Short Communication: Effect of skid trails on the regeneration of commercial tree species at Balah Forest Reserve, Kelantan, Malaysia

Razali, Nooraimy; Ismail, Mohd Hasmadi; Kamarudin, Nurzatulshima; Zaki, Pakhriazad Hassan

doi:10.13057/biodiv/d150218

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…Analysis of the effects of treatments on regeneration showed a greater effect on seedling growth than seedling density. Seedling density showed recovery in all three height classes in different years after skidding, consistent with the other studies [31,46,47]. It appears that seedling establishment in the height class of <50 cm was recovered and no significant difference was observed with the control area in the undisturbed forest.…”

Section: Density and Height Of Seedlingsupporting

confidence: 91%

Post-Harvest Evaluation of Soil Physical Properties and Natural Regeneration Growth in Steep-Slope Terrains

Sohrabi

Jourgholami

Tavankar

et al. 2019

Forests

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Protection of forest soils during harvesting operations is necessary to reduce damage and accelerate recovery time. The current study aims to evaluate soil physical properties, natural regeneration, and its recovery process in treatments including slope gradient, traffic intensity and skid trail after long periods of time, after ceasing the timber harvesting operations. The most recent skidding operations within each 5 years recovery period were studied for a chronosequence of 20 years. Soil samples were taken in abandoned skid trails and data were recorded on naturally regenerated species and density. The results revealed that most soil disturbances occurred on the slopes >20%, as well as the highest levels of traffic intensity. Bulk density and penetration resistance were still higher than the control area, with a significant difference between them, while total porosity was partially recovered. Twenty years after the skidding operation, soil bulk density and penetration resistance were 13.2% and 23.7% higher than the control area, while total porosity was 9.78% lower the than value of the control area. Seedlings of 50–150 cm and >150 cm in height on skid trails had significantly lower density than those in the control. The number of seedlings per m2 was less than the control area in all skid trails and for all height classes. The proportion of seedlings present in low traffic intensity was higher than in medium and high traffic intensities. The findings confirmed that full recovery rates are lengthy, and more time than 20 years is required to fully recover, especially with regards to penetration resistance.

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Section: Density and Height Of Seedlingsupporting

confidence: 91%

Post-Harvest Evaluation of Soil Physical Properties and Natural Regeneration Growth in Steep-Slope Terrains

Sohrabi

Jourgholami

Tavankar

et al. 2019

Forests

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“…The Diversity Index (H') was calculated using Shannon Index equation (Magurran 2004;Razali et al 2014) as follows:…”

Section: Vegetation Analysismentioning

confidence: 99%

Diversity, nutrient contents and production of forage plants in an integrated cattle livestock-oil palm plantation in East Kalimantan, Indonesia

et al. 2023

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Abstract. Daru TP, Sunaryo W, Pagoray H, Suhardi, Mayulu H, Ibrahim, Safitri A. 2023. Diversity, nutrient contents and production of forage plants in an integrated cattle livestock-oil palm plantation in East Kalimantan, Indonesia. Biodiversitas 24: 1981-1989. The integration of cattle livestock rearing into oil palm plantations delivers various benefits. The livestock management can reduce the weeds and add organic nutrients to the plantations, while the understorey vegetation grow under the oil palm trees can be used as forage for the livestock. Several studies reported that the age of oil palm plantations affects forage production in integrated cattle livestock palm oil plantations. From an ecological standpoint, the diversity of plant species and the level of forage production varies based on the age of the oil palm trees. Therefore, this study aimed to determine the diversity, composition, nutrient contents, forage production and carrying capacity of understorey vegetation in oil palm plantations at different ages of 3, 7, and 10 years in Paser District, East Kalimantan Province, Indonesia. A total of 29 plant species from 13 families were found under oil palm plantations, of which 14 species (48.27%) are palatable to cattle livestock. The results showed that the diversity of plant species decreased along with the increasing age of oil palm trees, but they were able to meet the needs of livestock. In the 3, 7, and 10-year-old plantations, the diversity index (H') was 1.491, 1.634, and 2.099, with evenness index (E) of 0.538, 0.589 and 0.757; as well as the dominance index of 0.15, 0.30, and 0.18, respectively. Narrow-leaved forage plant species dominated the understorey vegetation and increased along with the age of oil palm plantations due to the ability to adapt to environmental conditions. The low forage production under the different ages of oil palm plantations caused a low carrying capacity to support livestock feed, namely 0.87, 0.56, and 0.36 Animal Unit (AU) ha-1 per year in the 3, 7, and 10-year-old plantations. Nonetheless, Crude Protein (CP) and total digestible nutrients can meet the basic life needs of livestock. The results of this study imply that oil palm plantations in Paser District can be applied as livestock rearing with different carrying capacities based on the different ages of oil palm plantations.

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Impacts of soil compaction persist 30 years after logging operations in the Amazon Basin

DeArmond

Emmert

Lima

et al. 2019

Soil and Tillage Research

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Short Communication: Effect of skid trails on the regeneration of commercial tree species at Balah Forest Reserve, Kelantan, Malaysia

Cited by 3 publications

References 12 publications

Post-Harvest Evaluation of Soil Physical Properties and Natural Regeneration Growth in Steep-Slope Terrains

Post-Harvest Evaluation of Soil Physical Properties and Natural Regeneration Growth in Steep-Slope Terrains

Diversity, nutrient contents and production of forage plants in an integrated cattle livestock-oil palm plantation in East Kalimantan, Indonesia

Impacts of soil compaction persist 30 years after logging operations in the Amazon Basin

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