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Overview

Distribution

Range Description

This species is endemic to Mexico, occurring in the states of Baja California (Isla Cedros) and Baja California Sur (Hunt et al. 2006) at elevations of 1 - 500 m asl (Pilbeam and Bowdery 1995).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
The species occurs in coastal scrub near sea level, up to 500 m asl amongst pines and in a dry riverbed (Pilbeam and Bowdery 1995).

Systems
  • Terrestrial
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
EN
Endangered

Red List Criteria
B1ab(iii,v)

Version
3.1

Year Assessed
2013

Assessor/s
León de la Luz, J.L., Gómez-Hinostrosa, C. & Hernández, H.M.

Reviewer/s
Chanson, J.S.

Contributor/s

Justification
This species is listed as Endangered because it has an extent of occurrence of approximately 4,000 km2, and its population is severely fragmented as the result of the settlement of fishermen and their activities, which is also causing a continuing decline that will not cease in the near future. Even though it occurs within protected areas, there are activities taking place that affects the species habitat.
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Population

Population
The species is not locally abundant and is scarce. The estimated density is nine individuals per 0.5 hectare.

Population Trend
Decreasing
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Threats

Major Threats
The major threat for this species is urban development in the coastal area. Fish camps of abalone and lobster which consist of informal settlements of fishermen leave a lot of rubbish behind and they also open access paths.


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Management

Conservation Actions

Conservation Actions
This species occurs in Desierto del Vizcaíno protected area (Larraín 2011). However, coastal fisheries occur within the protected areas which affects the population. This species is legally protected in Mexico by the national list of species at risk of extinction, NOM-059-SEMARNAT-2010, where it is listed under the category “threatened” (A; SEMARNAT 2010).
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