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All Journal Jurnal Penelitian Hutan Tanaman Jurnal Wasian Jurnal Galam Jurnal Wasian
Muhammad Abdul Qirom
Balai Penelitian dan Pengembangan Lingkungan Hidup dan Kehutanan Banjarbaru
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Education Environmental Science

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Journal : Jurnal Galam

 1 
The fluctuation of peatland water table at Tumbang Nusa, Central Kalimantan Purwanto Budi Santosa; Muhammad Abdul Qirom
Jurnal GALAM Vol 1, No 1 (2020): Jurnal GALAM, Vol.1 No.1 2020
Publisher : Jurnal GALAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/glm.2020.1.1.27-40

Abstract

Burnt peatland restoration by planting needs stable hydrological condition for the plant’s growth. Water table fluctuation becoming a challenge in the planting effort on degraded peatland. This research aims to determine the water table on degraded peatland and over burnt peat at Tumbang Nusa Forest for Specific Purposes, Pulang Pisau District, Central Kalimantan Province. The data was analyzed to determine the relationship between precipitation characteristics, water table and land elevation. Water table observation was carried out on several fires starting 1997, 2003, 2006 and 2009. We observed 17 points of water table of the total length of 4 km and 250 m distance between points, started from the river edge up to secondary forests. The level of vegetation cover and condition varied from woody plants with low density and open crown up to woody plants with good canopy cover. The result showed that the water table was closely related with the elevation and distance from canal. The fluctuation was closely related with precipitation. Nevertheless, the rainfall did not directly relate but there was a certain interlude period so that the water table was rising or decreasing. This condition shall be considered in the land rehabilitation by planning the right plant in the right time so that the plants can reach optimum growth
Carbon stock potential on various land covers in heath forest in Liang Anggang, South Kalimantan Muhammad Abdul Qirom; Tri Ani Windawati; Kissinger Kissinger; Abdi Fithria
Jurnal GALAM Vol 1, No 2 (2021): Jurnal GALAM, Vol.1 No.2 2021
Publisher : Jurnal GALAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/glm.2021.1.2.61-78

Abstract

ABSTRACTHeath forest serves as a large carbon and water storage. This study aims to obtain information on carbon storage potential of each carbon component in heat forest in Liang Anggang Protection Forest. Data collection was carried out on six types of land cover, namely: agricultural land, barren land/settlement, scrub, peat soil, and forest. The carbon components were measured such as trees, undergrowth, litter, necromass, and soil. Measurement plots were established with size of 40 x 100 m for trees and necromasses > 30 cm in size, and sub-plots measuring 5 x 40 m for trees with a diameter of 5–30 cm as many as 5 plots for each type of land cover. The understorey and litter components used a plot with size of 0.5 x 0.5 m. In tree pools, carbon stock was determined by indirect measured with alometric model, while the other was used by direct measurenment. The results showed that carbon in the soil contributed the largest potential carbon storage (> 95%) of the total carbon storage in all land cover types. The pattern of the proportion of carbon storage in this forest type was similar to the peat swamp forest type. On heat forest, carbon stock potential on scrub was 318.8 Mg/Ha and the potential of heat forest type was the lowest (256.8 Mg/Ha ). In total, the average carbon storage potential was 285.01 ± 48.78 Mg/Ha. The carbon storage at this location reached 2.99 x 105 tons of carbon, or equivalent to carbon absorption of 1,10 X 106 CO2 e ton CO2e. The large amount of carbon storage in heath forest in the study area has the potential to support diversification and optimization of land use through a carbon trading scheme.Key words: trade, agriculture, proportion, scheme, soil
The carbon stock as indicator of peatland recovery after fire in Central Kalimantan Muhammad Abdul Qirom; Tri Wira Yuwati; Syaifuddin Syaifuddin
Jurnal GALAM Vol 1, No 2 (2021): Jurnal GALAM, Vol.1 No.2 2021
Publisher : Jurnal GALAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/glm.2021.1.2.108-122

Abstract

ABSTRACTPeat swamp forest fire was the main cause of the huge carbon stock loss. Forest recovery after fire took a huge cost and long period of time. The aim of this research was to determine the carbon stock on various peat land condition and management intervention and utilize it as bio-indicator for degraded peat swamp forest recovery after fire.  The data was collected from three location representing three sites: after 1997 fire (ex 1997), unburnt secondary forest and area that was severely burnt in 2005 but already re-planted. Measurement was carried out on the vegetation carbon stock namely seedlings, saplings, poles and trees. The carbon stock was determined using 5 sampling plots on secondary forest and 6 plots on other sites. Carbon counting was using allometric equation. The result showed that the carbon stock was affected by the various type and management intervention of the sites especially at the rehabilitation site.  The carbon stock of ex-1997 and secondary forest was not significantly different on all stages of vegetation including the total number. The carbon stock on ex-1997 and secondary forest was 258, 95 Mg/Ha and 254,36 Mg/Ha, respectively. The condition showed that ex-1997 site had the ability to naturally recovered. The rate of recovery can be approached with carbon stock estimation as indicator for peatland recovery after fire. The indicator can be used on sites with no species diversity requirements as recovery factor such as protected or conservation areas. Keywords: natural, allometric, degradation, indicator
The effect of flooding and light competition on the planting success of degraded tropical peatland Dony Rachmanadi; Eny Faridah; Sumardi Sumardi; Peter van der Meer; Muhammad Abdul Qirom
Jurnal GALAM Vol 1, No 2 (2021): Jurnal GALAM, Vol.1 No.2 2021
Publisher : Jurnal GALAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/glm.2021.1.2.123-140

Abstract

ABSTRACT Planting was done as a rehabilitation effort at degraded tropical peatland. Understanding the characteristics of the species and environmental conditions that affect plant growth will determine the success of the planting. This study aims to determine the main environmental factors that affect plants in the field so that the right species can be determined. This study used a randomized completely blocked design which was conducted in two stages, namely field testing and verification under controlled conditions in the nursery. The research treatments consisted of inundation conditions and competition with understorey. The competition factor is interpreted by the difference in light intensity at the verification stage. The species used are meranti (Shorea pallidfolia), gerunggang (Cratoxylum glaucum), terentang(Campnosperma coreacea) dan tumih (Combretocarpus rotundatus). The results showed that the inundation conditions had an effect on the survival of meranti and gerunggang species where the survival rate was 8.3%—96.3%, but it did not affect the terentang and tumih with the survival rate reaching > 80%. The growth of meranti and gerunggang tends to decrease in line with the inundation conditions, while the growth of terentang and tumih tends to increase. Meranti growth requires understorey as protection from high light intensity. The tumih and terentang show better growth without competition with understorey. The trends in the field are consistent with observations during the verification stage. The difference in the response of plants to environmental conditions determines the presence of these species in the succession stage. Keywords:rehabilitation, flooding, drainage, sequen, succession
Co-Authors Abdi Fithria Acep Akbar Dony Rachmanadi Eny Faridah Kissinger Kissinger Peter van der Meer Purwanto Budi Santosa Sumardi Sumardi Supriyadi Supriyadi Syaifuddin Syaifuddin Tri Ani Windawati Tri Wira Yuwati