Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity

Rapid transformation of natural forests into other land-use systems in the lowlands of Sumatra, Indonesia, strongly reduces total aboveground biomass and affects nutrient cycling. However, the consequences of this conversion for C and N stocks of dead wood remains poorly understood particularly in n...

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Main Authors: Selis Meriem, Soekisman Tjitrosoedirjo, Martyna Malgorzata Kotowska, Dietrich Hertel, Triadiati Triadiati
Format: Article
Language:English
Published: ‘Marin Drăcea’ National Research-Development Institute in Forestry 2016-12-01
Series:Annals of Forest Research
Subjects:
Online Access:https://www.afrjournal.org/index.php/afr/article/view/524
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spelling doaj-e0c64bb541a640f18fb2def1913326512020-11-25T01:58:29Zeng‘Marin Drăcea’ National Research-Development Institute in ForestryAnnals of Forest Research1844-81352065-24452016-12-0159229931010.15287/afr.2016.524263Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensitySelis Meriem0Soekisman Tjitrosoedirjo1Martyna Malgorzata Kotowska2Dietrich Hertel3Triadiati Triadiati4Graduate Program in Plant Biology, Graduate School, Bogor Agricultural University, Bogor 16680, IndonesiaDepartment of Biology, Faculty of Mathematic and Natural Sciences, Bogor Agricultural University, Bogor, 16680, IndonesiaAlbrecht von Haller Institute for Plant Sciences, Plant Ecology and Ecosystems Research, University of Göettingen, Untere Karspü, 37073 Goettingen, GermanyAlbrecht von Haller Institute for Plant Sciences, Plant Ecology and Ecosystems Research, University of Göettingen, Untere Karspü, 37073 Goettingen, GermanyDepartment of Biology Faculty of Mathematic and Natural Sciences, Bogor Agricultural University, Bogor, 16680, IndonesiaRapid transformation of natural forests into other land-use systems in the lowlands of Sumatra, Indonesia, strongly reduces total aboveground biomass and affects nutrient cycling. However, the consequences of this conversion for C and N stocks of dead wood remains poorly understood particularly in natural forests and jungle rubber. This study examined the differences in dead wood abundance, and C, N and lignin concentrations of three decay stages of dead wood as well as the stocks of these chemical components stored in dead wood. Standing and fallen dead wood was determined as coarse woody debris with diameter ≥ 10 cm and classified into three decay stages of wood. Mass of dead wood was estimated using allometric equation. Total C and N stocks in dead wood in the natural forests (4.5 t C ha<sup>-1</sup>, 0.05 t N ha<sup>-1</sup>, respectively) were three times higher than those in the jungle rubber (1.5 t C ha<sup>-1</sup>, 0.02 t N ha<sup>-1</sup>, respectively). The stocks of C and N at early and advanced wood decay stages in the natural forests were also higher than those in the jungle rubber. The decay stages showed pronounced differences in concentrations of chemical components. With advancing stage of wood decay, N concentration increased and C/N ratio decreased, while concentrations of C and lignin were variable. The distribution of dead wood mass and stocks of C, and lignin were found to be higher in the early decay than those in the advanced decay stage. Higher input of dead wood in natural forests indicated a higher importance of dead wood decay in natural forests than in jungle rubber systems. Thus, replacing natural forests with jungle rubber strongly reduces total C and N stocks which might have a marked negative effect on the ecosystems' nutrient turnover and cyle.https://www.afrjournal.org/index.php/afr/article/view/524dead wood mass, carbon and nitrogen stocks, decay stages, nutrient changes
collection DOAJ
language English
format Article
sources DOAJ
author Selis Meriem
Soekisman Tjitrosoedirjo
Martyna Malgorzata Kotowska
Dietrich Hertel
Triadiati Triadiati
spellingShingle Selis Meriem
Soekisman Tjitrosoedirjo
Martyna Malgorzata Kotowska
Dietrich Hertel
Triadiati Triadiati
Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity
Annals of Forest Research
dead wood mass, carbon and nitrogen stocks, decay stages, nutrient changes
author_facet Selis Meriem
Soekisman Tjitrosoedirjo
Martyna Malgorzata Kotowska
Dietrich Hertel
Triadiati Triadiati
author_sort Selis Meriem
title Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity
title_short Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity
title_full Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity
title_fullStr Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity
title_full_unstemmed Carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity
title_sort carbon and nitrogen stocks in dead wood of tropical lowland forests as dependent on wood decay stages and land-use intensity
publisher ‘Marin Drăcea’ National Research-Development Institute in Forestry
series Annals of Forest Research
issn 1844-8135
2065-2445
publishDate 2016-12-01
description Rapid transformation of natural forests into other land-use systems in the lowlands of Sumatra, Indonesia, strongly reduces total aboveground biomass and affects nutrient cycling. However, the consequences of this conversion for C and N stocks of dead wood remains poorly understood particularly in natural forests and jungle rubber. This study examined the differences in dead wood abundance, and C, N and lignin concentrations of three decay stages of dead wood as well as the stocks of these chemical components stored in dead wood. Standing and fallen dead wood was determined as coarse woody debris with diameter ≥ 10 cm and classified into three decay stages of wood. Mass of dead wood was estimated using allometric equation. Total C and N stocks in dead wood in the natural forests (4.5 t C ha<sup>-1</sup>, 0.05 t N ha<sup>-1</sup>, respectively) were three times higher than those in the jungle rubber (1.5 t C ha<sup>-1</sup>, 0.02 t N ha<sup>-1</sup>, respectively). The stocks of C and N at early and advanced wood decay stages in the natural forests were also higher than those in the jungle rubber. The decay stages showed pronounced differences in concentrations of chemical components. With advancing stage of wood decay, N concentration increased and C/N ratio decreased, while concentrations of C and lignin were variable. The distribution of dead wood mass and stocks of C, and lignin were found to be higher in the early decay than those in the advanced decay stage. Higher input of dead wood in natural forests indicated a higher importance of dead wood decay in natural forests than in jungle rubber systems. Thus, replacing natural forests with jungle rubber strongly reduces total C and N stocks which might have a marked negative effect on the ecosystems' nutrient turnover and cyle.
topic dead wood mass, carbon and nitrogen stocks, decay stages, nutrient changes
url https://www.afrjournal.org/index.php/afr/article/view/524
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