Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil

Abstract. Luckyana DR, Puspitasari IGAAR, Maharning AR. 2020. Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil. Biodiversitas 21: 4813-4820. This study examined the influence of paddy litter amendment and bacterial enhanc...

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Autores principales:	DEMA R. LUCKYANA, I G. A. AYU RATNA PUSPITASARI, Ardhini R Maharning
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2020
Materias:	baerman funnel method, forest soil resource, nematode feeding group, paddy litter decomposition, soil food web index Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/dbc5f802822f4ae7b7b7ae980629bcb1
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spelling	oai:doaj.org-article:dbc5f802822f4ae7b7b7ae980629bcb12021-11-22T00:51:08ZBacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil1412-033X2085-472210.13057/biodiv/d211047https://doaj.org/article/dbc5f802822f4ae7b7b7ae980629bcb12020-09-01T00:00:00Zhttps://smujo.id/biodiv/article/view/6340https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Abstract. Luckyana DR, Puspitasari IGAAR, Maharning AR. 2020. Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil. Biodiversitas 21: 4813-4820. This study examined the influence of paddy litter amendment and bacterial enhancement of nutrient-limited soil on the nematode community structure and investigated the decomposition rate of the litter due to the treatment. We applied a microcosm-based approach using sand as the medium, including the following treatments: no-bacteria, 9A-autotrophic-bacteria, 2H-heterotrophic-bacteria, and 9A-2H-mix-bacteria, with five replicates. The litter bag experiment and exponential decay model estimated the litter decomposition rate in the microcosm. The soil samples and litter bags were retrieved after days 21, 42, and 63. The structure, enrichment, channel index (CI), and canonical correspondence analysis were employed to investigate the nematode community response. Bacterial enhancement shifted the nematode community and the soil food web toward the dominant bacterial pathway by day 63 (CI: 0), with a slightly less structured food web that was supported by bacterivorous nematodes mostly related to available nutrients. These changes coincided with soil organic carbon and nitrogen increases over time. Our experiments showed that paddy litter amendment and the 9A, 2H, and 9A-2H-mix bacterial enhancements improved nutrient-limited soil, according to the analysis of the nematode community, its composition, and the food web conditions determining nutrient mobility and availability. However, these factors have no impact on the litter decay rate.DEMA R. LUCKYANAI G. A. AYU RATNA PUSPITASARIArdhini R MaharningMBI & UNS Soloarticlebaerman funnel method, forest soil resource, nematode feeding group, paddy litter decomposition, soil food web indexBiology (General)QH301-705.5ENBiodiversitas, Vol 21, Iss 10 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	baerman funnel method, forest soil resource, nematode feeding group, paddy litter decomposition, soil food web index Biology (General) QH301-705.5
spellingShingle	baerman funnel method, forest soil resource, nematode feeding group, paddy litter decomposition, soil food web index Biology (General) QH301-705.5 DEMA R. LUCKYANA I G. A. AYU RATNA PUSPITASARI Ardhini R Maharning Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil
description	Abstract. Luckyana DR, Puspitasari IGAAR, Maharning AR. 2020. Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil. Biodiversitas 21: 4813-4820. This study examined the influence of paddy litter amendment and bacterial enhancement of nutrient-limited soil on the nematode community structure and investigated the decomposition rate of the litter due to the treatment. We applied a microcosm-based approach using sand as the medium, including the following treatments: no-bacteria, 9A-autotrophic-bacteria, 2H-heterotrophic-bacteria, and 9A-2H-mix-bacteria, with five replicates. The litter bag experiment and exponential decay model estimated the litter decomposition rate in the microcosm. The soil samples and litter bags were retrieved after days 21, 42, and 63. The structure, enrichment, channel index (CI), and canonical correspondence analysis were employed to investigate the nematode community response. Bacterial enhancement shifted the nematode community and the soil food web toward the dominant bacterial pathway by day 63 (CI: 0), with a slightly less structured food web that was supported by bacterivorous nematodes mostly related to available nutrients. These changes coincided with soil organic carbon and nitrogen increases over time. Our experiments showed that paddy litter amendment and the 9A, 2H, and 9A-2H-mix bacterial enhancements improved nutrient-limited soil, according to the analysis of the nematode community, its composition, and the food web conditions determining nutrient mobility and availability. However, these factors have no impact on the litter decay rate.
format	article
author	DEMA R. LUCKYANA I G. A. AYU RATNA PUSPITASARI Ardhini R Maharning
author_facet	DEMA R. LUCKYANA I G. A. AYU RATNA PUSPITASARI Ardhini R Maharning
author_sort	DEMA R. LUCKYANA
title	Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil
title_short	Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil
title_full	Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil
title_fullStr	Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil
title_full_unstemmed	Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil
title_sort	bacterial (9a2h) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil
publisher	MBI & UNS Solo
publishDate	2020
url	https://doaj.org/article/dbc5f802822f4ae7b7b7ae980629bcb1
work_keys_str_mv	AT demarluckyana bacterial9a2henhancementaltersthenematodecommunitystructureanddecompositionpathwayofamendednutrientlimitedsoil AT igaayuratnapuspitasari bacterial9a2henhancementaltersthenematodecommunitystructureanddecompositionpathwayofamendednutrientlimitedsoil AT ardhinirmaharning bacterial9a2henhancementaltersthenematodecommunitystructureanddecompositionpathwayofamendednutrientlimitedsoil
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Bacterial (9A2H) enhancement alters the nematode community structure and decomposition pathway of amended nutrient-limited soil

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