Sonoran–Mojave transition zone

E48561

desert region ecoregion transition zone

The Sonoran–Mojave transition zone is an ecologically rich region in the southwestern United States where the Sonoran and Mojave Deserts overlap, creating a unique blend of plant and animal communities from both desert ecosystems.

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All labels observed (2)

Label	Occurrences
Sonoran Desert transition zone	2
Sonoran–Mojave transition zone canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T255163 — 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: Sonoran–Mojave transition zone
Context triple: [North American deserts, includes, Sonoran–Mojave transition zone]

A. Sonoran Desert
The Sonoran Desert is a vast, hot North American desert spanning parts of the southwestern United States and northwestern Mexico, renowned for its biodiversity and iconic saguaro cacti.
B. 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.
C. Chihuahuan Desert
The Chihuahuan Desert is a vast arid region spanning northern Mexico and parts of the southwestern United States, known for its high-elevation basins, rugged mountains, and unique desert flora such as agaves and yuccas.
D. Mojave Desert
The Mojave Desert is a vast arid region in the southwestern United States known for its extreme temperatures, unique desert ecosystems, and iconic landscapes such as Death Valley and Joshua Tree.
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: Sonoran–Mojave transition zone
Target entity description: The Sonoran–Mojave transition zone is an ecologically rich region in the southwestern United States where the Sonoran and Mojave Deserts overlap, creating a unique blend of plant and animal communities from both desert ecosystems.

A. Sonoran Desert
The Sonoran Desert is a vast, hot North American desert spanning parts of the southwestern United States and northwestern Mexico, renowned for its biodiversity and iconic saguaro cacti.
B. 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.
C. Chihuahuan Desert
The Chihuahuan Desert is a vast arid region spanning northern Mexico and parts of the southwestern United States, known for its high-elevation basins, rugged mountains, and unique desert flora such as agaves and yuccas.
D. Mojave Desert
The Mojave Desert is a vast arid region in the southwestern United States known for its extreme temperatures, unique desert ecosystems, and iconic landscapes such as Death Valley and Joshua Tree.
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 (44)

Predicate	Object
instanceOf	desert region ⓘ ecoregion ⓘ transition zone ⓘ
biome	desert biome ⓘ
characterizedBy	high biodiversity for a desert region ⓘ mix of animal communities from Sonoran Desert and Mojave Desert ⓘ mix of plant communities from Sonoran Desert and Mojave Desert ⓘ overlap of Sonoran and Mojave Desert biotas ⓘ
country	United States ⓘ linked to: United States of America
ecologicalRole	area of hybridization of desert floras ⓘ biogeographic corridor between Sonoran and Mojave Deserts ⓘ
hasBiodiversityFeature	co-occurrence of Sonoran and Mojave indicator species ⓘ
hasClimate	arid climate ⓘ hot desert climate ⓘ
hasConservationValue	high ⓘ
hasEcosystemType	desert ecosystem ⓘ ecotone ⓘ
hasFauna	species from Mojave Desert ⓘ species from Sonoran Desert ⓘ
hasHydrology	ephemeral washes ⓘ intermittent streams ⓘ
hasManagementConcern	balancing conservation with recreation ⓘ protection of endemic and range-edge species ⓘ
hasProcess	ecological gradients in temperature and precipitation ⓘ species interchange between Sonoran and Mojave Deserts ⓘ
hasResearchUse	study of climate change impacts on desert biota ⓘ study of desert community boundaries ⓘ
hasSeasonality	bimodal precipitation pattern in some areas ⓘ
hasSoilType	arid desert soils ⓘ
hasTopography	bajadas and alluvial fans ⓘ low mountain ranges ⓘ valley floors ⓘ
hasVegetation	Joshua tree woodland ⓘ creosote bush scrub ⓘ mixed cacti and shrubs ⓘ saguaro cactus stands ⓘ
locatedIn	North America ⓘ Southwestern United States ⓘ linked to: southwestern United States
partOf	Mojave Desert ⓘ Sonoran Desert ⓘ
threatenedBy	climate change ⓘ habitat fragmentation ⓘ off-road vehicle use ⓘ urban development ⓘ

How these facts were elicited

Referenced by (3)

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

North American deserts → includes → Sonoran–Mojave transition zone ⓘ

Lake Mead National Recreation Area → locatedInDesert → Sonoran Desert transition zone ⓘ

linked to: Sonoran–Mojave transition zone

Fort Bowie → region → Sonoran Desert transition zone ⓘ