Great Basin–Colorado River transition area

E551580

ecotone geographic region

The Great Basin–Colorado River transition area is a geographic region where the ecosystems and cultural territories of the Great Basin and Colorado River Plateau overlap and blend.

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

All labels observed (2)

Label	Occurrences
Lake Powell region	2
Great Basin–Colorado River transition area canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T5667333 — 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: Great Basin–Colorado River transition area
Context triple: [Colorado River Numic, geographicDistribution, Great Basin–Colorado River transition area]

A. Great Basin–Mojave transition zone
The Great Basin–Mojave transition zone is an ecologically and culturally significant desert region in the American Southwest where the Great Basin and Mojave deserts meet, characterized by mixed flora, fauna, and long-standing Indigenous presence.
B. Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
C. Great Basin–Pacific watershed divide region
The Great Basin–Pacific watershed divide region is a hydrological boundary area in the western United States where drainage basins separate between internally draining Great Basin watersheds and those that flow outward to the Pacific Ocean.
D. Sierra Nevada–Great Basin transition zone
The Sierra Nevada–Great Basin transition zone is a geologic and ecological boundary region in eastern California and western Nevada where the high, granitic Sierra Nevada meets the arid, fault-block ranges and basins of the Great Basin.
E. Basin and Range Province
The Basin and Range Province is a vast geologic region of the western United States and northern Mexico characterized by alternating mountain ranges and arid basins formed through crustal extension.
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: Great Basin–Colorado River transition area
Target entity description: The Great Basin–Colorado River transition area is a geographic region where the ecosystems and cultural territories of the Great Basin and Colorado River Plateau overlap and blend.

A. Great Basin–Mojave transition zone
The Great Basin–Mojave transition zone is an ecologically and culturally significant desert region in the American Southwest where the Great Basin and Mojave deserts meet, characterized by mixed flora, fauna, and long-standing Indigenous presence.
B. Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
C. Great Basin–Pacific watershed divide region
The Great Basin–Pacific watershed divide region is a hydrological boundary area in the western United States where drainage basins separate between internally draining Great Basin watersheds and those that flow outward to the Pacific Ocean.
D. Sierra Nevada–Great Basin transition zone
The Sierra Nevada–Great Basin transition zone is a geologic and ecological boundary region in eastern California and western Nevada where the high, granitic Sierra Nevada meets the arid, fault-block ranges and basins of the Great Basin.
E. Basin and Range Province
The Basin and Range Province is a vast geologic region of the western United States and northern Mexico characterized by alternating mountain ranges and arid basins formed through crustal extension.
F. None of above. chosen

Statements (30)

Predicate	Object
instanceOf	ecotone ⓘ geographic region ⓘ
characterizedBy	blend of Great Basin and Colorado Plateau cultural territories ⓘ overlap of Great Basin and Colorado Plateau ecosystems ⓘ
hasBoundaryCharacteristic	diffuse and gradational rather than sharply defined ⓘ
hasClimate	continental influences ⓘ rain-shadow effects ⓘ semiarid ⓘ
hasCulturalFeature	mixed land-use traditions such as hunting, gathering, and agriculture ⓘ overlapping Indigenous cultural regions ⓘ
hasEcologicalFeature	elevational gradients influencing species composition ⓘ mosaic of shrubland and woodland vegetation ⓘ transition from cold desert to warm desert communities ⓘ
hasFunction	biogeographic corridor for species between Great Basin and Colorado Plateau ⓘ cultural interface between Great Basin and Colorado Plateau peoples ⓘ
hasHydrology	mix of internally drained basins and Colorado River tributaries ⓘ
hasProcess	biogeographic transition between interior basin and riverine plateau ⓘ
hasVegetation	desert scrub elements ⓘ pinyon–juniper woodland elements ⓘ sagebrush steppe elements ⓘ
locatedIn	North America ⓘ western United States ⓘ
overlapsWith	Colorado River Plateau ⓘ linked to: Colorado Plateau Great Basin Desert ⓘ
partOf	Colorado Plateau ⓘ Great Basin ⓘ
studiedIn	anthropology ⓘ biogeography ⓘ cultural geography ⓘ ecology ⓘ

How these facts were elicited

Referenced by (3)

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

Colorado River Numic → geographicDistribution → Great Basin–Colorado River transition area ⓘ

Big Water Visitor Center → near → Lake Powell region ⓘ

linked to: Great Basin–Colorado River transition area

Kanab → isGatewayTo → Lake Powell region ⓘ