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All Journal Biodiversitas Journal of Biological Diversity Nusantara Bioscience
AZIAN MOHTI
Forestry and Environment Division, Forest Research Institute Malaysia. 52109 Kepong, Selangor Darul Ehsan, Malaysia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Other

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Toward healthy urban streets: Diversity of roadside tree species in industrial area of Shah Alam, Selangor, Malaysia HASYA HANNANI RUZIMAN; ASMIDA ISMAIL; AZIAN MOHTI; KHAIRUL ADZFA RADZUN; FAEZAH PARDI
Biodiversitas Journal of Biological Diversity Vol. 24 No. 5 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240520

Abstract

Abstract. Ruziman HH, Ismail A, Mohti A, Radzun KA, Pardi F. 2023. Toward healthy urban streets: Diversity of roadside tree species in industrial area of Shah Alam, Selangor, Malaysia. Biodiversitas 24: 2674-2681. Shah Alam, one of the biggest cities in Selangor has undergone a significant transformation with numerous developments to cater the needs of the ever-growing population. However, the rapid urbanization and massive infrastructure developments have indirect effects on landscape patterns and roadside tree diversity. Hence, this study was conducted to assess the species richness and diversity of roadside trees in Shah Alam, Selangor. All trees with height of 1 meter and above in Section 15 and 16 were measured and identified as referred to the Landscape Department of Shah Alam City Council (MBSA) computerized database. The data were analyzed for their taxonomic composition and species diversity. A total of 5,523 trees were recorded where 4,087 trees occurred in Section 15 and 1,426 trees in Section 16. Fabaceae was the most dominant family in both sections in which three leading species, i.e. Peltophorum pterocarpum (DC.) Backer ex K.Heyne, Pterocarpus indicus Willd. and Roystonea regia (Kunth) O.F.Cook, accounted for 14.7% of the planted trees. Section 15 was relatively higher in taxonomic composition with 11 families and 25 species than Section 16, with 8 families and 18 species. The values for species diversity index were considered high in both sections with 8.37 despite the environmental impact from the industrial activities. Thus, it is suggested that future research should include the potential risks of biodiversity loss for proper management practices in urban settings.
Assessing forest biomass and diversity of tree populations in Tekam Forest Reserve, Pahang, Malaysia HASYA HANNANI RUZIMAN; AZIAN MOHTI; NIK NORAFIDA BINTI NEK ALI @ NIK ALI; ASMIDA ISMAIL; FAEAH PARDI
Biodiversitas Journal of Biological Diversity Vol. 25 No. 9 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250901

Abstract

Abstract. Ruziman HH, Mohti A, Nik Ali NNBNA, Ismail A, Pardi F. 2024. Assessing forest biomass and diversity of tree populations in Tekam Forest Reserve, Pahang, Malaysia. Biodiversitas 25: 2821-2827. Free Air CO2 Enrichment (FACE) experiments are long-term monitoring projects to comprehend the response of forest ecosystems to future atmospheres with CO2 enriched. Therefore, the research aims to determine the forest biomass and species diversity in the FACE system of Tekam Forest Reserve (TFR), Pahang, Malaysia. The sampling plots of 25 m × 20 m were established in TekamFACE as experimental plot and control plot in TFR. Allometric equation, Shannon-Wiener, and Evenness indices were used to estimate the standing biomass, carbon stock and species diversity, respectively. Tekam FACE system recorded total forest biomass of 54.38 ton/ha, contributed by 42.82 tons/ha of Above-Ground Biomass (AGB) and 11.56 tons/ha of Below-Ground Biomass (BGB). High carbon stock was also estimated at both forest plots with 27.19 tons/ha in TekamFACE and 17.35 tons/ha in control plot. These values indicated that the forest has high biomass, which can contribute to carbon sequestration that help mitigate the impacts of climate change. Further, this forest recorded high Species Diversity (H’) and Species Evenness (E) at TekamFACE (H’ = 4.04; E = 0.93) and control plot (H’ = 3.53; E = 0.83). Overall, this research emphasized that forests with rich biodiversity have substantial carbon sequestration capacity for the adaptation of forest ecosystems to future atmospheric changes.
Comparative assessment of carbon dioxide (CO2) absorption capacities in Koompassia malaccensis and Hopea nervosa in Tekam Forest Reserve, Pahang, Malaysia HASYA HANNANI RUZIMAN; AZIAN MOHTI; NURUL EMYLIANA SYAFIKA CHE YO; FAEZAH PARDI
Nusantara Bioscience Vol. 16 No. 2 (2024)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n160204

Abstract

Abstract. Ruziman HH, Mohti A, Yo NESC, Pardi F. 2024. Comparative assessment of carbon dioxide (CO2) absorption capacities in Koompassia malaccensis and Hopea nervosa in Tekam Forest Reserve, Pahang, Malaysia. Nusantara Bioscience 16: 185-191. Trees, the dominant life form in forests, are essential in the functioning of the terrestrial biosphere, especially for the carbon cycle of the ecosystem. This study aims to assess CO2 absorption by two forest production species: Koompassia malaccensis Maingay and Hopea nervosa King. The experiment was carried out in an acrylic box, and the variation of carbon dioxide concentration, humidity, light, and temperature was measured using a Carbon Dioxide, Light, Temperature, and Humidity (CLTM) sensor. The experiment was conducted in an open area from 7:30 am to 6:30 am the next day (23 hours). The results showed that H. nervosa absorbed more CO2 (71.13 ppm/hour) than K. malaccensis (51.54 ppm/hour), thus promoting its ability to address climate change in the microenvironment. As for the relationship between carbon dioxide absorption and photosynthesis variables, both species show a positive correlation between CO2 absorption and humidity. In contrast, light and temperature were very weakly correlated to CO2. Therefore, it was identified that H. nervosa (Dipterocarpaceae) and K. malaccensis (Fabaceae) are tree species with high CO2 absorption capacity and thus can be considered suitable trees for replanting, especially in light of carbon mitigation initiatives.
Co-Authors ASMIDA ISMAIL ASMIDA ISMAIL FAEAH PARDI FAEZAH PARDI HASYA HANNANI RUZIMAN KHAIRUL ADZFA RADZUN NIK NORAFIDA BINTI NEK ALI @ NIK ALI NURUL EMYLIANA SYAFIKA CHE YO