, known for its rich tidepool ecosystems and coastal biodiversity.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Duxbury Reef