Overview

Distribution

Range Description

Endemic to China; this subspecies has a fairly wide distribution being recorded from SE Gansu, Henan (Nexiang), W Hubei, S Shaanxi, and W Sichuan.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This variety occurs in high mountain ranges of the SW Plateau of China between 2,100 and 3,000 m asl, on grey-brown mountain podzols, brown earth or lithosols. The climate is cold and moist, with annual precipitation between 1,000 and 2,000 mm. It is a rare species, usually mixed with Picea spp., Abies fargesii var. sutchuenensis, Tsuga chinensis, Larix potaninii at high elevations, and Betula spp. at lower elevations; also as a pure forest in Tsin-ling Shan (Wang 1961).

Systems
  • Terrestrial
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2011

Assessor/s
Farjon, A., Li, J.-y., Li, N., Li, Y., Carter, G., Katsuki, T., Liao, W., Luscombe, D, Qin, H.-n., Rao, L.-b., Rushforth, K., Yang, Y., Yu, S., Xiang, Q. & Zhang, D

Reviewer/s
Thomas, P. & Christian, T.

Contributor/s

Justification
This subspecies has an extent of occurrence of more than 20,000 km2, and has a large population and although there are past and ongoing threats, it is listed here as Least Concern.

History
  • 2000
    Vulnerable
  • 1998
    Vulnerable
    (Oldfield et al. 1998)
  • 1998
    Vulnerable
  • 1997
    Vulnerable
    (Walter and Gillett 1998)
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Population

Population
This subspecies is rare and is very scattered. A community inventory conducted for this species produced an estimate of 200,000 trees (Y. Yang pers. comm. 2010), but it is unsure what proportion of these were mature.

Population Trend
Unknown
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Threats

Major Threats
Logging and deforestation have depleted this most common and widespread subspecies. Logging was mostly a threat in the past.
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Management

Conservation Actions

Conservation Actions
The Chinese Government has recently imposed a logging ban on old growth forest in western China. Occurs in protected areas. Need further research on the range and population status of this taxon.
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