Estimation of Total Carbon Stocks in Soil and Vegetation of Tropical Peat Forest in Indonesia

Suwarna, Ujang; Elias, Md.; Istomo,

doi:10.7226/jtfm.18.2.118

Cited by 7 publications

(10 citation statements)

References 18 publications

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“…The measured biomass values were compared with predictions of three previously published tropical rainforest models (Yamakura et al 1986, Basuki et al 2009, and Niiyama et al 2010) and one peat swamp forest model (Suwarna et al 2012) (Table 3), referred to hereafter as the Yamakura, Basuki, Niiyama, and Suwarna models, respectively. The Yamakura and Basuki models are allometric equations for AGB which are based on the tropical lowland dipterocarp forests of East Kalimantan, Indonesia.…”

Section: Biomass Model Comparisons and Fittingmentioning

confidence: 99%

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Allometric equations considering the influence of hollow trees: A case study for tropical peat swamp forest in Sarawak

Monda

Kiyono

Melling

et al. 2015

Tropics

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Biomass estimations in tropical peat swamp forests are quite complex when hollow trees are frequently found due to the unavailability of data on hollow size and the limited data on accurate measures of biomass. Destructive samplings were done for both above-(AGB) and belowground biomass (BGB) and hollow sizes of remained trees at a logged-over peat swamp forest in Sarawak, Malaysia. Subsequently, allometric equations taking hollows into account for both the above-and belowground biomass of tropical peat swamp forests were also being developed. It was observed that these were hollows in Shorea albida and Combretocarpus rotundatus trees with diameters at breast height (DBH) exceeding 40 cm; S. albida is a dominant or co-dominant species, and C. rotundatus grows in peat swamp forests throughout Sarawak. The hollow volumes ranged from 0.23 to 1.08 m 3 , and occupied 42.3% of stem volume on average. The larger biomass produced by previous allometric models were partially due to the presence of hollows. Thus, new models for estimating both AGB and BGB were developed that included one (only DBH), two (DBH and height [H]

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Section: Biomass Model Comparisons and Fittingmentioning

confidence: 99%

“…AGB: Yamakura et al 1986, Basuki et al 2009BGB: Niiyama et al 2010). Allometric relations in peat swamp forest trees have rarely been studied (Nishimura & Suzuki 2001 [seedlings up to 98 cm tall], Suwarna et al 2012). In these previous studies, hollow trees have not been considered in model development.…”

Section: Introductionmentioning

confidence: 99%

Allometric equations considering the influence of hollow trees: A case study for tropical peat swamp forest in Sarawak

Monda

Kiyono

Melling

et al. 2015

Tropics

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“…Hutan rawa gambut mempunyai peran dalam penyimpanan massa karbon. Suwarna et al (2012) yang meneliti di hutan rawa gambut pada kawasan konsesi Ijin Usaha Pemanfaatan Hasil Hutan-Hutan Alam (IUPHHK-HA) PT. Diamond Raya Timber (PT.…”

Section: Pendahuluanunclassified

“…Pengukuran kandungan biomassa atau pun massa karbon di atas permukaan tanah, antara lain telah dilakukan oleh Brown (1997) di hutan tropis America, Afrika dan Asia, Segura dan Kanninen (2005) di Northern Costa Rica, Elias dan Wistara (2009) di Desa Jalagaya, Jasinga, Bogor. Suwarna et al (2012) dan Istomo (2006) di konsesi kawasan hutan PT. DRT, Riau, Yuniawati (2011) di PT.…”

Section: Pendahuluanunclassified

“…Tujuan penelitian ini adalah mendapatkan model pendugaan massa karbon hutan rawa gambut menggunakan teknologi ALOS PALSAR di PT. DRT dengan allometrik pohon lokal hasil penelitan Suwarna et al (2012) di kawasan hutan tersebut. Model yang diperoleh diharapkan dapat menduga potensi massa karbon hutan rawa gambut tersebut dengan cakupan kawasan hutan yang lebih luas, cepat dan akurat.…”

Section: Pendahuluanunclassified

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http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPHKA/article/view/1412

Yuwono¹,

Jaya

Elias

2015

jur.pen.hut.konservasi.alam

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Peat swamp forest has been recognized as ecosystem capable of storing up a large amount of carbon. This paper describes a development of carbon mass estimation models using active remote sensing data. The objective of this study was to develop carbon mass volume estimation model using active remote sensing, ALOS PALSAR data. The models were basically developed on the basis of relationship between mean carbon mass and ALOS PALSAR backscatter value of HH and HV and their synthetic bands derivedfrom various pixel sizes, i.e.,(a) 1 x 1 pixel, (b) 3 x 3 pixel and (c) 5 x 5 pixel. The study found agood correlation coefficients between the backscatter value and the stock of carbon. The study also showedthat the best correlation was provided by HV, better than those obtained using HH and HH/HV. The study identified best modelas ŷ=-5,337HV 2-111,8HV-480,1;R²=0,86 and 3x3 pixel

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Carbon stocks, emissions, and aboveground productivity in restored secondary tropical peat swamp forests

Saragi-Sasmito

Murdiyarso

June

et al. 2018

Mitig Adapt Strateg Glob Change

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Tropical wetlands such as peat swamp forests (PSFs) have been known globally as one of the carbon (C)-rich ecosystems. However, there is still a lack of understanding on the C cycle in PSFs, especially in association with land use and cover changes (e.g., ecosystem degradation and restoration). This study presents the C stocks, removals, and emissions dataset, as well as the determining factors from an early restoration stage of secondary tropical PSFs in Central Kalimantan. We assessed various biophysical parameters such as forest structure, above-and belowground C-stocks, aboveground primary productivity, total and heterotrophic soil respirations, and groundwater level (GWL). We found that tree density varied from 1200 to 1825 trees per hectare (ha) across the plots, whereas the mean of stand basal area was 32.86 ± 4.72 m 2 ha −1 . Mean ecosystem C stocks in the study site was 1752 ± 401 Mg-C ha −1 , of which 93% was stored in belowground organic peat soils. A mean aboveground litterfall production of 4.6 ± 0.5 Mg-C ha −1 year −1 and biomass C sequestration through tree diameter increment with 2.7 ± 0.5 Mg-C ha −1 year −1 was obtained. We observed slightly larger portion of annual mean total soil respiration with 14.2 ± 1.1 Mg-C ha −1 year −1 than heterotrophic respiration 11.1 ± 0.9 Mg-C ha −1 year −1 , emphasizing the lower contribution of autotrophic respiration from the belowground rooting system. Findings imply that further conservation management efforts through ecosystem restoration may preserve C stored and enhance C input in PSFs substantially, and could be potentially included in national climate change mitigation strategies.

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Estimation of Total Carbon Stocks in Soil and Vegetation of Tropical Peat Forest in Indonesia

Cited by 7 publications

References 18 publications

Allometric equations considering the influence of hollow trees: A case study for tropical peat swamp forest in Sarawak

Allometric equations considering the influence of hollow trees: A case study for tropical peat swamp forest in Sarawak

http://ejournal.forda-mof.org/ejournal-litbang/index.php/JPHKA/article/view/1412

Carbon stocks, emissions, and aboveground productivity in restored secondary tropical peat swamp forests

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