Paper · 2024 · Open Journal of Forestry

Floristic Diversity in Forest Management Units: Implications for Biodiversity Conservation in FMU 09-025

Agbor James Ayamba; Amos Fang Zeh; Kamah Pascal Bumtu; et al.

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citations
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Open access · cc-by

Abstract

The assessment of floristic composition and diversity is very important in forest management units. This study sets out to determine the species diversity and implications for biodiversity conservation in FMU 09-025 of the Campo Ma’an National park, South Region of Cameroon. Due to human activities in the area, the study site was divided into two Blocks (A and B). The transect method was employed in data collection. A total 14 long transects were established parallel to each other in blocks at a distance of 3 km apart, 8 transects in Block A and 6 Transects in Block. In each transect, plots of 20 × 500 m were established at intervals of 500 m. Within each plot, all individual trees ≥ 10 cm were identified, measured, and recorded. The DBH of all trees were measured at 1.3 using the DBH meter tape. The height of trees was measured through estimation (average estimates of all field researchers). Results revealed a total of eight thousand one hundred and twenty four (8124) individual plants with DBH ≥ 10 cm in the entire study area. From this number, 5113 tree stems ≥ 10 cm were identified and measured in Block A. This belongs to 216 species in 47 families. In block B a total of and 5011 stems were identified and measured. This belongs to 239 species in 47 families. Fabaceae, Annonaceae, Euphorbiaceae and Rubiaceae were found to be the most dominant plant families in the study site. Erythrophleum ivorense, Lophira alata, Dialium bipindense, Musanga cecropioides, Alstonia boonei, Pterocarpus soyauxii, Guibourtia ehie, Staudtia kamerunensis, Desbordesia glaucescens, Sacoglottis gabonensis were found to be the most dominant plant species. 41 species are of conservation concern according to the IUCN global Red List 2023 and IUCN local status. These species are considered species with high-priority for conservation. We have 6 endangered species, 11 near Threatened species, and 25 vulnerable species. There was no significant difference in species diversity in the two Blocks.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 12

Observationobservedoriginal resultmeasured

Claim · model-written summary

The study recorded 8124 plants with DBH at least 10 cm.

Taxon
individual plantse0
Outcome
individual plants with DBH ≥ 10 cme0
Value
8124e0

Verbatim

e0

“eight thousand one hundred and twenty four (8124) individual plants with DBH ≥ 10 cm in the entire study area”

✓ located verbatim in the source · abstract, characters 934–1043 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Block A had 5113 tree stems, 216 species, and 47 families.

Taxon
tree stemse0
Outcome
tree stems ≥ 10 cme0
Value
5113e0
Setting
Block Ae0

Verbatim

e0

“5113 tree stems ≥ 10 cm were identified and measured in Block A. This belongs to 216 species in 47 families”

✓ located verbatim in the source · abstract, characters 1063–1170 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Fabaceae, Annonaceae, Euphorbiaceae and Rubiaceae were the dominant families.

Taxon
Fabaceae, Annonaceae, Euphorbiaceae and RubiaceaeFabaceaeEuphorbiaceaeAnnonaceaeRubiaceaee0
Outcome
most dominant plant familiese0

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e0

“Fabaceae, Annonaceae, Euphorbiaceae and Rubiaceae were found to be the most dominant plant families in the study site”

✓ located verbatim in the source · abstract, characters 1283–1400 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Ten named species were the dominant species.

Taxon
Erythrophleum ivorense, Lophira alata, Dialium bipindense, Musanga cecropioides, Alstonia boonei, Pterocarpus soyauxii, Guibourtia ehie, Staudtia kamerunensis, Desbordesia glaucescens, Sacoglottis gabonensisErythrophleum ivorenseAlstonia booneiGuibourtia ehieStaudtia kamerunensisDesbordesia glaucescensSacoglottis gabonensisLophira alataPterocarpus soyauxiiMusanga cecropioidesDialium bipindensee0
Outcome
most dominant plant speciese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Alstonia boonei
Alstonia boonei · TaxonAkouete · CC BY-SA 4.0 · Wikimedia Commons ↗
Sacoglottis gabonensis
Sacoglottis gabonensis · Taxon · picture from its Wikimedia Commons categorybotaneek · CC BY-SA 4.0 · Wikimedia Commons ↗
Lophira alata
Lophira alata · TaxonAjit Ampalakkad · CC0 · Wikimedia Commons ↗
Musanga cecropioides
Musanga cecropioides · TaxonFabMoustic · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Erythrophleum ivorense, Lophira alata, Dialium bipindense, Musanga cecropioides, Alstonia boonei, Pterocarpus soyauxii, Guibourtia ehie, Staudtia kamerunensis, Desbordesia glaucescens, Sacoglottis gabonensis were found to be the most dominant plant species”

✓ located verbatim in the source · abstract, characters 1402–1658 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Forty-one species were of conservation concern.

Taxon
speciese0
Outcome
species are of conservation concerne0
Value
41 speciese0

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e0

“41 species are of conservation concern according to the IUCN global Red List 2023 and IUCN local status”

✓ located verbatim in the source · abstract, characters 1660–1763 · show in text ↑
Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Species diversity did not differ significantly between blocks.

Taxon
speciese0
Outcome
species diversitye0
Direction
no significant differencee0
Comparator
the two Blockse0

Verbatim

e0

“There was no significant difference in species diversity in the two Blocks”

✓ located verbatim in the source · abstract, characters 1924–1998 · show in text ↑