Nauclea diderrichii 129 claims

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129 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

Nauclea diderrichii basal area ranged from 12.0 to 12.1 m2/ha.

Taxon: N. diderrichiiNauclea diderrichiie0
Outcome: basal areae0
Value: 12.0 m2/ha - 12.1 m2/hae0

Verbatim

e0
“Mean basal area, volume, biomass and carbon stock in T. ivorensis stands were: 9.4 - 19.4 m2/ha, 63.5 - 252 m3/ha, 48.8 t/ha - to 188.6 t/ha and 24.4 t/ha - 94.3 t/ha, respectively while they were 12.0 m2/ha - 12.1 m2/ha, 118.4 m3/ha - 195.8 m3/ha, 187.0 t/ha - 214.6 t/ha and 93.5 t/ha - 107.3 t/ha in N. diderrichii plantations”
✓ located verbatim in the source · abstract, characters 1089–1418

Title

Tree growth characteristics, stand productivity and carbon storage in age series indigenous species demonstration plantations in Forest Research Institute of Nigeria

Quadri Onilude; Oluseun Ogunade; Abdulwaheed Salaudeen; et al. Turkish Journal of Forestry | Türkiye Ormancılık Dergisi 2025. doi:10.18182/tjf.1577813

Other claims from this paper (11)

Observation Terminalia ivorensis merchantability was 66.5-81.4%.
Observation Terminalia ivorensis basal area ranged from 9.4 to 19.4 m2/ha.
Observation Terminalia ivorensis stand volume ranged from 63.5 to 252 m3/ha.
Observation Terminalia ivorensis biomass ranged from 48.8 to 188.6 t/ha.
Observation Terminalia ivorensis carbon stock ranged from 24.4 to 94.3 t/ha.
Observation Nauclea diderrichii stand volume ranged from 118.4 to 195.8 m3/ha.
Observation Nauclea diderrichii biomass ranged from 187.0 to 214.6 t/ha.
Observation Nauclea diderrichii carbon stock ranged from 93.5 to 107.3 t/ha.
Association Both species were highly merchantable without a difference between them.
Association The two species had good growth and productivity compared with some tropical plantation species.
Recommendation The stands are suitable candidates for timber, carbon sequestration and climate mitigation.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Nauclea diderrichii stand volume ranged from 118.4 to 195.8 m3/ha.

Taxon: N. diderrichiiNauclea diderrichiie0
Outcome: volumee0
Value: 118.4 m3/ha - 195.8 m3/hae0

Verbatim

e0
“Mean basal area, volume, biomass and carbon stock in T. ivorensis stands were: 9.4 - 19.4 m2/ha, 63.5 - 252 m3/ha, 48.8 t/ha - to 188.6 t/ha and 24.4 t/ha - 94.3 t/ha, respectively while they were 12.0 m2/ha - 12.1 m2/ha, 118.4 m3/ha - 195.8 m3/ha, 187.0 t/ha - 214.6 t/ha and 93.5 t/ha - 107.3 t/ha in N. diderrichii plantations”
✓ located verbatim in the source · abstract, characters 1089–1418

Title

Tree growth characteristics, stand productivity and carbon storage in age series indigenous species demonstration plantations in Forest Research Institute of Nigeria

Quadri Onilude; Oluseun Ogunade; Abdulwaheed Salaudeen; et al. Turkish Journal of Forestry | Türkiye Ormancılık Dergisi 2025. doi:10.18182/tjf.1577813

Other claims from this paper (11)

Observation Terminalia ivorensis merchantability was 66.5-81.4%.
Observation Terminalia ivorensis basal area ranged from 9.4 to 19.4 m2/ha.
Observation Terminalia ivorensis stand volume ranged from 63.5 to 252 m3/ha.
Observation Terminalia ivorensis biomass ranged from 48.8 to 188.6 t/ha.
Observation Terminalia ivorensis carbon stock ranged from 24.4 to 94.3 t/ha.
Observation Nauclea diderrichii basal area ranged from 12.0 to 12.1 m2/ha.
Observation Nauclea diderrichii biomass ranged from 187.0 to 214.6 t/ha.
Observation Nauclea diderrichii carbon stock ranged from 93.5 to 107.3 t/ha.
Association Both species were highly merchantable without a difference between them.
Association The two species had good growth and productivity compared with some tropical plantation species.
Recommendation The stands are suitable candidates for timber, carbon sequestration and climate mitigation.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Nauclea diderrichii biomass ranged from 187.0 to 214.6 t/ha.

Taxon: N. diderrichiiNauclea diderrichiie0
Outcome: biomasse0
Value: 187.0 t/ha - 214.6 t/hae0

Verbatim

e0
“Mean basal area, volume, biomass and carbon stock in T. ivorensis stands were: 9.4 - 19.4 m2/ha, 63.5 - 252 m3/ha, 48.8 t/ha - to 188.6 t/ha and 24.4 t/ha - 94.3 t/ha, respectively while they were 12.0 m2/ha - 12.1 m2/ha, 118.4 m3/ha - 195.8 m3/ha, 187.0 t/ha - 214.6 t/ha and 93.5 t/ha - 107.3 t/ha in N. diderrichii plantations”
✓ located verbatim in the source · abstract, characters 1089–1418

Title

Tree growth characteristics, stand productivity and carbon storage in age series indigenous species demonstration plantations in Forest Research Institute of Nigeria

Quadri Onilude; Oluseun Ogunade; Abdulwaheed Salaudeen; et al. Turkish Journal of Forestry | Türkiye Ormancılık Dergisi 2025. doi:10.18182/tjf.1577813

Other claims from this paper (11)

Observation Terminalia ivorensis merchantability was 66.5-81.4%.
Observation Terminalia ivorensis basal area ranged from 9.4 to 19.4 m2/ha.
Observation Terminalia ivorensis stand volume ranged from 63.5 to 252 m3/ha.
Observation Terminalia ivorensis biomass ranged from 48.8 to 188.6 t/ha.
Observation Terminalia ivorensis carbon stock ranged from 24.4 to 94.3 t/ha.
Observation Nauclea diderrichii basal area ranged from 12.0 to 12.1 m2/ha.
Observation Nauclea diderrichii stand volume ranged from 118.4 to 195.8 m3/ha.
Observation Nauclea diderrichii carbon stock ranged from 93.5 to 107.3 t/ha.
Association Both species were highly merchantable without a difference between them.
Association The two species had good growth and productivity compared with some tropical plantation species.
Recommendation The stands are suitable candidates for timber, carbon sequestration and climate mitigation.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Nauclea diderrichii carbon stock ranged from 93.5 to 107.3 t/ha.

Taxon: N. diderrichiiNauclea diderrichiie0
Outcome: carbon stocke0
Value: 93.5 t/ha - 107.3 t/hae0

Verbatim

e0
“Mean basal area, volume, biomass and carbon stock in T. ivorensis stands were: 9.4 - 19.4 m2/ha, 63.5 - 252 m3/ha, 48.8 t/ha - to 188.6 t/ha and 24.4 t/ha - 94.3 t/ha, respectively while they were 12.0 m2/ha - 12.1 m2/ha, 118.4 m3/ha - 195.8 m3/ha, 187.0 t/ha - 214.6 t/ha and 93.5 t/ha - 107.3 t/ha in N. diderrichii plantations”
✓ located verbatim in the source · abstract, characters 1089–1418

Title

Tree growth characteristics, stand productivity and carbon storage in age series indigenous species demonstration plantations in Forest Research Institute of Nigeria

Quadri Onilude; Oluseun Ogunade; Abdulwaheed Salaudeen; et al. Turkish Journal of Forestry | Türkiye Ormancılık Dergisi 2025. doi:10.18182/tjf.1577813

Other claims from this paper (11)

Observation Terminalia ivorensis merchantability was 66.5-81.4%.
Observation Terminalia ivorensis basal area ranged from 9.4 to 19.4 m2/ha.
Observation Terminalia ivorensis stand volume ranged from 63.5 to 252 m3/ha.
Observation Terminalia ivorensis biomass ranged from 48.8 to 188.6 t/ha.
Observation Terminalia ivorensis carbon stock ranged from 24.4 to 94.3 t/ha.
Observation Nauclea diderrichii basal area ranged from 12.0 to 12.1 m2/ha.
Observation Nauclea diderrichii stand volume ranged from 118.4 to 195.8 m3/ha.
Observation Nauclea diderrichii biomass ranged from 187.0 to 214.6 t/ha.
Association Both species were highly merchantable without a difference between them.
Association The two species had good growth and productivity compared with some tropical plantation species.
Recommendation The stands are suitable candidates for timber, carbon sequestration and climate mitigation.

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Both species were highly merchantable without a difference between them.

Taxon: N. diderrichii and T. ivorensisNauclea diderrichiiTerminalia ivorensist0
Outcome: merchantabilitye0
Direction: no differencee0
Comparator: both speciese0

Verbatim

e0
“Both species demonstrated a high degree of merchantability, with no difference between them”
✓ located verbatim in the source · abstract, characters 929–1020

t0
“N. diderrichii and T. ivorensis”
✓ located verbatim in the source · abstract, characters 1603–1634

Title

Tree growth characteristics, stand productivity and carbon storage in age series indigenous species demonstration plantations in Forest Research Institute of Nigeria

Quadri Onilude; Oluseun Ogunade; Abdulwaheed Salaudeen; et al. Turkish Journal of Forestry | Türkiye Ormancılık Dergisi 2025. doi:10.18182/tjf.1577813

Other claims from this paper (11)

Observation Terminalia ivorensis merchantability was 66.5-81.4%.
Observation Terminalia ivorensis basal area ranged from 9.4 to 19.4 m2/ha.
Observation Terminalia ivorensis stand volume ranged from 63.5 to 252 m3/ha.
Observation Terminalia ivorensis biomass ranged from 48.8 to 188.6 t/ha.
Observation Terminalia ivorensis carbon stock ranged from 24.4 to 94.3 t/ha.
Observation Nauclea diderrichii basal area ranged from 12.0 to 12.1 m2/ha.
Observation Nauclea diderrichii stand volume ranged from 118.4 to 195.8 m3/ha.
Observation Nauclea diderrichii biomass ranged from 187.0 to 214.6 t/ha.
Observation Nauclea diderrichii carbon stock ranged from 93.5 to 107.3 t/ha.
Association The two species had good growth and productivity compared with some tropical plantation species.
Recommendation The stands are suitable candidates for timber, carbon sequestration and climate mitigation.

Associationauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The two species had good growth and productivity compared with some tropical plantation species.

Taxon: N. diderrichii and T. ivorensisNauclea diderrichiiTerminalia ivorensist0
Outcome: growth rate and productivitye0
Direction: goode0
Comparator: some tropical plantation tree speciese0

Verbatim

e0
“The two tree species have a good growth rate and productivity when compared with some tropical plantation tree species.”
✓ located verbatim in the source · abstract, characters 1420–1539

t0
“N. diderrichii and T. ivorensis”
✓ located verbatim in the source · abstract, characters 1603–1634

Title

Tree growth characteristics, stand productivity and carbon storage in age series indigenous species demonstration plantations in Forest Research Institute of Nigeria

Quadri Onilude; Oluseun Ogunade; Abdulwaheed Salaudeen; et al. Turkish Journal of Forestry | Türkiye Ormancılık Dergisi 2025. doi:10.18182/tjf.1577813

Other claims from this paper (11)

Observation Terminalia ivorensis merchantability was 66.5-81.4%.
Observation Terminalia ivorensis basal area ranged from 9.4 to 19.4 m2/ha.
Observation Terminalia ivorensis stand volume ranged from 63.5 to 252 m3/ha.
Observation Terminalia ivorensis biomass ranged from 48.8 to 188.6 t/ha.
Observation Terminalia ivorensis carbon stock ranged from 24.4 to 94.3 t/ha.
Observation Nauclea diderrichii basal area ranged from 12.0 to 12.1 m2/ha.
Observation Nauclea diderrichii stand volume ranged from 118.4 to 195.8 m3/ha.
Observation Nauclea diderrichii biomass ranged from 187.0 to 214.6 t/ha.
Observation Nauclea diderrichii carbon stock ranged from 93.5 to 107.3 t/ha.
Association Both species were highly merchantable without a difference between them.
Recommendation The stands are suitable candidates for timber, carbon sequestration and climate mitigation.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The stands are suitable candidates for timber, carbon sequestration and climate mitigation.

Taxon: N. diderrichii and T. ivorensisNauclea diderrichiiTerminalia ivorensist0
Outcome: suitability as candidates for good quality timber, carbon sequestration and climate change mitigatione0

Verbatim

e0
“The productivity, merchantability, biomass and carbon stock of N. diderrichii and T. ivorensis stands are indicating their suitability as candidates for good quality timber, carbon sequestration and climate change mitigation.”
✓ located verbatim in the source · abstract, characters 1540–1765

t0
“N. diderrichii and T. ivorensis”
✓ located verbatim in the source · abstract, characters 1603–1634

Title

Tree growth characteristics, stand productivity and carbon storage in age series indigenous species demonstration plantations in Forest Research Institute of Nigeria

Quadri Onilude; Oluseun Ogunade; Abdulwaheed Salaudeen; et al. Turkish Journal of Forestry | Türkiye Ormancılık Dergisi 2025. doi:10.18182/tjf.1577813

Other claims from this paper (11)

Observation Terminalia ivorensis merchantability was 66.5-81.4%.
Observation Terminalia ivorensis basal area ranged from 9.4 to 19.4 m2/ha.
Observation Terminalia ivorensis stand volume ranged from 63.5 to 252 m3/ha.
Observation Terminalia ivorensis biomass ranged from 48.8 to 188.6 t/ha.
Observation Terminalia ivorensis carbon stock ranged from 24.4 to 94.3 t/ha.
Observation Nauclea diderrichii basal area ranged from 12.0 to 12.1 m2/ha.
Observation Nauclea diderrichii stand volume ranged from 118.4 to 195.8 m3/ha.
Observation Nauclea diderrichii biomass ranged from 187.0 to 214.6 t/ha.
Observation Nauclea diderrichii carbon stock ranged from 93.5 to 107.3 t/ha.
Association Both species were highly merchantable without a difference between them.
Association The two species had good growth and productivity compared with some tropical plantation species.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Nauclea diderrichii had the lowest microbial diversity.

Taxon: Nauclea diderrichiiNauclea diderrichiie0
Outcome: microbial diversitye0
Direction: loweste0

Verbatim

e0
“Bacillus spp was the most predominant bacterium; Aspergillus spp was the most predominant fungus, highest microbial diversity was observed under Tectona grandis and Gmelina arborea, and lowest microbial diversity was found under Nauclea diderrichii.”
✓ located verbatim in the source · abstract, characters 1066–1315

Title

Microbial Population Dynamics under Tropical Trees in an Arboretum

Nengi-Benwari, A.O.; Amaechi, G; Marcus, M.U. Asian Journal of Current Research 2025. doi:10.56557/ajocr/2025/v10i29204

Other claims from this paper (14)

Association Rhizosphere microbial population differed significantly among tree species.
Observation Tectona grandis had the highest microbial population, 4.6x106 cfu/g.
Observation Irvingia gabonensis had the lowest microbial population.
Observation The total heterotrophic bacteria population had a range of 0.88x106cfu/g – 4.6x106 cfu/g.
Observation The total heterotrophic fungi population had a range of 3.0x103 cfu/g – 15.0 x103 cfu/g.
Association Microbial diversity varied across the tree species.
Observation 11 Bacteria species were identified.
Observation 9 fungi species were identified.
Observation Bacillus spp was the most predominant bacterium in the tree rhizosphere.
Observation Aspergillus spp was the most predominant fungus in the tree rhizosphere.
Observation Tectona grandis had the highest microbial diversity.
Observation Gmelina arborea had the highest microbial diversity.
Association The five tropical tree species affected microbial community structure, with Tectona grandis having the greatest effect.
Recommendation The authors recommend Tectona grandis for agroforestry to improve nutrient availability and sustainable agriculture.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Four-node cuttings (T4) had the best survival rate (4.50) among nodal treatments of Nauclea diderrichii.

Taxon: Nauclea diderrichiiNauclea diderrichiit0
Treatment: T4e1
Outcome: survival ratee1
Direction: best performancee1
Value: 4.50e1

Not reportedComparator

Verbatim

e1
“nodal cuttings in treatment T4, had the best performance (4.50) in the survival rate”
✓ located verbatim in the source · abstract, characters 654–738

t0
“Nodal influence on Nauclea diderrichii (De Willd and T. Durand) merill juvenile stem cutting”
✓ located verbatim in the source · title, characters 0–92

Title

Nodal influence on Nauclea diderrichii (De Willd and T. Durand) merill juvenile stem cutting

A. A. Oyedeji; O. F. Oyedeji Scientia Africana 2024. doi:10.4314/sa.v23i1.14

Other claims from this paper (8)

Intervention effect One-node cuttings (T1) had the lowest mean survival rate (2.75).
Intervention effect Four-node cuttings (T4) had the highest numbers of roots, shoots and leaves.
Intervention effect Four-node cuttings (T4) had the longest shoot and root length.
Intervention effect One-node cuttings (T1) had the lowest numbers of roots, shoots and leaves.
Intervention effect One-node cuttings (T1) had the shortest shoot and root length.
Association Cutting performance improved with more nodes per cutting.
Intervention effect ANOVA showed the nodal treatments differed significantly at the 0.05 probability level.
Recommendation The authors recommend four-node cuttings for mass production of N. diderrichii.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

One-node cuttings (T1) had the lowest mean survival rate (2.75).

Taxon: Nauclea diderrichiiNauclea diderrichiit0
Treatment: T1e1
Outcome: mean survival ratee1
Direction: leaste1
Value: 2.75e1

Not reportedComparator

Verbatim

e1
“the least mean survival rate is T1 with 2.75”
✓ located verbatim in the source · abstract, characters 745–789

t0
“Nodal influence on Nauclea diderrichii (De Willd and T. Durand) merill juvenile stem cutting”
✓ located verbatim in the source · title, characters 0–92

Title

Nodal influence on Nauclea diderrichii (De Willd and T. Durand) merill juvenile stem cutting

A. A. Oyedeji; O. F. Oyedeji Scientia Africana 2024. doi:10.4314/sa.v23i1.14

Other claims from this paper (8)

Intervention effect Four-node cuttings (T4) had the best survival rate (4.50) among nodal treatments of Nauclea diderrichii.
Intervention effect Four-node cuttings (T4) had the highest numbers of roots, shoots and leaves.
Intervention effect Four-node cuttings (T4) had the longest shoot and root length.
Intervention effect One-node cuttings (T1) had the lowest numbers of roots, shoots and leaves.
Intervention effect One-node cuttings (T1) had the shortest shoot and root length.
Association Cutting performance improved with more nodes per cutting.
Intervention effect ANOVA showed the nodal treatments differed significantly at the 0.05 probability level.
Recommendation The authors recommend four-node cuttings for mass production of N. diderrichii.