| Citation |
World Conservation Monitoring Centre 1998. Cephalomappa sinensis. The IUCN Red List of Threatened Species 1998: e.T32388A9695931. http://dx.doi.org/10.2305/IUCN.UK.1998.RLTS.T32388A9695931.en. Downloaded on 16 May 2019. |
Description |
Geographic Range
NATIVE
Extant
China (Guangxi); Viet Nam
NUMBER OF LOCATIONS
UPPER ELEVATION LIMIT
LOWER ELEVATION LIMIT
Geographic Range in detail
ESTIMATED AREA OF OCCUPANCY (AOO) (KM²)
CONTINUING DECLINE IN AREA OF OCCUPANCY (AOO)
EXTREME FLUCTUATIONS IN AREA OF OCCUPANCY (AOO)
ESTIMATED EXTENT OF OCCURRENCE (EOO) (KM²)
CONTINUING DECLINE IN EXTENT OF OCCURRENCE (EOO)
EXTREME FLUCTUATIONS IN EXTENT OF OCCURRENCE (EOO)
CONTINUING DECLINE IN NUMBER OF LOCATIONS
EXTREME FLUCTUATIONS IN THE NUMBER OF LOCATIONS
RANGE DESCRIPTION
The species occurs in south-west Guangxi, China, and in Cao Bang in Viet Nam.
Population
CURRENT POPULATION TREND
Unspecified
NUMBER OF MATURE INDIVIDUALS
POPULATION SEVERELY FRAGMENTED
CONTINUING DECLINE OF MATURE INDIVIDUALS
Population in detail
EXTREME FLUCTUATIONS
NO. OF SUBPOPULATIONS
CONTINUING DECLINE IN SUBPOPULATIONS
EXTREME FLUCTUATIONS IN SUBPOPULATIONS
ALL INDIVIDUALS IN ONE SUBPOPULATION
NO. OF INDIVIDUALS IN LARGEST SUBPOPULATION
DESCRIPTION
In Viet Nam seedlings and young trees are abundant where the trees have been planted, but regeneration in the wild is almost non-existent. However, trees coppice well.
Habitat and Ecology
SYSTEM
Terrestrial
HABITAT TYPE
GENERATION LENGTH (YEARS)
CONGREGATORY
CONTINUING DECLINE IN AREA, EXTENT AND/OR QUALITY OF HABITAT
Habitat and Ecology in detail
HABITAT AND ECOLOGY
Limestone areas, where it can become dominant in moist forest below 500 m.
CLASSIFICATION SCHEME
Habitats Suitability Major importance
Growth Forms
T. Tree - size unknown
Threats
Agriculture & aquaculture
Annual & perennial non-timber crops
Livestock farming & ranching
Biological resource use
Logging & wood harvesting
Threats in detail
THREATS
Overcutting and use of the tree as cattle forage are the main threats.
CLASSIFICATION SCHEME
Threats Timing Stresses Scope Severity Impact score Invasive species Virus
2. Agriculture & aquaculture 2.1. Annual & perennial non-timber crops 2.1.4. Scale Unknown/Unrecorded Ongoing
1. Ecosystem stresses 1.1. Ecosystem conversion
1.2. Ecosystem degradation
Low Impact: 3
2.3. Livestock farming & ranching 2.3.4. Scale Unknown/Unrecorded Ongoing
1. Ecosystem stresses 1.1. Ecosystem conversion
1.2. Ecosystem degradation
Low Impact: 3
5. Biological resource use 5.3. Logging & wood harvesting 5.3.5. Motivation Unknown/Unrecorded Ongoing
1. Ecosystem stresses 1.2. Ecosystem degradation |
