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      • KCI등재

        Current Status and Potentiality of Forest Resources in a Proposed Biodiversity Conservation Area of Bangladesh

        Rana, Md. Parvez,Uddin, Mohammed Salim,Chowdhury, Mohammad Shaheed Hossain,Sohel, Md. Shawkat Lsiam,Akhter, Sayma,Kolke, Masao Institute of Forest Science 2009 Journal of Forest Science Vol.25 No.3

        An exploratory study was conducted in Juri Forest Range-2, a proposed biodiversity conservation area of Bangladesh to explore the present growing stock of tree, regeneration condition and status of non-timber forest products (NTFPs). This conservation area contains both natural and artificial plantation was selected by using multistage random sampling method. For determination of plot size and sampling methods, the quadrate size ($10m{\times}10m$) for tree stock measurement, ($2m{\times}2m$) for regeneration survey, ($20m{\times}20m$) for NTFPs survey was determined. Regarding tree stock survey, 14 species under eight families were found where Tectona grandis shows average number of stem/ha was 624 and basal area/ha was (10.36 $m^2/ha$) followed by Acacia auriculiformis (0.2 $m^2/ha$ and 637 stem/ha), Gmelina arborea (0.2 $m^2/ha$ and 600 stem/ha). In regeneration survey, 14 species were found belonging to 9 families where Alstonia scholaris shows highest (3,750) seedling per hectare. Regarding NTFPs, bamboo and cane are the most common resources. In last ten years, the total timber output was 1,28,596.14 cubic feet and total amount of revenue was 4,64,434 US$. The vacant area is 1,335.5 acre which contains 14% of total area. If this vacant area is planted with suitable species and take proper steps for appropriate management of this species it will be a good biologically diversified area.

      • KCI등재

        Current Status and Potentiality of Forest Resources in a Proposed Biodiversity Conservation Area of Bangladesh

        Md. Parvez Rana,Mohammed Salim Uddin,Mohammad Shaheed Hossain Chowdhury,Md. Shawkat Islam Sohel,Sayma Akhter,Masao Koike 강원대학교 산림과학연구소 2009 Journal of Forest Science Vol.25 No.3

        An exploratory study was conducted in Juri Forest Range-2, a proposed biodiversity conservation area of Bangladeshto explore the present growing stock of tree, regeneration condition and status of non-timber forest products (NTFPs). Thisconservation area contains both natural and artificial plantation was selected by using multistage random sampling method. Fordetermination of plot size and sampling methods, the quadrate size (10 m×10 m) for tree stock measurement, (2 m×2 m) forregeneration survey, (20 m×20 m) for NTFPs survey was determined. Regarding tree stock survey, 14 species under eight familieswere found where Tectona grandis shows average number of stem/ha was 624 and basal area/ha was (10.36 m2/ha) followed byAcacia auriculiformis (0.2 m2/ha and 637 stem/ha), Gmelina arborea (0.2 m2/ha and 600 stem/ha). In regeneration survey, 14species were found belonging to 9 families where Alstonia scholaris shows highest (3,750) seedling per hectare. Regarding NTFPs,bamboo and cane are the most common resources. In last ten years, the total timber output was 1,28,596.14 cubic feet and totalamount of revenue was 4,64,434 US$. The vacant area is 1,335.5 acre which contains 14% of total area. If this vacant area isplanted with suitable species and take proper steps for appropriate management of this species it will be a good biologicallydiversified area.

      • KCI등재

        Leea macrophylla (Roxb.) root extract reverses CCl4 induced liver injury through upregulation of antioxidative gene expression: a molecular interaction for therapeutic inception

        Md. Rakibul Hassan Bulbul,Md. Atiar Rahman,Md. Zillur Rahman,Talha Bin Emran,Mirola Afroze,Mala Khan,Muhammad Abid Hasan Chowdhury,Mohammed Auwal Ibrahim,Mohammed Sohel Chowdhury 경희대학교 융합한의과학연구소 2020 Oriental Pharmacy and Experimental Medicine Vol.20 No.1

        This study investigated the restorative effect of Leea macrophylla ethanol root extract (LMERE) in carbon tetrachloride (CCl4) induced hepatic injury. It also tried to unfold the underlying mechanism through ligand-receptor interactions. Prior to conduct the CCl4 induced animal model study, the in vitro antioxidative capacities of LMERE were investigated. Gas chromatography mass spectroscopy (GC–MS) was accomplished to identify the prevalent bioactive compounds. The molecular docking was performed using Schrödinger Suites 2017-1. Results showed the promising antioxidative potentials of LMERE in in vitro models. Upon treatment of CCl4 intoxicated animals with LMERE, serum ALT and AST were found to be significantly (p < 0.05) reduced compared to the CCl4 control while LMERE50 was noted as the best dose in restoring the hepatic markers. Serum lipids and total protein were significantly restored compared to control. Remarkable changes of cell necrosis, apoptosis and sinusoidal dilution were noticed in histopathological assay of liver tissue. mRNA expression for superoxide dismutase (SOD1) and catalase was multifold increased which are statistically significant compared to reference drug, silymarin. In docking study, octadecanoic acid showed the lowest binding energy and highest binding affinity with the protein (ID: 1VKX) which is a crystallized structure of NF-κB p50/p65 heterodimer involved in cytokine production. The findings demonstrate that LMERE restores the hepatic damage by the mRNA expression of antioxidative enzymes while LMERE50, at a glance, seems the most suitable dose.

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