Mangrove biomass estimation using canopy height and wood density in the South East and East Asian regions

Suwa, Rempei; Rollon, Rene N.; Sharma, Sahadev; Yoshikai, Masaya; Albano, Giannina Marie G.; Ono, Kaori; Adi, Novi Susetyo; Ati, Restu Nur Afi; Kusumaningtyas, Mariska Astrid; Kepel, Terry Louise; Maliao, Ronald J.; Primavera‐Tirol, Yasmin H.; Blanco, A. C.; Nadaoka, Kazuo

doi:10.1016/j.ecss.2020.106937

Cited by 25 publications

(28 citation statements)

References 48 publications

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“…Based on our field observation, mangroves in the Karimunjawa-Kemujan Islands have strong zoning with the dominant species in each zone. Suwa et al [34] reported that the dominant mangrove species in the Karimunjawa-Kemujan Islands are Rhizophora stylosa, Lumnitzera littorea, and Rhizophora apiculata. There are 45 mangrove species in this area, consisting of 27 true mangroves and 18 mangrove associates.…”

Section: Study Areamentioning

confidence: 99%

“…In contrast, the investigation of Saatchi et al [33] found that this regional difference is less pronounced in the terrestrial tropical forests based on the extensive global dataset. This indicates that mangroves have their own local characteristic of the H m -AGB relationship driven by the other forest structural parameters such as cumulative basal area, mean wood density (ρ m ), and environmental parameters [34]. Thus, applying the allometric equation cannot be generalized and should consider the local characteristic of the H m -AGB relationship.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, applying the allometric equation cannot be generalized and should consider the local characteristic of the H m -AGB relationship. Fortunately, Suwa et al [34] have developed an allometric equation designated for the Southeast and East Asia region, including the Karimunjawa area, for estimating mangrove AGB. For developing the equation, they have considered the different species distribution in their study area.…”

Section: Introductionmentioning

confidence: 99%

“…In the present study, we built a high-resolution three-dimensional model of mangrove forest using UAV-imageries, corrected using GNSS and in-situ tree height measurements and then adopted Suwa et al [34],'s equation for estimating mangrove AGB in the Karimunjawa-Kemujan Islands. This is the first high-resolution UAV-based mangrove AGB map which considers the Hm-AGB relationship developed from local characteristics.…”

Section: Introductionmentioning

confidence: 99%

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Mangrove Above-Ground Biomass and Carbon Stock in the Karimunjawa-Kemujan Islands Estimated from Unmanned Aerial Vehicle-Imagery

et al. 2022

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Blue carbon ecosystems in the Karimunjawa Islands may play a vital role in absorbing and storing the releasing carbon from the Java Sea. The present study investigated mangrove above-ground biomass (AGB) and carbon stock in the Karimunjawa-Kemujan Islands, the largest mangrove area in the Karimunjawa Islands. Taking the aerial photos from an Unmanned Aerial Vehicle combined with Global Navigation Satellite System (GNSS) measurements, we generated Digital Surface Model (DSM) and Digital Terrain Model (DTM) with high accuracy. We calculated mangrove canopy height by subtracting DSM from DTM and then converted it into Lorey’s height. The highest mangrove canopy is located along the coastline facing the sea, ranging from 8 m to 15 m. Stunted mangroves 1 m to 8 m in height are detected mainly in the inner areas. AGBs were calculated using an allometric equation destined for the Southeast and East Asia region. Above-ground carbon biomass is half of AGB. The AGB and carbon biomass of mangroves in the Karimunjawa-Kemujan Islands range from 8 Mg/ha to 328 Mg/ha, and from 4 MgC/ha to 164 MgC/ha, respectively. With a total area of 238.98 ha, the potential above-ground carbon stored in the study area is estimated as 16,555.46 Mg.

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Section: Study Areamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mangrove Above-Ground Biomass and Carbon Stock in the Karimunjawa-Kemujan Islands Estimated from Unmanned Aerial Vehicle-Imagery

et al. 2022

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“…The ability of coastal vegetation to absorb carbon is an essential ecosystem service, especially in the era of global climate change [19]. It is necessary to estimate mangrove aboveground biomass on a large scale to understand their role in climate change mitigation efforts [20].…”

Section: Introductionmentioning

confidence: 99%

The Potential of Blue Carbon Stocks and Carbon Dioxide Absorption in Mangrove Forests to Support Low Carbon Emission Development in Southeast Sulawesi Province, Indonesia

Indriyani

Bana

Yasin

et al. 2020

Int. J. Adv. Sci. Eng. Inf. Technol.

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Indonesia is a country with the second-longest coastline globally and has the most extensive mangrove forests in the world. Mangrove forests are included in the blue carbon group, which per hectare store up to four times more carbon storage than tropical forests. Mangrove forests play an essential role in absorbing carbon emissions in the air and storing a lot of carbon compared to natural forests. This study aims to determine carbon storage and CO 2 absorption in mangrove forests in Kabaena Barat Subdistrict, Bombana Regency. The data comes from direct measurements in the field, namely above-ground carbon, carried out without damaging trees, only covering carbon in tree vegetation. It is the largest proportion of carbon storage on land. The data collection used a survey method to identify mangrove species, circumference, tree trunk diameter at breast height (dbh), biomass, carbon storage, CO 2 absorption, and 22 plots of plotted line method with eight transects. The results showed that 10 types of mangrove species were found on the transect observation, namely Avicennia alba, Avicennia marina, Avicennia lanata, Avicennia sp., Bruguiera cylindrica, Bruguiera gymnorhiza, Rhizophora apiculata, Rhizophora mucronata, Sonneratia alba, and Xylocarpus granatum. With the total amount of biomass stored in Kabaena Barat Subdistrict's mangrove forests, Bombana Regency, is 6,664.93 tons ha -1 with carbon storage of 3,065.85 tons ha -1 and carbon dioxide absorption of 11,241.55 tons ha -1 .

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Dissolved and particulate carbon export from a tropical mangrove‐dominated riverine system

Ray

Miyajima

Watanabe

et al. 2021

Limnology & Oceanography

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Despite being a major component in the mangrove carbon (blue carbon) budget, "outwelling" flux (or export to the sea) has gained little attention relative to other biogeochemical fluxes and reservoir carbon stock estimations. This study aims to estimate lateral exchange fluxes of dissolved and particulate organic carbon (DOC, POC) and dissolved inorganic carbon (DIC) from the watershed through a microtidal mangrove-dominated estuary to the coastal sea in Panay Island, Philippines. Along the estuarine transect, consistent addition of DOC, DIC, and POC at higher salinities were attributed to mangrove organic matter input. Upstream groundwater input (carbonate weathering) and downstream mangrove organic matter decomposition (possibly sulfate reduction) were the main controls on DIC. DOC corresponded to relatively pure mangrove sources in creek water, while POC was a mixture of detrital and algal organic matter. The mangrove system acted as net exporter of carbon to the sea in both dry and wet seasons. From short-term observations, outwelling fluxes of mangrovederived DOC, DIC, and POC contributed 27-53%, 8-31%, and 42%, respectively, to their estuarine outflow. Unlike other studies, such low percentage for DIC might result from other external nonmangrove input (e.g., watershed carbonate weathering). Overall estuarine carbon flux was dominated by DIC (90-95%) with only minor contribution from DOC. The approach utilized in this study to estimate lateral carbon flux specific to a small mangrove setting can be useful in delineating blue carbon budgets that avoid geographical and methodological biases.

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Mangrove biomass estimation using canopy height and wood density in the South East and East Asian regions

Cited by 25 publications

References 48 publications

Mangrove Above-Ground Biomass and Carbon Stock in the Karimunjawa-Kemujan Islands Estimated from Unmanned Aerial Vehicle-Imagery

Mangrove Above-Ground Biomass and Carbon Stock in the Karimunjawa-Kemujan Islands Estimated from Unmanned Aerial Vehicle-Imagery

The Potential of Blue Carbon Stocks and Carbon Dioxide Absorption in Mangrove Forests to Support Low Carbon Emission Development in Southeast Sulawesi Province, Indonesia

Dissolved and particulate carbon export from a tropical mangrove‐dominated riverine system

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