Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia

Deforested and converted tropical peat swamp forests are susceptible to fires and are a major source of greenhouse gas (GHG) emissions. However, information on the influence of land-use change (LUC) on the carbon dynamics in these disturbed peat forests is limited. This study aimed to quantify soil...

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Autores principales:	Imam Basuki, J. Boone Kauffman, James T. Peterson, Gusti Z. Anshari, Daniel Murdiyarso
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	deforestation forest logging tropical climate peat swamp forests oil palm estate NEP Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/3d73ff1d09464dc3ba906109b9ec88f5
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spelling	oai:doaj.org-article:3d73ff1d09464dc3ba906109b9ec88f52021-11-25T17:39:11ZLand Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia10.3390/f121115871999-4907https://doaj.org/article/3d73ff1d09464dc3ba906109b9ec88f52021-11-01T00:00:00Zhttps://www.mdpi.com/1999-4907/12/11/1587https://doaj.org/toc/1999-4907Deforested and converted tropical peat swamp forests are susceptible to fires and are a major source of greenhouse gas (GHG) emissions. However, information on the influence of land-use change (LUC) on the carbon dynamics in these disturbed peat forests is limited. This study aimed to quantify soil respiration (heterotrophic and autotrophic), net primary production (NPP), and net ecosystem production (NEP) in peat swamp forests, partially logged forests, early seral grasslands (deforested peat), and smallholder-oil palm estates (converted peat). Peat swamp forests (PSF) showed similar soil respiration with logged forests (LPSF) and oil palm (OP) estates (37.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, 40.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, and 38.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, respectively), but higher than early seral (ES) grassland sites (30.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>). NPP of intact peat forests (13.2 Mg C ha<sup>−1</sup> yr<sup>−1</sup>) was significantly greater than LPSF (11.1 Mg C ha<sup>−1</sup> yr<sup>−1</sup>), ES (10.8 Mg C ha<sup>−1</sup> yr<sup>−1</sup>), and OP (3.7 Mg C ha<sup>−1</sup> yr<sup>−1</sup>). Peat swamp forests and seral grasslands were net carbon sinks (10.8 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup> and 9.1 CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, respectively). In contrast, logged forests and oil palm estates were net carbon sources; they had negative mean Net Ecosystem Production (NEP) values (−0.1 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup> and −25.1 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, respectively). The shift from carbon sinks to sources associated with land-use change was principally due to a decreased Net Primary Production (NPP) rather than increased soil respiration. Conservation of the remaining peat swamp forests and rehabilitation of deforested peatlands are crucial in GHG emission reduction programs.Imam BasukiJ. Boone KauffmanJames T. PetersonGusti Z. AnshariDaniel MurdiyarsoMDPI AGarticledeforestationforest loggingtropical climatepeat swamp forestsoil palm estateNEPPlant ecologyQK900-989ENForests, Vol 12, Iss 1587, p 1587 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	deforestation forest logging tropical climate peat swamp forests oil palm estate NEP Plant ecology QK900-989
spellingShingle	deforestation forest logging tropical climate peat swamp forests oil palm estate NEP Plant ecology QK900-989 Imam Basuki J. Boone Kauffman James T. Peterson Gusti Z. Anshari Daniel Murdiyarso Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia
description	Deforested and converted tropical peat swamp forests are susceptible to fires and are a major source of greenhouse gas (GHG) emissions. However, information on the influence of land-use change (LUC) on the carbon dynamics in these disturbed peat forests is limited. This study aimed to quantify soil respiration (heterotrophic and autotrophic), net primary production (NPP), and net ecosystem production (NEP) in peat swamp forests, partially logged forests, early seral grasslands (deforested peat), and smallholder-oil palm estates (converted peat). Peat swamp forests (PSF) showed similar soil respiration with logged forests (LPSF) and oil palm (OP) estates (37.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, 40.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, and 38.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, respectively), but higher than early seral (ES) grassland sites (30.7 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>). NPP of intact peat forests (13.2 Mg C ha<sup>−1</sup> yr<sup>−1</sup>) was significantly greater than LPSF (11.1 Mg C ha<sup>−1</sup> yr<sup>−1</sup>), ES (10.8 Mg C ha<sup>−1</sup> yr<sup>−1</sup>), and OP (3.7 Mg C ha<sup>−1</sup> yr<sup>−1</sup>). Peat swamp forests and seral grasslands were net carbon sinks (10.8 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup> and 9.1 CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, respectively). In contrast, logged forests and oil palm estates were net carbon sources; they had negative mean Net Ecosystem Production (NEP) values (−0.1 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup> and −25.1 Mg CO<sub>2</sub> ha<sup>−1</sup> yr<sup>−1</sup>, respectively). The shift from carbon sinks to sources associated with land-use change was principally due to a decreased Net Primary Production (NPP) rather than increased soil respiration. Conservation of the remaining peat swamp forests and rehabilitation of deforested peatlands are crucial in GHG emission reduction programs.
format	article
author	Imam Basuki J. Boone Kauffman James T. Peterson Gusti Z. Anshari Daniel Murdiyarso
author_facet	Imam Basuki J. Boone Kauffman James T. Peterson Gusti Z. Anshari Daniel Murdiyarso
author_sort	Imam Basuki
title	Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia
title_short	Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia
title_full	Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia
title_fullStr	Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia
title_full_unstemmed	Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia
title_sort	land cover and land use change decreases net ecosystem production in tropical peatlands of west kalimantan, indonesia
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/3d73ff1d09464dc3ba906109b9ec88f5
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Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia

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