Changes in floristic diversity and stand damage of tropical forests caused by logging operations in North Kalimantan, Indonesia

Matangaran, Juang Rata; ANISSA, INTAN NOER; ADLAN, QI; MUJAHID, MUHAMMAD

doi:10.13057/biodiv/d231233

Cited by 3 publications

(3 citation statements)

References 43 publications

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“…selective cuts that only harvesting valuable dominant tree species (e.g. [93,94]). This shortcoming can be solved using different strategies, including the inclusion of different dynamics stages of the natural stands (e.g.…”

Section: Discussionmentioning

confidence: 99%

Different Approaches of Forest Type Classifications for Argentina Based on Functional Forests and Canopy-Cover Composition by Tree Species

Martínez Pastur,

Loto,

Rodríguez-Souilla

et al. 2024

Preprint

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Modern forestry systems are based upon typologies of forest types (FT). Many proposals were developed in Argentina, but without following unified criteria. The objective was to compare different approaches based on (i) functional forests (phenoclusters), and (ii) forest canopy-cover composition by tree species. We employed data of National Forest Inventories, forest models and climate data, comparing the proposals using univariate analyses. We test the performance of phenoclusters to differentiate the variability of native forests (proxy: forest structure), biodiversity (proxy: indicator species) and environment (proxies: soil carbon stock, elevation, climate). We proposed a simple forest type classification methodology based on species composition, considering basal area of tree species. Finally, we compared the performance of both proposals. In regions where monospecific forests are predominant, the classifications based on forest canopy-cover composition are feasible, but phenoclusters allowing to increase the complexity at landscape level. In those regions were predominant multi-specific stands, the classifications based on forest canopy-cover composition are useless, and phenoclusters allowing to decrease the complexity at landscape level. These results allowing to harmonize national FT classifications by using criteria and indicators to achieve sustainable forest management and conservation proposals.

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Section: Discussionmentioning

confidence: 99%

Different Approaches of Forest Type Classifications for Argentina Based on Functional Forests and Canopy-Cover Composition by Tree Species

Martínez Pastur,

Loto,

Rodríguez-Souilla

et al. 2024

Preprint

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“…After arriving at the landing site, the wood will be loaded onto a trailer truck and transported to the log pond or yard via the hauling road. Logging operations generally cause environmental damage in forest soil ecosystems, change diversity, stand damage, and river water quality [ 1,2,3,4].…”

Section: Introductionmentioning

confidence: 99%

Soil disturbance caused by timber harvesting in a natural forest, West Sumatera Indonesia

Matangaran,

Suwarna,

Santosa

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Logging operations in natural forests generally use bulldozers. Bulldozers skid logs from the stump site to the landing site. The bulldozer maneuvers in the felling area cause skid trails and soil compaction. Soil compaction is one of the negative impacts of logging operations. The research aim is to analyze the level of soil compaction in various bulldozer skidding intensities after logging operations. The research occurred at a natural forest area in Siberut West Sumatera, Indonesia. The results of the study showed that there was a relationship between skidding intensity and the level of soil bulk density. The more a bulldozer moves at the same skid trail, the higher the soil bulk density. The range of soil bulk density is from 0.82 g cm−3 to 1.31 g cm−3. The bulk density increases markedly after the bulldozer’s first, second, and third passes. After the fourth pass, the bulk density is relatively constant. The porosity of the soil decreases with the increase of the bulk density. On skid trails where the soil is very compact, seeds that fall on skid trails will have difficulty growing well. Requires planting on primary skid trails. Soil damage in the form of soil compaction by bulldozers needs serious attention in the Reduce Impact Logging technique.

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“…Other damage is in the form of damage to remaining stands [3,4], changes in river water discharge and quality [5], forest fires [6], harvesting waste [7], damage to forest soil in the form of soil compaction [8], changes in diversity [9], and other negative impacts. Timber harvesting causes a reduction in forest carbon mass because wood is extracted from the forest [10], and damage to remaining stands and opening of forest areas occurs [11]. This timber harvesting causes carbon emissions to increase [12,13].…”

Section: Introductionmentioning

confidence: 99%

Change of carbon mass after timber harvesting in a natural forest, West Sumatra Indonesia

Matangaran,

Barokah,

Mujahid

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Forests have an important role in the carbon cycle and in the dynamics of storing and releasing carbon in growth, decay, and disturbance processes. Timber harvesting initially reduces the amount of carbon in the forest. This study aims to analyze the magnitude of changes in carbon mass due to timber harvesting. It was conducted in a forest concessionaire located at Siberut of West Sumatra on a natural forest covering about 48,000 hectares. Selective cutting was implemented for logging where the harvestable trees were over 50 cm in diameter. The amount of carbon mass was obtained based on laboratory tests on tree parts, including trunk, branches, twigs, and bark. The average carbon content in each part of the tree is different. The trunk contains 53.86% of carbon mass, the branches are 51.98%, the twigs are 31.58%, the leaves are 27.91%, and the bark is 32.01%. Timber harvesting was conducted at the forest compartment with an average forest stand density of 71.5 trees ha−1 and a felling intensity of 8.8 trees ha−1, causing damage to 16.17 trees ha−1 stands. Timber harvesting causes a decrease in carbon mass reserves of 43.26% from forest carbon mass of 141.89 tons C ha−1 before harvesting to 80.00 tons C ha−1 after harvesting.

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Changes in floristic diversity and stand damage of tropical forests caused by logging operations in North Kalimantan, Indonesia

Cited by 3 publications

References 43 publications

Different Approaches of Forest Type Classifications for Argentina Based on Functional Forests and Canopy-Cover Composition by Tree Species

Different Approaches of Forest Type Classifications for Argentina Based on Functional Forests and Canopy-Cover Composition by Tree Species

Soil disturbance caused by timber harvesting in a natural forest, West Sumatera Indonesia

Change of carbon mass after timber harvesting in a natural forest, West Sumatra Indonesia

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