Mont Béro Classified Forest

Mont Béro Foret Classée

GUITIPA014
Mont Béro Classified Forest

Country: Guinea

Administrative region: Nzérékoré (Prefecture)

Central co-ordinates: 8.20000 N, 8.63333 W

Area: 80km²

Qualifying IPA Criteria

A(i)Site contains one or more globally threatened species, C(iii)Site contains nationally threatened or restricted habitat or vegetation types, AND/OR habitats that have severely declined in extent nationally

IPA assessment rationale

Mont Béro classified forest has the largest global population for two threatened species of mass-flowering Acanthaceae. It also has significant populations of several other threatened species. These are restricted to submontane forest and submontane forest-grassland boundary habitats. Mt Béro has suffered from poor governance in the past resulting in increased pressure on natural resources. Cattle trampling, increased wildfires and illegal forest clearance for agriculture are significant threats.

Site description

Located south-east of the Simandou range mostly in Nzérékoré prefecture, Mt Béro is a classified forest of c.80 Km2 (Source: Protected Planet). At 1182m, the main peak is lower than the Simandou range. Submontane forest is present on the flanks and grassland is present on the summit areas. Lowland forest remnants occur on the western slopes. Recently, there have been reports of significant damage to the forest from illegal logging and clearance for subsistence crops, and of the grassland areas by introduction of a large herd of Zebu cattle.

Botanical significance

The Béro mountains share similarities in floristic composition with the other mountain ranges in Guinée Forestière. There are populations of several threatened species found here, such as Allophylus samoritourei, in lowland forest remnants, plus Acalypha guineensis and Lipotriche tithonioides, on the border between grassland and submontane forest. The submontane forest, characterised by Uapaca chevalieri and Trichilia djalonis, has the world’s largest population of the threatened mass-flowering Brachystephanus oreacanthus, and Isoglossa dispersa. There is also a population of the range-restricted species Dorstenia astyanactis and Brachystephanus jaundensis subsp. nimbae. The grassland area on the flat tops includes small areas of high-altitude lateritic (ferralitic) bowal. This is much smaller than that at Simandou, and not as species-rich, but there are some threatened species present in the seasonally wet areas, such as Rhytachne glabra, Nemum bulbostyloides, and Kotschya micrantha. Comprehensive botanical exploration has not yet been completed and several threatened potential new species to science are present, such as Psychotria sp. nov. aff. humilis and Hibiscus fabiana Cheek (was Hibiscus sp. nov. aff. rostellatus).

Habitat and geology

The area is part of the Leonean-Liberian crystalline massif with dolerites and metagabbros. It is not part of the banded iron Simandou rift, which could account for the differences in vegetation between it and the other mountain formations of Simandou and Nimba.

Conservation issues

The area has been a classified forest since 1952, but has not always had protection on the ground. In recent years a large herd of Zebu cattle from north of Guinea were introduced, causing trampling of the grassland. The increased nitrification could have caused changes to the species composition. During a period when patrols ceased, large areas of submontane and lowland forest were cleared for agricultural land. There has also been illegal logging where the road is close to the forest and areas have been cleared for small scale plantations and agriculture by the local villagers. This should have been prevented by the authorities, but the site has not been sufficiently policed. Recent observations in 2022 uncovered illegal banana plantations and large parts of the submontane bowal/forest transition area burned for cattle grazing. This is a problem for sensitive species such as Lipotriche tithonioides and Acalypha guineensis which inhabit these areas and are not fire tolerant. The fires had also spread in the understory of submontane forest patches where Brachystephanus oreacanthus and Isoglossa dispersa have been recorded, they were not refound in February 2022. There is also some evidence of over harvesting of NTFPs and ring barking of trees following removal of bark for medicines.

Ecosystem services

Habitats for species, provisioning

Site assessor(s)

Charlotte Couch, Royal Botanic Gardens Kew

Pépé Haba, Guinée Biodiversité

Xander van der Burgt, Royal Botanic Gardens, Kew

Martin Cheek, Royal Botanic Gardens Kew

Faya Julien Simbiano, Herbier National de Guinee

IPA criterion A species

Species Qualifying sub-criterion ≥ 1% of global population ≥ 5% of national population 1 of 5 best sites nationally Entire global population Socio-economically important Abundance at site
Garcinia afzelii Engl. A(i) True True False False False Scarce
Kotschya micrantha (Harms) Hepper A(i) True True False False False Scarce
Allophylus samoritourei Cheek A(i) True True False False False Scarce
Acalypha guineensis J.K. Morton & G.A.Lavin A(i) True True False False False Scarce
Amorphophallus abyssinicus (A.Rich.) N.E.Br. subsp. akeassii Ittenb. A(i) True True False False False Scarce
Brachystephanus jaundensis Lindau subsp. nimbae (Heine) I.Darbysh. A(i) True True True False False Scarce
Brachystephanus oreacanthus Champl. A(i) True True True False False Frequent
Dorstenia astyanactis Aké Assi A(i) True True True False False Scarce
Isoglossa dispersa I.Darbysh. & L.J.Pearce A(i) True True True False False Unknown
Lipotriche tithonioides (Aké Assi) D.J.N.Hind A(i) True True True False False Frequent
Nemum bulbostyloides (Hooper) J.Raynal A(i) True True True False False Frequent
Pavetta platycalyx Bremek. A(i) True True False False False Unknown
Rhytachne glabra (Gledhill) Clayton A(i) True True True False False Scarce
Hibiscus fabiana Cheek A(iii) True True True False False Scarce

Garcinia afzelii Engl.

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
False
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Kotschya micrantha (Harms) Hepper

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
False
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Allophylus samoritourei Cheek

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
False
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Acalypha guineensis J.K. Morton & G.A.Lavin

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
False
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Amorphophallus abyssinicus (A.Rich.) N.E.Br. subsp. akeassii Ittenb.

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
False
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Brachystephanus jaundensis Lindau subsp. nimbae (Heine) I.Darbysh.

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Brachystephanus oreacanthus Champl.

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Frequent

Dorstenia astyanactis Aké Assi

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Isoglossa dispersa I.Darbysh. & L.J.Pearce

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Unknown

Lipotriche tithonioides (Aké Assi) D.J.N.Hind

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Frequent

Nemum bulbostyloides (Hooper) J.Raynal

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Frequent

Pavetta platycalyx Bremek.

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
False
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Unknown

Rhytachne glabra (Gledhill) Clayton

Qualifying sub-criterion:
A(i)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

Hibiscus fabiana Cheek

Qualifying sub-criterion:
A(iii)
≥ 1% of global population:
True
≥ 5% of national population:
True
1 of 5 best sites nationally:
True
Entire global population:
False
Socio-economically important:
False
Abundance at site:
Scarce

IPA criterion C qualifying habitats

Habitat Qualifying sub-criterion ≥ 5% of national resource ≥ 10% of national resource 1 of 5 best sites nationally Areal coverage at site
Guinean Highland Submontane Forest C(iii) False True True

Guinean Highland Submontane Forest

Qualifying sub-criterion:
C(iii)
≥ 5% of national resource:
False
≥ 10% of national resource:
True
Areal coverage at site:

General site habitats

General site habitat Percent coverage Importance
Forest - Subtropical/Tropical Moist Montane Forest No value Major
Grassland - Subtropical/Tropical High Altitude Grassland No value Minor

Forest - Subtropical/Tropical Moist Montane Forest

Percent coverage:
No value
Importance:
Major

Grassland - Subtropical/Tropical High Altitude Grassland

Percent coverage:
No value
Importance:
Minor

Land use types

Land use type Percent coverage Importance
Nature conservation No value Minor
Forestry No value Minor

Nature conservation

Percent coverage:
No value
Importance:
Minor

Forestry

Percent coverage:
No value
Importance:
Minor

Threats

Threat Severity Timing
Agriculture & aquaculture - Annual & perennial non-timber crops - Shifting agriculture High Ongoing - increasing
Agriculture & aquaculture - Wood & pulp plantations - Agro-industry plantations High Ongoing - increasing
Agriculture & aquaculture - Livestock farming & ranching - Nomadic grazing High Ongoing - increasing
Biological resource use - Gathering terrestrial plants Medium Ongoing - increasing
Agriculture & aquaculture - Annual & perennial non-timber crops - Small-holder farming Medium Ongoing - increasing
Natural system modifications - Fire & fire suppression - Increase in fire frequency/intensity Medium Ongoing - increasing
Agriculture & aquaculture - Livestock farming & ranching - Nomadic grazing High Ongoing - increasing
Biological resource use - Gathering terrestrial plants Medium Ongoing - increasing
Agriculture & aquaculture - Annual & perennial non-timber crops - Small-holder farming Medium Ongoing - increasing
Natural system modifications - Fire & fire suppression - Increase in fire frequency/intensity Medium Ongoing - increasing
Agriculture & aquaculture - Livestock farming & ranching - Nomadic grazing High Ongoing - increasing
Biological resource use - Gathering terrestrial plants Medium Ongoing - increasing
Agriculture & aquaculture - Annual & perennial non-timber crops - Small-holder farming Medium Ongoing - increasing
Natural system modifications - Fire & fire suppression - Increase in fire frequency/intensity Medium Ongoing - increasing
Transportation & service corridors - Roads & railroads Unknown Ongoing - trend unknown
Transportation & service corridors - Roads & railroads Unknown Ongoing - trend unknown
Transportation & service corridors - Roads & railroads Unknown Ongoing - trend unknown

Agriculture & aquaculture - Annual & perennial non-timber crops - Shifting agriculture

Severity:
High
Timing:
Ongoing - increasing

Agriculture & aquaculture - Wood & pulp plantations - Agro-industry plantations

Severity:
High
Timing:
Ongoing - increasing

Agriculture & aquaculture - Livestock farming & ranching - Nomadic grazing

Severity:
High
Timing:
Ongoing - increasing

Biological resource use - Gathering terrestrial plants

Severity:
Medium
Timing:
Ongoing - increasing

Agriculture & aquaculture - Annual & perennial non-timber crops - Small-holder farming

Severity:
Medium
Timing:
Ongoing - increasing

Natural system modifications - Fire & fire suppression - Increase in fire frequency/intensity

Severity:
Medium
Timing:
Ongoing - increasing

Agriculture & aquaculture - Livestock farming & ranching - Nomadic grazing

Severity:
High
Timing:
Ongoing - increasing

Biological resource use - Gathering terrestrial plants

Severity:
Medium
Timing:
Ongoing - increasing

Agriculture & aquaculture - Annual & perennial non-timber crops - Small-holder farming

Severity:
Medium
Timing:
Ongoing - increasing

Natural system modifications - Fire & fire suppression - Increase in fire frequency/intensity

Severity:
Medium
Timing:
Ongoing - increasing

Agriculture & aquaculture - Livestock farming & ranching - Nomadic grazing

Severity:
High
Timing:
Ongoing - increasing

Biological resource use - Gathering terrestrial plants

Severity:
Medium
Timing:
Ongoing - increasing

Agriculture & aquaculture - Annual & perennial non-timber crops - Small-holder farming

Severity:
Medium
Timing:
Ongoing - increasing

Natural system modifications - Fire & fire suppression - Increase in fire frequency/intensity

Severity:
Medium
Timing:
Ongoing - increasing

Transportation & service corridors - Roads & railroads

Severity:
Unknown
Timing:
Ongoing - trend unknown

Transportation & service corridors - Roads & railroads

Severity:
Unknown
Timing:
Ongoing - trend unknown

Transportation & service corridors - Roads & railroads

Severity:
Unknown
Timing:
Ongoing - trend unknown

Protected areas

Protected area name Protected area type Relationship with IPA Areal overlap
Mont Bero Classified Forest protected/conservation area matches IPA 80

Mont Bero

Protected area type:
Classified Forest
Relationship with IPA:
protected/conservation area matches IPA
Areal overlap:
80

Management type

Management type Description Year started Year finished
No management plan in place No value No value

No management plan in place

Year started:
No value
Year finished:
No value

Bibliography

Lisowski, S., 2009

Flore (Angiospermes) de la République de Guinée.

Couch, C., Magassouba, S., Rokni, S. & Cheek, M., 2018

Threatened plants species of Guinea-Conakry: A preliminary checklist

Peerj Preprints

IUCN, 2019

IUCN Red List

Available online

Recommended citation

Charlotte Couch, Pépé Haba, Xander van der Burgt, Martin Cheek, Faya Julien Simbiano (2024) Tropical Important Plant Areas Explorer: Mont Béro Classified Forest (Guinea). https://tipas.kew.org/site/mont-bero-classified-forest/ (Accessed on 21/05/2024)