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Lack of management in secondary forest is significantly reducing the recovery process of nutrients especially on the top soil. Based on these facts, the soil texture and soil nutrients in secondary forest are important to be studied. The total of 50 soil samples was collected from different plots at 0-15cm in depth and were analysed in the laboratory. The result shows that the soil of Krau Wildlife...
Riparian forests are riverbank ecosystems that contain water-dependent woody plants. The forests are diverse in species, structure, regeneration process, and have important ecological functions in maintaining landscape and biodiversity. We assessed the species composition and stand structure of two riparian forests of differing distance from river edges (abbreviated as zone 1 and zone 2, respectively)...
Dipterocarpaceae is a tree family which consists of 17 genera and approximately 475 species. The Malaysian Plant Red List of Peninsular Malaysia Dipterocarpaceae reported that 35 species are endangered and 15 species are critically endangered. Of the critically endangered species, six are endemics to Peninsular Malaysia in which Dipterocarpus semivestitus or locally known as Keruing padi falls under...
Analysis on tree growth data and survival rate from a 6-year old Karas agroforestry plantations in Rembau, Negeri Sembilan, Malaysia is reported in this paper. Three agroforestry components involved in this study include: (1) Karas monoculture, (2) Karas intercropped with lemongrass, and (3) Karas intercropped with guava. Three replicative plots measuring at 6 rows × 5 column of trees were established...
This study aimed at investigating the influences of tree height on the physiology of rubber tree (Hevea brasiliensis) saplings specifically its relationships with stomatal conductance, chlorophyll content index and diameter. A total of 50 rubber tree saplings were sampled in five growth stages (i.e, 45, 90, 135, 180 and 225 days). The means of rubber tree saplings height were 19cm, 46cm, 81cm, 135cm...
Ecotourism activities in protected area such as in Taman Negara (i.e., hiking and camping) may result in canopy opening which increases light transmission to the forests floor and influencing the variation in forest structure. Thus, this study was conducted to evaluate the effects of ecotourism activities on the light intensity and examine its influence to the forest structure in the protected forests...
This study aims at characterizing the soil properties in the lowland dipterocarp and riparian forests of Taman Negara Pahang, Malaysia. It involves the determination of pH, total exchangeable bases (TEB) and cation exchange capacity (CEC) for the surface (0–15 cm) and subsurface soil (15–30 cm). The above-ground tree biomass was estimated for both forest types. The study shows that the above-ground...
Shorea macrantha (Kepong hantu), critically endangered species of Dipterocarpaceae that produce harder, heavier and more resinous than most merantis as well as its edible large fruits known as ‘engkabang bungkus’ is restricted to swamp and semi swamp localities and the vicinity of rivers. The Malaysian Plant Red List of Peninsular Malaysia Dipterocarpaceae reported that 35 species are endangered and...
Tropical rainforest, in a minute scale of geographical distribution on earth comprises 7% of total land surface, functions as a biodiversity haven for 50% of terrestrial life Amazingly, in 10 ha of Borneo forest, 700 species of trees can be found which is equal to the whole species found in North America Ecologically speaking, with the current situation of rainforest degradation, bird species for...
Today, world's forests have lost about one-third of its total areas since the beginning of civilization. The losses of world forests are alarming and have created serious challenges to the human life which include global warming. The loss of forest has been resulted in large degraded areas in many countries and is estimated reach 1 million ha. There are six anthropogenic activities that lead to the...
This paper presents a change detection analysis of land use/cover in Pulau Indah, Selangor, Malaysia using a time series of Landsat Thematic Mapper (TM) imagery for the years of 1995, 1999 and 2005. The work aims at mapping the extent of mangrove resources, to detect the changes of mangrove area and to study the driving forces that have led to the changes of mangroves in Pulau Indah. Using Maximum...
This research reports results from preliminary data collection for carbon sequestration estimation of rubber plantations. The objective of this study is to determine the stomatal conductance, chlorophyll content, diameter and height at different growth stages of rubber tree saplings. Stomatal conductance, chlorophyll content, diameter and height were measured on the rubber tree (Hevea brasiliensis)...
Wood is a hygroscopic material. When wood is below the fibre saturation point (FRP), it induces the dimensional changes. Dimensional changes in wood are a major source of defect in finishing product that can reduce the quality of the product itself. Shrinkage and swelling of wood occur as a result of moisture content change in atmospheric humidity. Swelling and shrinkage of wood could not be avoided,...
A preliminary study on the influences of ecotourism activities on forest stand structure was carried out in the protected forests of Taman Negara Pahang. Forest stand attributes data were collected from Kuala Keniam and Lata Berkoh areas which comprised of two different conditions (known as natural and disturbed areas) with the size of plots of 20 m × 25 m. All trees greater than 1 cm in diameter...
While Imbak Canyon, Sabah provides both fully-protected habitats and long-term maintenance of biological diversity, the composition of its flora still remain rather insufficiently known. A field survey was undertaken in the pristine forest of Imbak Canyon to identify the major forest types and tree communities, and to document the tree species collected in the study areas. Areas surveyed encompassed...
Riparian Buffer Zone (RBZ) is an important rehabilitation zone between land and water that promotes protection to aquatic life and terrestrial wildlife habitat. Public awareness on the importance of implementation RBZ between forest area and development area is crucial as this could help in reducing pollution into forest areas. The objective of this study is to assess the level of public awareness...
This preliminary study is a part of data collection for the development of the prediction model for the estimation of oil palm above ground biomass (AGB) and stem volume using remote sensing data. Oil palm agricultural tree crops have been extensively studied in the aspect of botanical and cultivation due to its socio-economic and commercial values. Malaysia is known as the world's top producers of...
Information on diameter increment and growth pattern of tree species is very crucial in silvicultural practices and forest management especially in the natural forests. This study dealt with an analysis of tree growth rate in lowland forests of Taman Negara Pahang at Kuala Keniam. For this purpose, a total of 105 individual trees distributed along five transect lines measuring at 100 m × 20 m were...
Above-ground tree biomass was estimated for the low-land forests of Taman Negara, Pahang. Five transect lines measuring at 100 × 20 m of each were established for this study. The transect lines consist of a total of 439 trees. The tree height and the diameter at breast height (DBH) of all trees (≥ 10 cm) were measured in each transect line. Kato et al. (1978) function was used to estimate the three...
The work conducted in this study is based on a preliminary data collection for assessing a soil status in a 5-year old Karas agroforestry plantations in Rembau, Negeri Sembilan, Malaysia. Three agroforestry components involved in this study include (1) Karas (Aquilaria malaccensis) monoculture, (2) Karas intercropped with lemongrass, and (3) Karas intercropped with guava. Three replicative plots measuring...
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