Abies durangensis 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Pinopsida Pinales Pinaceae

Scientific Name: Abies durangensis
Species Authority: Martínez
Infra-specific Taxa Assessed:
Common Name(s):
English Durango Fir
Taxonomic Source(s): Farjon, A. 2010. A Handbook of the World's Conifers. Koninklijke Brill, Leiden.
Taxonomic Notes: Two varieties of Abies durangensis are recognized on the IUCN Red List: var durangenesis and var. coahuilensis. This second taxon is assessed separately.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2011-05-05
Assessor(s): Farjon, A.
Reviewer(s): Thomas, P. & Perez de la Rosa, J.

Abies durangensis has an extensive distribution (extent of occurrence is >150,000 km²) and although scattered, can be abundant in some localities. Its relatively remote and inaccessible habitat and the fact that it is not a major timber tree appear to indicate that it is Least Concern, although there is no information to indicate if the taxon is or has declined. The more limited variety coahuilensis is assessed as Vulnerable, but this does not influence the status of the entire species. The typical variety would also be listed as Least Concern.

Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to Mexico occurring in Chihuahua, Coahuila, Durango, northern Jalisco, and Sinaloa.
Countries occurrence:
Mexico (Chihuahua, Coahuila, Durango, Jalisco, Sinaloa)
Additional data:
Lower elevation limit (metres):1600
Upper elevation limit (metres):3550
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is abundant in Durango and Chihuahua but much rarer in Sinaloa, Jalisco and Chihuahua.
Current Population Trend:Decreasing
Additional data:
Continuing decline of mature individuals:Yes
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:Abies durangensis occurs in high mountain valleys and steep canyons on the western side of the divide of the Sierra Madre Occidental, at elevations between (1600-)2,000-2,900 m a.s.l. and usually on well drained talus or lithosols. The climate is moist and cool, especially on N-facing slopes. It is a relatively rare constituent of coniferous forests in the Canadian Life Zone, with Pseudotsuga menziesii var. glauca, Pinus strobiformis, P. leiophylla var. chihuahuana, Cupressus lusitanica, C. arizonica in the north of its range, Picea chihuahuana (only near El Salto, Durango), Pinus durangensis (in the south), Juniperus deppeana (locally) and some broad-leaved trees like Quercus castanea, Q. rugosa, Prunus serotina. In Jalisco and Sinaloa it is restricted to canyon bottoms at altitudes ranging from 2,300 to 2,700 m a.s.l.
Continuing decline in area, extent and/or quality of habitat:Yes
Generation Length (years):40

Use and Trade [top]

Use and Trade: Durango Fir is not a commercially important timber tree and is extremely rare in cultivation. Trees from high altitude provenances are being grown with some success, but mostly slowly, in the south of England and in Belgium.

Threats [top]

Major Threat(s): No specific threats are documented, but it must be assumed that there has been some impact of logging, which has at least affected the mixed conifer forests in which this species is a relatively rare component. The var. coahuilensis occurs in areas where forest fires could be a serious threat

Conservation Actions [top]

Conservation Actions: No specific conservation measures are known for this species.

Citation: Farjon, A. 2013. Abies durangensis. The IUCN Red List of Threatened Species 2013: e.T42279A2969264. . Downloaded on 26 April 2017.
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