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Factors regulating lignocellulolytic microbes, their degrading enzymes, and heterotrophic respiration in oil palm cultivated peatlands

Journal of Degraded and Mining Lands Management · Vol. 11 No. 2 (2024) · hlm. 5195–5210

DOI
10.15243/jdmlm.2024.112.5195
ISSN
2502-2458, 2339-076X
Terbit
2024-01-01
Penerbit
Brawijaya University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Even though their role in mediating tropical peat decomposition and GHG emissions had been widely recognized, information concerning lignocellulolytic microbes, their degrading enzyme ability, and interconnection with soil physicochemical properties and peat heterotrophic respiration on mature oil palm plantation/OPP block level were rudimentary. This study evaluated the effect of sampling depth (0-30, 30-60, and 60-90 cm), OPP management zone (fertilization circle/FTC, frond stack/FRS, and harvesting path/HVP), and peat physicochemical properties on the lignocellulolytic bacteria and fungi, their degrading enzymes activities and peat heterotrophic respiration/Rh using principal component analysis/PCA, multiple linear regression/MLR, and generalized linear mixed effect models/GLMM. This study found that the soil microbiological and physicochemical properties varied widely. Dominant lignocellulolytic bacterial population and their cellulase enzyme activity were higher than fungi, regardless of sampling depth and management zone. PCA and GLMM analyses showed the significant importance of sampling depth and management zone in governing lignocellulolytic microbial population, their enzyme activities, and Rh. Microbial population and cellulase activity were also remarkably affected by the interaction of all studied factors. Peat chemical properties (pH and total Mn) controlled the natural variance of lignocellulolytic microbes and their enzymes, whereas total K regulate Rh. This study suggested that the research on microbiological-related GHG mitigation in OPP should be focused on managing the fungal population and cellulase enzyme activity at the peat surface (0-30 cm) and fertilization circle.

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  • Universitas Gadjah Mada
  • Hasanuddin University
  • Pakuan University
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Syaiful AnwarAfiliasi tidak diketahui10
Supiandi SabihamAfiliasi tidak diketahui10
Desi NadaliaAfiliasi tidak diketahui8
Lina Lathifah NurazizahAfiliasi tidak diketahui8
HUSNI MUBAROKAfiliasi tidak diketahui7
Nizam TambusaiAfiliasi tidak diketahui7
Siswanto SiswantoHasanuddin University3
Basuki SumawinataAfiliasi tidak diketahui3
Darmono TaniwiryonoAfiliasi tidak diketahui3
Suwardi SuwardiAfiliasi tidak diketahui2
Nourma Al ViandariAfiliasi tidak diketahui2
Anicetus WihardjakaAfiliasi tidak diketahui2
Arief HartonoAfiliasi tidak diketahui2
Vira Widya KartikaAfiliasi tidak diketahui2
Syva FitrianaAfiliasi tidak diketahui2
Nabila HanifahAfiliasi tidak diketahui2
Ida Nur IstinaAfiliasi tidak diketahui1
Benny JoyAfiliasi tidak diketahui1
Budi MulyantoAfiliasi tidak diketahui1
Suharyanto SuharyantoUniversitas Gadjah Mada1
AGUSTINA WULANINGTYASAfiliasi tidak diketahui1
SUTAMIHARDJA SUTAMIHARDJAAfiliasi tidak diketahui1
Djoko SantosoAfiliasi tidak diketahui1
Deden Dewantara ErisAfiliasi tidak diketahui1
Mahardika Gama PradanaAfiliasi tidak diketahui1
Ciptadi Achmad YusupAfiliasi tidak diketahui1
Agustin Sri MulyatniAfiliasi tidak diketahui1
RAHAYU WIDYASTUTIAfiliasi tidak diketahui1
Eka LupitasariAfiliasi tidak diketahui1
Mas Teddy SutriadiAfiliasi tidak diketahui1
Kurniati KurniatiPakuan University1
Iskandar ISKANDARAfiliasi tidak diketahui1
Sri Wilarso BudiAfiliasi tidak diketahui1
Welly HermanAfiliasi tidak diketahui1
Erlina RahmayuniAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jdmlm.ub.ac.id/index.php/jdmlm/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">Factors regulating lignocellulolytic microbes, their degrading enzymes, and heterotrophic respiration in oil palm cultivated peatlands</dc:title>
	<dc:creator>Hadi, Muhammad Nurul</dc:creator>
	<dc:creator>Pulunggono, Heru Bagus</dc:creator>
	<dc:creator>Indriyati, Lilik Tri</dc:creator>
	<dc:creator>Widiastuti, Happy</dc:creator>
	<dc:creator>Zulfajrin, Moh</dc:creator>
	<dc:subject xml:lang="en-US">ligninase enzyme activity</dc:subject>
	<dc:subject xml:lang="en-US">mixed effect models</dc:subject>
	<dc:subject xml:lang="en-US">principal component analysis</dc:subject>
	<dc:subject xml:lang="en-US">tropical peatlands</dc:subject>
	<dc:description xml:lang="en-US">Even though their role in mediating tropical peat decomposition and GHG emissions had been widely recognized, information concerning lignocellulolytic microbes, their degrading enzyme ability, and interconnection with soil physicochemical properties and peat heterotrophic respiration on mature oil palm plantation/OPP block level were rudimentary. This study evaluated the effect of sampling depth (0-30, 30-60, and 60-90 cm), OPP management zone (fertilization circle/FTC, frond stack/FRS, and harvesting path/HVP), and peat physicochemical properties on the lignocellulolytic bacteria and fungi, their degrading enzymes activities and peat heterotrophic respiration/Rh using principal component analysis/PCA, multiple linear regression/MLR, and generalized linear mixed effect models/GLMM. This study found that the soil microbiological and physicochemical properties varied widely. Dominant lignocellulolytic bacterial population and their cellulase enzyme activity were higher than fungi, regardless of sampling depth and management zone. PCA and GLMM analyses showed the significant importance of sampling depth and management zone in governing lignocellulolytic microbial population, their enzyme activities, and Rh. Microbial population and cellulase activity were also remarkably affected by the interaction of all studied factors. Peat chemical properties (pH and total Mn) controlled the natural variance of lignocellulolytic microbes and their enzymes, whereas total K regulate Rh. This study suggested that the research on microbiological-related GHG mitigation in OPP should be focused on managing the fungal population and cellulase enzyme activity at the peat surface (0-30 cm) and fertilization circle.</dc:description>
	<dc:publisher xml:lang="en-US">Brawijaya University</dc:publisher>
	<dc:date>2024-01-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/10422</dc:identifier>
	<dc:identifier>10.15243/jdmlm.2024.112.5195</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Degraded and Mining Lands Management; Vol. 11 No. 2 (2024); 5195-5210</dc:source>
	<dc:source>2502-2458</dc:source>
	<dc:source>2339-076X</dc:source>
	<dc:source>10.15243/jdmlm.2023.112</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/10422/901</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2024 Journal of Degraded and Mining Lands Management</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>