Using Allometric Equations to Estimate Mangrove Biomass and Carbon Stock in Demta Bay, Papua Province, Indonesia

Indrayani, Ervina; Kalor, John Dominggus; Warpur, Maklon; Hamuna, Baigo

doi:10.12911/22998993/135945

Cited by 9 publications

(12 citation statements)

References 18 publications

(25 reference statements)

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“…These highest value of CO 2 absorption was linear with the number of individuals invented (232 individual), volume (66.49 m 3 ha), as well as AGB (907.52 Mg ha -1 ) (Zulhalifah et al 2021). The same result has been found by Indrayani et al (2021) who revealed that the average CO 2 emission from the atmospheric at mangrove ecosystem of Demta Bay was 319.37±124.92 Mg CO 2 ha -1 . Harishma et al (2020) also found the similar result in which the CO 2 absorption (513.13 Mg CO 2 /ha) was much higher than this research.…”

Section: Carbon Stock and Co 2 Absorption By A Lanatasupporting

confidence: 86%

“…The total of carbon stock which obtained in this research tends to be smaller than another research. Indrayani et al (2021) found that carbon stock of several mangrove species in Demta Bay, Papua, was much higher. These species was R. apiculata (100.81 Mg C ha -1 ), R. mucronata (61.25 Mg C ha -1 ), and B. gymorrhiza (47.14 Mg C ha -1 ).…”

Section: Carbon Stock and Co 2 Absorption By A Lanatamentioning

confidence: 95%

“…Mangrove ecosystem was a productive ecosystem (Cameron et al 2019;Simard et al 2019) and has an ecological role to absorb and to accumulate heavy metal pollution in the water (Analuddin et al 2017). Moreover, this ecosystem is to mitigate and reduce the impact of global climate change (Adame et al 2017;Phan et al 2019;Sharma et al 2020;Indrayani et al 2021). It is because mangrove plays an important role to supply O 2 , to absorb and to sequestrate CO 2 (Analuddin et al 2020).…”

Section: Introductionmentioning

confidence: 99%

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Allometric Model, Aboveground Biomass and Carbon Sequestration of Natural Regeneration of Avicennia lanata (Ridley). at in-active Pond of Muna Regency, Southeast Sulawesi

et al. 2022

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This study aimed to establish an allometric model for estimation of aboveground biomass, and carbon sequestration in A. lanata mangrove forest growing in Muna Regency, Southeast Sulawesi. Research methods were done by transect and 5 quadrats with size of 100 m2 each. A total of thirteen individual trees with different sizes were harvested. While DBH and D30 were measured. The samples were separated into stems, branches, and leaves and then weighted. The sample from each fresh organs were taken and brought to the Laboratory and then oven dried at 80°C for 7 days. The allometric equations were established by using independent variables (DBH and D30), and dependent variables (Ws, Wb, Wl). The partial and overall aboveground biomasses were calculated from allometric model, while carbon stock and CO2 sequestration were estimated. The results showed that the independent variable of DBH was more applicable for estimation of Ws, Wb, Wl, and total biomasses (Mg ha-1) of A. lanata forest, which were estimated as 28.28±3.48, 6.40±0.79, 5.00±0.66, and 40.08±4.97 respectively. The carbon stock in stems (13.24±1.63 Mg ha-1) was higher than in branches (3.01±0.37 Mg C ha-1) as well as in leaves (2.35±0.31 Mg C ha-1). The total of carbon stock were estimated at about 18.83±2.33 Mg C ha-1. Meanwhile, the total of CO2 absorption by A. lanata mangrove was 43.95±5.45 Mg CO2 ha-1. Therefore a regenerated A. lanata mangrove in this in-active pond area had potentiality on carbon stock and sequestrations, although these vegetation condition was still in the growth stage.

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Section: Carbon Stock and Co 2 Absorption By A Lanatasupporting

confidence: 86%

Section: Carbon Stock and Co 2 Absorption By A Lanatamentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

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Allometric Model, Aboveground Biomass and Carbon Sequestration of Natural Regeneration of Avicennia lanata (Ridley). at in-active Pond of Muna Regency, Southeast Sulawesi

et al. 2022

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“…Meanwhile, the below-ground values in the middle and distal zones are 13.48 Mg ha -1 and 24.36 Mg ha -1 , respectively. The above and below-ground carbon stock in Demta Bay (Papua) is 87.1 ± 34.07 Mg ha -1 (Indrayani et al 2021). Compared to other forest types, the value of the above-ground carbon stock in conservation mangrove forests is also lower.…”

Section: Above-ground and Below-ground Carbonmentioning

confidence: 97%

Carbon stock at several types of mangrove ecosystems in Bregasmalang, Central Java, Indonesia

SUGIATMO

POEDJIRAHAJOE²,

Pudyatmoko³

et al. 2023

Biodiversitas

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Abstract. Sugiatmo, Poedjirahajoe E, Pudyatmoko S, Purwanto RH. 2023. Carbon stock at several types of mangrove ecosystems in Bregasmalang, Central Java, Indonesia. Biodiversitas 24: 182-191. Mangrove ecosystems have an important role but are also faced with the conversion of use and impacts from climate change. Therefore, this research aims to determine the carbon stock above-ground, below-ground, and the soil at several types of mangrove ecosystems in Bregasmalang, Central Java. A total of 8 transect lines, each having a length of 125 m and consisting of six plots, were placed in four types of mangrove ecosystems to obtain data on the diameter of the vegetation and soil at five different depths. Allometric equations were used to analyze diameter data, while the soil compositions were analyzed in the laboratory. The results showed that the total carbon stock in Bregasmalang was 713.13 Mg ha-1 with the details as follows; above-ground 30.27 Mg ha-1 (4%), below-ground 10.99 Mg ha-1 (2%), and soil carbon 671.87 Mg ha-1 (94%). Meanwhile, the total carbon stock in conservation mangrove forests was 763.75 Mg ha-1, rehabilitation mangrove 719.25 Mg ha-1, silvofishery 680.71 Mg ha-1, and ponds 688.81 Mg ha-1. Based on the results, the high soil and total carbon stock in conservation mangroves showed the importance of protecting the ecosystems to mitigate climate change.

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“…Selain itu, ekosistem mangrove juga memiliki peranan yang sangat penting dalam memitigasi dampak perubahan iklim (Sharma et al, 2019;Indrayani et al, 2021). Analuddin et al, (2020) menyatakan bahwa ekosistem mangrove berperanan penting dalam penyuplai O 2 , dan mengabsorbsi CO 2 dari atmosfer.…”

Section: Pendahuluanunclassified

Analisis Vegetasi, Estimasi Biomassa dan Stok Karbon EkosistemMangrove Pesisir Kecamatan Latambaga, Kabupaten Kolaka

Hasidu

Ibrahim²,

Prasetya³

et al. 2021

jsipi

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Studi analisis vegetasi, estimasi biomasa dan stok karbon ekosistem mangrove sangat penting dilakukan untuk menentukan kondisi ekosistem dan kemampuan ekosistem mangrove dalam menyerap karbon dan menyimpannya ke dalam biomassanya. Tujuan dari penelitian ini adalah untuk mengetahui kondisi vegetasi mangrove, persentase tutupan vegetasi, status biomassa permukaan (AGB), serta potensi stok karbon yang tersimpan di vegetasi mangrove di pesisir Kecamatan Latambaga, Kabupaten Kolaka. Penelitian ini dilakukan pada bulan Agustus 2019. Metode penelitian menggunakan transek kuadrat untuk menghitung kerapatan mangrove, selanjutnya dibandingkan dengan metode Hemispherichal Photography untuk mengukur persentase penutupan vegetasi mangrove berbasis pemisahan antara pixel langit dan pixel vegetasi. Data AGB dihitung berdasarkan data diameter batang mangrove (Diameter at Breast Heigh/DBH) dan persamaan allometrik dari setiap spesies. Data stok karbon dihitung dengan menggunakan konstanta karbon dari bahan organik dan data biomassa (AGB). Hasil penelitian menunjukkan, kerapatan mangrove tertinggi secara berturut-turut terdapat di stasiun 2 (5299,99 ind/ha2), stasiun 1 (3466,66 ind/ha2), dan stasiun 3 (3066,66 ind/ha2). Persentase tutupan mangrove berbasis pixel kanopi menunjukkan hasil yang sama dengan kerapatan mangrove, dimana persentase tutupan mangrove tertinggi terdapat di stasiun 2 (84,0716%), stasiun 1 (81,5368%), dan stasiun 3 (80,9978%). Ekosistem mangrove yang ada lokasi tersebut dalam kondisi baik dengan kerapatan dan persentase tutupan yang cukup tinggi. Komposisi penyusun vegetasi mangrove yang ada di Kecamatan Latambaga didominasi oleh mangrove jenis Rhizophora apiculata dan Rhizophora mucronata dengan kelas pertumbuhan sapihan (DBH < 10cm) dan tiang (DBH < 20 cm). Meskipun dalam kondisi yang baik, ekosistem mangrove di pesisir Kecamatan Latambaga mengalami ancaman alih fungsi lahan menjadi tambak. Total AGB tertinggidi stasiun 1 (226,76 ton/ha), diikuti oleh stasiun 3 (181,47 ton/ha), dan stasiun 2 (76,06 ton/ha). Stok karbon berbanding lurus dengan data AGB. Total stok karbon tertinggi juga terdapat pada stasiun 1 (106,57 ton/ha), diikuti oleh stasiun 3 (85,29 ton/ha), dan stasiun 2 (35,75 ton/ha).

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Using Allometric Equations to Estimate Mangrove Biomass and Carbon Stock in Demta Bay, Papua Province, Indonesia

Cited by 9 publications

References 18 publications

Allometric Model, Aboveground Biomass and Carbon Sequestration of Natural Regeneration of Avicennia lanata (Ridley). at in-active Pond of Muna Regency, Southeast Sulawesi

Allometric Model, Aboveground Biomass and Carbon Sequestration of Natural Regeneration of Avicennia lanata (Ridley). at in-active Pond of Muna Regency, Southeast Sulawesi

Carbon stock at several types of mangrove ecosystems in Bregasmalang, Central Java, Indonesia

Analisis Vegetasi, Estimasi Biomassa dan Stok Karbon EkosistemMangrove Pesisir Kecamatan Latambaga, Kabupaten Kolaka

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