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Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak

Tree diameter distribution provides information for forest assessment. Community forest is the forest that were established for the importance of the local community and have research value. However, there are lack of forestry data of community forest at Kumpang Langgir, Sri Aman, Sarawak. The objec...

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Main Author: Muhamad Kamal, Bin Abdul Sani.
Format: Final Year Project Report
Language:English
Published: unimas 2016
Subjects:
Q Science (General)
SB Plant culture
Online Access:http://ir.unimas.my/id/eprint/20842/8/Tree%20diameter%20distribution%20fulltext.pdf
http://ir.unimas.my/id/eprint/20842/
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spelling my.unimas.ir.208422023-08-18T03:22:02Z http://ir.unimas.my/id/eprint/20842/ Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak Muhamad Kamal, Bin Abdul Sani. Q Science (General) SB Plant culture Tree diameter distribution provides information for forest assessment. Community forest is the forest that were established for the importance of the local community and have research value. However, there are lack of forestry data of community forest at Kumpang Langgir, Sri Aman, Sarawak. The objective of this study was to determine the diameter distribution of the community forest. Twenty-five plots of 20m x 20m were laid on four different transects over 20 ha study area. Tree diameter at breast height (DBH) of 5 cm and above were measured and identified up to species level. DBH recorded were grouped into classes with interval of 5 cm. Number of family, genus, species and trees for each DBH classes were analysed. Basal area, Importance Value index (IVi) and Morisita’s index were also determined. There were 15 DBH classes recorded. Graph of relationship between number of family, genus, species and stems according to each DBH class shows reverse J-shaped. Indicates that the forest regeneration is healthy. In term of genus, Dipterocarpaceae and Myrtaceae ranked top in 5 different DBH classes each. Graph of total basal area for each DBH class shows skewed to the left bell-shaped pattern. For IVi value, Syzygium antisepticum (Myrtaceae) is the most dominance species in 7 out of 10 DBH class. Myrtaceae species dominated the forest compared with Dipterocarpaceae species. Morisita’s index shows smaller DBH classes (5<10 cm and 10<15 cm) were dispersed randomly and larger DBH classes (15<20 cm and above) were dispersed uniformly unimas 2016 Final Year Project Report NonPeerReviewed text en http://ir.unimas.my/id/eprint/20842/8/Tree%20diameter%20distribution%20fulltext.pdf Muhamad Kamal, Bin Abdul Sani. (2016) Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak. [Final Year Project Report] (Unpublished)
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
topic Q Science (General)
SB Plant culture
spellingShingle Q Science (General)
SB Plant culture
Muhamad Kamal, Bin Abdul Sani.
Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak
description Tree diameter distribution provides information for forest assessment. Community forest is the forest that were established for the importance of the local community and have research value. However, there are lack of forestry data of community forest at Kumpang Langgir, Sri Aman, Sarawak. The objective of this study was to determine the diameter distribution of the community forest. Twenty-five plots of 20m x 20m were laid on four different transects over 20 ha study area. Tree diameter at breast height (DBH) of 5 cm and above were measured and identified up to species level. DBH recorded were grouped into classes with interval of 5 cm. Number of family, genus, species and trees for each DBH classes were analysed. Basal area, Importance Value index (IVi) and Morisita’s index were also determined. There were 15 DBH classes recorded. Graph of relationship between number of family, genus, species and stems according to each DBH class shows reverse J-shaped. Indicates that the forest regeneration is healthy. In term of genus, Dipterocarpaceae and Myrtaceae ranked top in 5 different DBH classes each. Graph of total basal area for each DBH class shows skewed to the left bell-shaped pattern. For IVi value, Syzygium antisepticum (Myrtaceae) is the most dominance species in 7 out of 10 DBH class. Myrtaceae species dominated the forest compared with Dipterocarpaceae species. Morisita’s index shows smaller DBH classes (5<10 cm and 10<15 cm) were dispersed randomly and larger DBH classes (15<20 cm and above) were dispersed uniformly
format Final Year Project Report
author Muhamad Kamal, Bin Abdul Sani.
author_facet Muhamad Kamal, Bin Abdul Sani.
author_sort Muhamad Kamal, Bin Abdul Sani.
title Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak
title_short Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak
title_full Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak
title_fullStr Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak
title_full_unstemmed Tree diameter distribution of a community forest at Kumpang Langgir, Sri Aman, Sarawak
title_sort tree diameter distribution of a community forest at kumpang langgir, sri aman, sarawak
publisher unimas
publishDate 2016
url http://ir.unimas.my/id/eprint/20842/8/Tree%20diameter%20distribution%20fulltext.pdf
http://ir.unimas.my/id/eprint/20842/
_version_ 1775627221729280000
score 13.211869

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