Post by Surroundx on Apr 2, 2017 14:48:24 GMT 1
Scientific Name: Lijndenia brenanii
Species Authority: (A.Fern. & R.Fern.) Jacq.Fél.
Synonym(s):
Memecylon brenanii A.Fern. & R.Fern.
Assessment Information [top]
Red List Category & Criteria: Critically Endangered (Possibly Extinct) B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2013
Date Assessed: 2013-03-22
Assessor(s): IUCN SSC East African Plants Red List Authority
Reviewer(s): Hilton-Taylor, C. & Scott, J.A.
Contributor(s): Luke, Q., Bangirinama, F., Beentje, H.J., Gereau, R., Kabuye, C., Kamau, P., Kindeketa, W., Maunder, M., Mwachala, G., Mwangoka, M. & Ndangalasi, H.
Justification:
As the sites count as a single location and the habitat is in decline, we regard this taxon as Critically Endangered; as it has been searched for and not found, it might be Extinct.
Date last seen: 1961
Previously published Red List assessments:
1998 – Vulnerable (VU)
Geographic Range [top]
Range Description:
Two collections in the Usambara Mountains, Tanzania, in 1934 and 1961.
Countries occurrence:
Native:
Tanzania, United Republic of
Additional data:
♦ Estimated area of occupancy (AOO) - km2: 8
♦ Number of Locations: 1
♦ Lower elevation limit (metres): 1060
♦ Upper elevation limit (metres): 1060
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: No population size estimates for this species are available.
Current Population Trend: Unknown
Additional data:
Habitat and Ecology [top]
Habitat and Ecology: A tree reaching 18 m. Found in lowland rainforests.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Use and Trade [top]
Use and Trade:
There is no information on any use or trade.
Threats [top]
Major Threat(s): The northern site has been searched specifically for this taxon by Stone & Luke, but the species was not refound. This site was impacted by the goldrush of 2000-2006. The Reserve has been logged in the past and has declined in quality; the exotic Maesopsis is coming in and impacting the habitat. This reserve has also been intensely collected by many collectors.
Conservation Actions [top]
Conservation Actions:
One of the sites is within Amani Nature Reserve.
Source: www.iucnredlist.org/details/35415/0
Species Authority: (A.Fern. & R.Fern.) Jacq.Fél.
Synonym(s):
Memecylon brenanii A.Fern. & R.Fern.
Assessment Information [top]
Red List Category & Criteria: Critically Endangered (Possibly Extinct) B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2013
Date Assessed: 2013-03-22
Assessor(s): IUCN SSC East African Plants Red List Authority
Reviewer(s): Hilton-Taylor, C. & Scott, J.A.
Contributor(s): Luke, Q., Bangirinama, F., Beentje, H.J., Gereau, R., Kabuye, C., Kamau, P., Kindeketa, W., Maunder, M., Mwachala, G., Mwangoka, M. & Ndangalasi, H.
Justification:
As the sites count as a single location and the habitat is in decline, we regard this taxon as Critically Endangered; as it has been searched for and not found, it might be Extinct.
Date last seen: 1961
Previously published Red List assessments:
1998 – Vulnerable (VU)
Geographic Range [top]
Range Description:
Two collections in the Usambara Mountains, Tanzania, in 1934 and 1961.
Countries occurrence:
Native:
Tanzania, United Republic of
Additional data:
♦ Estimated area of occupancy (AOO) - km2: 8
♦ Number of Locations: 1
♦ Lower elevation limit (metres): 1060
♦ Upper elevation limit (metres): 1060
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: No population size estimates for this species are available.
Current Population Trend: Unknown
Additional data:
Habitat and Ecology [top]
Habitat and Ecology: A tree reaching 18 m. Found in lowland rainforests.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Use and Trade [top]
Use and Trade:
There is no information on any use or trade.
Threats [top]
Major Threat(s): The northern site has been searched specifically for this taxon by Stone & Luke, but the species was not refound. This site was impacted by the goldrush of 2000-2006. The Reserve has been logged in the past and has declined in quality; the exotic Maesopsis is coming in and impacting the habitat. This reserve has also been intensely collected by many collectors.
Conservation Actions [top]
Conservation Actions:
One of the sites is within Amani Nature Reserve.
Source: www.iucnredlist.org/details/35415/0
