Isolona heinsenii 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Magnoliales Annonaceae

Scientific Name: Isolona heinsenii Engl. & Diels

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2009
Date Assessed: 2006-03-02
Needs updating
Assessor(s): Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project
Reviewer(s): Beentje, H., Gereau, R., Kabuye, C., Kalema, J., Luke, Q., Lyaruu, H., Maunder, M., Mwachala, G., Ndangalasi, H., Njau, F. & Schatz, G. (East African Plants Red List Authority)
The extent of occurrence is <5,000 km², the population is severely fragmented and in continuing decline due to habitat loss and disturbance.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Recorded from the East and West Usambara Mts, the Nguru Mts, and in the Udzungwa range.
Countries occurrence:
Tanzania, United Republic of
Additional data:
Estimated area of occupancy (AOO) - km2:200
Number of Locations:7
Lower elevation limit (metres):250
Upper elevation limit (metres):1500
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Not common.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:A shrub or small to medium-sized tree found in lowland and montane evergreen forest.
Continuing decline in area, extent and/or quality of habitat:Yes

Threats [top]

Major Threat(s): There is habitat loss due to forest clearance for agriculture, logging for timber in certain cases, fires, etc.

Conservation Actions [top]

Conservation Actions: Has been recoprded from a number of protected areas: Kwamkoro Forest Reserve, Amani Nature Reserve, Kanga Forest Reserve, Lulanda Forest Reserve, and Udzungwa Mountains National Park.

Citation: Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project. 2009. Isolona heinsenii. The IUCN Red List of Threatened Species 2009: e.T32852A9736070. . Downloaded on 22 April 2018.
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