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Investigating above‐ground biomass in old‐growth and secondary montane forests of the Cameroon Highlands

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Abstract
Tropical montane forests can store and sequester substantial amounts of carbon in above-ground biomass (AGB), but variations in this storage related to location or degradation have not been quantified in the Cameroon Highlands. We established 25 permanent plots (20 m x 40 m) and sampled all trees >= 10 cm diameter following standard RAINFOR protocols. We estimated AGB and investigated variations related to taxonomic and structural forest attributes, including the height-diameter allometry in five forest types (four old-growth dominated by different species and one secondary forest). Secondary forests had significantly lower AGB than old-growth forests (49.4 +/- 2.5 vs. >476.3 +/- 168.7 Mg/ha, respectively), mostly related to lower basal area and tree height. Significant differences in species composition but not in forest structure or AGB were found between the four types of old-growth forests studied, located at different altitudes and mountains. We discuss the importance of these montane forests for carbon storage and, considering their high diversity and current threats, their potential for carbon finance mechanisms related to both avoided deforestation and forest restoration.
Keywords
Ecology, Evolution, Behavior and Systematics

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MLA
Ngute, Alain Senghor K., et al. “Investigating Above‐ground Biomass in Old‐growth and Secondary Montane Forests of the Cameroon Highlands.” AFRICAN JOURNAL OF ECOLOGY, 2020.
APA
Ngute, A. S. K., Sonké, B., Nsanyi Sainge, M., Calders, K., Marchant, R., & Cuni‐Sanchez, A. (2020). Investigating above‐ground biomass in old‐growth and secondary montane forests of the Cameroon Highlands. AFRICAN JOURNAL OF ECOLOGY.
Chicago author-date
Ngute, Alain Senghor K., Bonaventure Sonké, Moses Nsanyi Sainge, Kim Calders, Rob Marchant, and Aida Cuni‐Sanchez. 2020. “Investigating Above‐ground Biomass in Old‐growth and Secondary Montane Forests of the Cameroon Highlands.” AFRICAN JOURNAL OF ECOLOGY.
Chicago author-date (all authors)
Ngute, Alain Senghor K., Bonaventure Sonké, Moses Nsanyi Sainge, Kim Calders, Rob Marchant, and Aida Cuni‐Sanchez. 2020. “Investigating Above‐ground Biomass in Old‐growth and Secondary Montane Forests of the Cameroon Highlands.” AFRICAN JOURNAL OF ECOLOGY.
Vancouver
1.
Ngute ASK, Sonké B, Nsanyi Sainge M, Calders K, Marchant R, Cuni‐Sanchez A. Investigating above‐ground biomass in old‐growth and secondary montane forests of the Cameroon Highlands. AFRICAN JOURNAL OF ECOLOGY. 2020;
IEEE
[1]
A. S. K. Ngute, B. Sonké, M. Nsanyi Sainge, K. Calders, R. Marchant, and A. Cuni‐Sanchez, “Investigating above‐ground biomass in old‐growth and secondary montane forests of the Cameroon Highlands,” AFRICAN JOURNAL OF ECOLOGY, 2020.
@article{8645322,
  abstract     = {Tropical montane forests can store and sequester substantial amounts of carbon in above-ground biomass (AGB), but variations in this storage related to location or degradation have not been quantified in the Cameroon Highlands. We established 25 permanent plots (20 m x 40 m) and sampled all trees >= 10 cm diameter following standard RAINFOR protocols. We estimated AGB and investigated variations related to taxonomic and structural forest attributes, including the height-diameter allometry in five forest types (four old-growth dominated by different species and one secondary forest). Secondary forests had significantly lower AGB than old-growth forests (49.4 +/- 2.5 vs. >476.3 +/- 168.7 Mg/ha, respectively), mostly related to lower basal area and tree height. Significant differences in species composition but not in forest structure or AGB were found between the four types of old-growth forests studied, located at different altitudes and mountains. We discuss the importance of these montane forests for carbon storage and, considering their high diversity and current threats, their potential for carbon finance mechanisms related to both avoided deforestation and forest restoration.},
  author       = {Ngute, Alain Senghor K. and Sonké, Bonaventure and Nsanyi Sainge, Moses and Calders, Kim and Marchant, Rob and Cuni‐Sanchez, Aida},
  issn         = {0141-6707},
  journal      = {AFRICAN JOURNAL OF ECOLOGY},
  keywords     = {Ecology,Evolution,Behavior and Systematics},
  language     = {eng},
  title        = {Investigating above‐ground biomass in old‐growth and secondary montane forests of the Cameroon Highlands},
  url          = {http://dx.doi.org/10.1111/aje.12719},
  year         = {2020},
}

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