Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia

Deforestation leads to the deterioration of soil fertility which occurs rapidly under tropical climates. Forest rehabilitation is one of the approaches to restore soil fertility and increase the productivity of degraded areas. The objective of this study was to evaluate and compare soil biological p...

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Main Authors: D. S. Karam, A. Arifin, O. Radziah, J. Shamshuddin, N. M. Majid, A. H. Hazandy, I. Zahari, A. H. Nor Halizah, T. X. Rui
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/2012/641346
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author D. S. Karam
A. Arifin
O. Radziah
J. Shamshuddin
N. M. Majid
A. H. Hazandy
I. Zahari
A. H. Nor Halizah
T. X. Rui
author_facet D. S. Karam
A. Arifin
O. Radziah
J. Shamshuddin
N. M. Majid
A. H. Hazandy
I. Zahari
A. H. Nor Halizah
T. X. Rui
author_sort D. S. Karam
collection DOAJ
description Deforestation leads to the deterioration of soil fertility which occurs rapidly under tropical climates. Forest rehabilitation is one of the approaches to restore soil fertility and increase the productivity of degraded areas. The objective of this study was to evaluate and compare soil biological properties under enrichment planting and secondary forests at Tapah Hill Forest Reserve, Perak after 42 years of planting. Both areas were excessively logged in the 1950s and left idle without any appropriate forest management until 1968 when rehabilitation program was initiated. Six subplots (20 m × 20 m) were established within each enrichment planting (F1) and secondary forest (F2) plots, after which soil was sampled at depths of 0–15 cm (topsoil) and 15–30 cm (subsoil). Results showed that total mean microbial enzymatic activity, as well as biomass C and N content, was significantly higher in F1 compared to F2. The results, despite sample variability, suggest that the rehabilitation program improves the soil biological activities where high rate of soil organic matter, organic C, N, suitable soil acidity range, and abundance of forest litter is believed to be the predisposing factor promoting higher population of microbial in F1 as compared to F2. In conclusion total microbial enzymatic activity, biomass C and biomass N evaluation were higher in enrichment planting plot compared to secondary forest. After 42 years of planting, rehabilitation or enrichment planting helps to restore the productivity of planted forest in terms of biological parameters.
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spelling doaj-art-716d85f56c6f4594beeea16ec523bcf52025-02-03T06:00:19ZengWileyThe Scientific World Journal1537-744X2012-01-01201210.1100/2012/641346641346Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, MalaysiaD. S. Karam0A. Arifin1O. Radziah2J. Shamshuddin3N. M. Majid4A. H. Hazandy5I. Zahari6A. H. Nor Halizah7T. X. Rui8Department of Forest Production, Faculty of Forestry, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaDepartment of Forest Production, Faculty of Forestry, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaDepartment of Land Management, Faculty of Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaDepartment of Land Management, Faculty of Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaDepartment of Forest Production, Faculty of Forestry, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaDepartment of Forest Production, Faculty of Forestry, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaForestry Department Peninsular Malaysia, Jalan Sultan Salahuddin, 50660 Kuala Lumpur, MalaysiaForestry Department Peninsular Malaysia, Jalan Sultan Salahuddin, 50660 Kuala Lumpur, MalaysiaDepartment of Forest Production, Faculty of Forestry, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaDeforestation leads to the deterioration of soil fertility which occurs rapidly under tropical climates. Forest rehabilitation is one of the approaches to restore soil fertility and increase the productivity of degraded areas. The objective of this study was to evaluate and compare soil biological properties under enrichment planting and secondary forests at Tapah Hill Forest Reserve, Perak after 42 years of planting. Both areas were excessively logged in the 1950s and left idle without any appropriate forest management until 1968 when rehabilitation program was initiated. Six subplots (20 m × 20 m) were established within each enrichment planting (F1) and secondary forest (F2) plots, after which soil was sampled at depths of 0–15 cm (topsoil) and 15–30 cm (subsoil). Results showed that total mean microbial enzymatic activity, as well as biomass C and N content, was significantly higher in F1 compared to F2. The results, despite sample variability, suggest that the rehabilitation program improves the soil biological activities where high rate of soil organic matter, organic C, N, suitable soil acidity range, and abundance of forest litter is believed to be the predisposing factor promoting higher population of microbial in F1 as compared to F2. In conclusion total microbial enzymatic activity, biomass C and biomass N evaluation were higher in enrichment planting plot compared to secondary forest. After 42 years of planting, rehabilitation or enrichment planting helps to restore the productivity of planted forest in terms of biological parameters.http://dx.doi.org/10.1100/2012/641346
spellingShingle D. S. Karam
A. Arifin
O. Radziah
J. Shamshuddin
N. M. Majid
A. H. Hazandy
I. Zahari
A. H. Nor Halizah
T. X. Rui
Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia
The Scientific World Journal
title Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia
title_full Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia
title_fullStr Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia
title_full_unstemmed Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia
title_short Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia
title_sort impact of long term forest enrichment planting on the biological status of soil in a deforested dipterocarp forest in perak malaysia
url http://dx.doi.org/10.1100/2012/641346
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