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Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia

Assessment of the floristic composition provides information on forest succession stage which is important but only relatively few information are available on the rehabilitated tropical forest. The information can provide an indication of the recovery status of the forest. The objective of this stu...

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Main Authors: Kueh, Roland Jui Heng, Nik Ab. Majid, Nik Muhamad, Gandaseca, Seca, Ahmed, Osumanu Haruna, Jemat, Silvester, Ku, Melvin Kin Kin
Format: Article
Language:English
Published: Faculty of Resource Science and Technology, Universiti Malaysia Sarawak 2013
Online Access:http://psasir.upm.edu.my/id/eprint/30702/1/Assessment%20of%20floristic%20composition%20in%20a%20rehabilitated%20forest.pdf
http://psasir.upm.edu.my/id/eprint/30702/
http://www.bjrst.unimas.my/online-issue/itemlist/category/4-volume-2-number-2-february-2013.html
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spelling my.upm.eprints.307022018-07-16T01:55:20Z http://psasir.upm.edu.my/id/eprint/30702/ Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia Kueh, Roland Jui Heng Nik Ab. Majid, Nik Muhamad Gandaseca, Seca Ahmed, Osumanu Haruna Jemat, Silvester Ku, Melvin Kin Kin Assessment of the floristic composition provides information on forest succession stage which is important but only relatively few information are available on the rehabilitated tropical forest. The information can provide an indication of the recovery status of the forest. The objective of this study was to assess the floristic composition of selected age stands at a rehabilitated forest situated in Universiti Putra Malaysia Bintulu Sarawak Campus, Sarawak, Malaysia. A 20 x 20 m plot (0.04 ha) was established each in stands planted in 1991, 1999, 2008 and an adjacent natural regenerating secondary forest (± 23-year-old). All stands were tagged, identified and analyzed for species composition, Importance Value (IV), species diversity and similarity. Floristic analysis showed that in the rehabilitated forest, over 50% of the total family was dominated by the Dipterocarpaceae family but only 14% in natural regenerating secondary forest. Based on the IV Index, stand year 1991 was dominated by Shorea dasyphylla (IV=155.8) while stand year 1999, 2008 and natural regenerating secondary forest were Dryobalanops beccarii (IV=156.2), Sandoricum borneense (IV=144.4) Teijsmanniodendron holophyllum (IV=115.3), respectively. The Simpson’s diversity index at the rehabilitated forest ranged from 0.82 to 0.87 compared to 0.98 at the natural regenerating secondary forest whereas the Shannon-Wiener diversity index ranged from 2.04 to 2.29 compared to 4.23, respectively. Jaccard’s Coefficient of Similarity (Cj) between all combinations of the study plots was generally low (2.2-19.4%). Rehabilitated forest exhibited climax species community despite having lower species diversity. This can promote the conservation of these climax species. Faculty of Resource Science and Technology, Universiti Malaysia Sarawak 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/30702/1/Assessment%20of%20floristic%20composition%20in%20a%20rehabilitated%20forest.pdf Kueh, Roland Jui Heng and Nik Ab. Majid, Nik Muhamad and Gandaseca, Seca and Ahmed, Osumanu Haruna and Jemat, Silvester and Ku, Melvin Kin Kin (2013) Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia. Borneo Journal of Resource Science and Technology, 2 (2). pp. 60-66. ISSN 2229-9769 http://www.bjrst.unimas.my/online-issue/itemlist/category/4-volume-2-number-2-february-2013.html
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Assessment of the floristic composition provides information on forest succession stage which is important but only relatively few information are available on the rehabilitated tropical forest. The information can provide an indication of the recovery status of the forest. The objective of this study was to assess the floristic composition of selected age stands at a rehabilitated forest situated in Universiti Putra Malaysia Bintulu Sarawak Campus, Sarawak, Malaysia. A 20 x 20 m plot (0.04 ha) was established each in stands planted in 1991, 1999, 2008 and an adjacent natural regenerating secondary forest (± 23-year-old). All stands were tagged, identified and analyzed for species composition, Importance Value (IV), species diversity and similarity. Floristic analysis showed that in the rehabilitated forest, over 50% of the total family was dominated by the Dipterocarpaceae family but only 14% in natural regenerating secondary forest. Based on the IV Index, stand year 1991 was dominated by Shorea dasyphylla (IV=155.8) while stand year 1999, 2008 and natural regenerating secondary forest were Dryobalanops beccarii (IV=156.2), Sandoricum borneense (IV=144.4) Teijsmanniodendron holophyllum (IV=115.3), respectively. The Simpson’s diversity index at the rehabilitated forest ranged from 0.82 to 0.87 compared to 0.98 at the natural regenerating secondary forest whereas the Shannon-Wiener diversity index ranged from 2.04 to 2.29 compared to 4.23, respectively. Jaccard’s Coefficient of Similarity (Cj) between all combinations of the study plots was generally low (2.2-19.4%). Rehabilitated forest exhibited climax species community despite having lower species diversity. This can promote the conservation of these climax species.
format Article
author Kueh, Roland Jui Heng
Nik Ab. Majid, Nik Muhamad
Gandaseca, Seca
Ahmed, Osumanu Haruna
Jemat, Silvester
Ku, Melvin Kin Kin
spellingShingle Kueh, Roland Jui Heng
Nik Ab. Majid, Nik Muhamad
Gandaseca, Seca
Ahmed, Osumanu Haruna
Jemat, Silvester
Ku, Melvin Kin Kin
Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia
author_facet Kueh, Roland Jui Heng
Nik Ab. Majid, Nik Muhamad
Gandaseca, Seca
Ahmed, Osumanu Haruna
Jemat, Silvester
Ku, Melvin Kin Kin
author_sort Kueh, Roland Jui Heng
title Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia
title_short Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia
title_full Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia
title_fullStr Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia
title_full_unstemmed Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia
title_sort assessment of floristic composition in a rehabilitated forest, sarawak, malaysia
publisher Faculty of Resource Science and Technology, Universiti Malaysia Sarawak
publishDate 2013
url http://psasir.upm.edu.my/id/eprint/30702/1/Assessment%20of%20floristic%20composition%20in%20a%20rehabilitated%20forest.pdf
http://psasir.upm.edu.my/id/eprint/30702/
http://www.bjrst.unimas.my/online-issue/itemlist/category/4-volume-2-number-2-february-2013.html
_version_ 1643830138292404224
score 13.211869

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