Which allometric models are the most appropriate for estimating aboveground biomass in secondary forests of Madagascar with Ravenala madagascariensis?

Randrianasolo, Zafyson H.; Razafimahatratra, Andriambelo Radonirina; Razafinarivo, Ravo N.G.; Randrianary, Telina; Rakotovololonalimanana, Herizo; Rajemison, Andraina H.; Mamitiana, Andriamanjato; Andriamanalina, Roger L.; Rakotosoa, Andrianina; Ramananantoandro, Tahiana

doi:10.1016/j.sciaf.2019.e00147

Cited by 4 publications

(1 citation statement)

References 25 publications

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“…Therefore, this study seeks to determine the absorption rate of CO and H O as well as the density value of O. sumatrana the principle of incentive that is valued based on performance. This system is responsible for measuring, monitoring, and reporting the emission level of forests periodically in a valid, accurate, transparent, holistic, and open manner, thereby allowing for quantitative valuation of REDD+ performance (Indonesia REDD+ Task Force, 2012; Stas et al, 2017;Randrianasolo et al, 2019). Another important factor is the uncertainty in the implementation of REDD+, namely the presence of additionality and leakage, which has encouraged numerous studies on forest biomass (Mardiatmoko, 2018).…”

Section: Introductionmentioning

confidence: 99%

The Moisture Content and Absorption Levels of Carbon Dioxide in Binuang Bini (Octomeles sumatrana Miq) Trees For Climate Change Management

Kailola¹,

Mardiatmoko²,

Simanjuntak³

et al. 2021

jtfm

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Binuang bini (Octomeles sumatrana Miq) is a fast-growing tree with numerous economic benefits, such as the provision of wood for carpentry purposes, building boards, water management, and absorption of carbon dioxide (CO2). Therefore, this tree species has great potential and needs to be included in Reducing Emission from Deforestation and Forest Degradation (REDD)+'s mitigation program to tackle climate change. In its development, REDD+ has made it possible to carry out carbon trading in the world. Therefore, countries capable of performing protective functions and carry out reforestation, afforestation, and restoration, have the opportunity to be involved in world carbon trading. This study aims to determine the moisture content and carbon absorption rate of Binuang bini trees as a first step to regulate the allometric equation using destructive and laboratory analysis. The results show that the water content in the roots, leaves, as well as the base, middle, and tip of the stem were: 73.69%, 68.39%, 65.59%, 61.22%, and 66.26%, respectively. Furthermore, the sample test results indicate a very close relationship between carbon concentration and absorbance in the O. sumatrana tree with a simple linear regression equation: Y = 0.002X + 0.0593 with R2 = 0.9896. Therefore, this regression equation can be used to calculate the carbon concentration sample for the O. sumatrana tree fraction. The carbon content in 3 tree samples with a breast height diameter of 9.24 cm, 10.08 cm, and 11.68 cm was 2,585 kg. 2,913 kg, and 4,654 kg, respectively. In addition, the carbon sequestration for each tree diameter per year is 1.581 kg year-1, 1,782 kg year-1and 2,847 kg year-1, respectively.

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Section: Introductionmentioning

confidence: 99%

The Moisture Content and Absorption Levels of Carbon Dioxide in Binuang Bini (Octomeles sumatrana Miq) Trees For Climate Change Management

Kailola¹,

Mardiatmoko²,

Simanjuntak³

et al. 2021

jtfm

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Aboveground carbon stocks in Madagascar’s vanilla production landscape – exploring rehabilitation through agroforestry in the light of land-use history

Soazafy

Osen

Wurz

et al. 2021

Global Ecology and Conservation

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Continuous Degradation of Forest Structure and Composition Causes a Shift in Phorophytes and Population Genetics in Aphyllous Vanilla Species

Botomanga,

Andriamihaja,

Besse

et al. 2024

Tropical Conservation Science

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Background and Research Aims The natural habitats of aphyllous vanillas in Madagascar have been extensively degraded by human activities. The implications of this degradation are complex given their intricate interactions with other organisms. This study highlights possible approaches to the conservation of aphyllous vanillas after examining the impact of forest degradation on phorophyte diversity, reproductive modes, and genetic diversity. Methods We conducted comparative studies of conserved and degraded forests in two contrasting bioclimatic zones. We characterized the changes in horizontal and vertical forest structures and assessed the ecological importance of the tree species. We identified the preferred phorophytes of two aphyllous Vanilla species, Vanilla madagascariensis and Vanilla decaryana, and investigated their population genetics. Results and Conclusions Our findings confirmed a declining trend in tree diversity, number of trees, and cover rate in degraded forests. Canopy openness is associated with an increase in the number of phorophytes and the asexual reproductive mode of Vanilla species. Dominant tree species were more likely to become phorophytes, and there was a positive correlation between phorophyte diameter and number of hosted vanilla individuals. Significant deviations from the Hardy-Weinberg equilibrium were observed in each population, particularly in the dry forest and degraded sites, compared with the conserved sites. Additionally, slight differentiation was observed between vanilla populations in conserved and degraded forests, with an alarming effective population size (Ne) that did not exceed 13 individuals. Conservation Implications We recommend the introduction of new genotypes to promote genetic enrichment, the ban on logging potential phorophytes, and the inclusion of some degraded forests comprising Vanilla species in conservation.

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Which allometric models are the most appropriate for estimating aboveground biomass in secondary forests of Madagascar with Ravenala madagascariensis?

Cited by 4 publications

References 25 publications

The Moisture Content and Absorption Levels of Carbon Dioxide in Binuang Bini (Octomeles sumatrana Miq) Trees For Climate Change Management

The Moisture Content and Absorption Levels of Carbon Dioxide in Binuang Bini (Octomeles sumatrana Miq) Trees For Climate Change Management

Aboveground carbon stocks in Madagascar’s vanilla production landscape – exploring rehabilitation through agroforestry in the light of land-use history

Continuous Degradation of Forest Structure and Composition Causes a Shift in Phorophytes and Population Genetics in Aphyllous Vanilla Species

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