Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia

Taman Rimba Alam (TRA), Putrajaya is a metropolitan recreational park with an area of 160 ha planted with various tropical forest species. Although TRA is a man-made forest, it serves and functions as any other natural forest especially for the well-being of people in urban area. In order to ensure...

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Main Authors: Norbaiah, M. Y., Nazre, M., Kudus, Kamziah Abd, Idrus, Nur Nisha Mohd
Format: Article
Language:English
Published: Malaysian Society of Applied Biology 2017
Online Access:http://psasir.upm.edu.my/id/eprint/63610/1/Tree%20health%20status%20of%20mixed%20species%20in%20urban%20forest%20of%20Taman%20Rimba%20Alam%2C%20Putrajaya%2C%20Malaysia.pdf
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author Norbaiah, M. Y.
Nazre, M.
Kudus, Kamziah Abd
Idrus, Nur Nisha Mohd
author_facet Norbaiah, M. Y.
Nazre, M.
Kudus, Kamziah Abd
Idrus, Nur Nisha Mohd
author_sort Norbaiah, M. Y.
collection UPM
description Taman Rimba Alam (TRA), Putrajaya is a metropolitan recreational park with an area of 160 ha planted with various tropical forest species. Although TRA is a man-made forest, it serves and functions as any other natural forest especially for the well-being of people in urban area. In order to ensure that TRA could functions as it has been envisaged, tree health is one of major element that needed to be monitored. In forest plantation practises, tree health usually is measured by the growth performance (using diameter or height), and mortality rate within an area planted or among species group. However, Visual Tree Assessment (VTA) method established by the International of Arboriculture (ISA) could be applied to assess tree health for mixed species of planted trees such as in TRA. In order to do that, a study was carried out to assess the tree health in TRA by using the modified VTA method. A total of 644 trees from various species and sizes in TRA were selected and inspected. Results showed that most trees are in good health, but the status of health was different based on species and size of trees. The VTA method also showed that tree defects were mostly found in the crown part due to competition for space and light. Suitable maintenance particularly thinning programme should be done periodically to maintain tree health and reduce tree defects.
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spelling upm.eprints-636102018-11-07T03:23:40Z http://psasir.upm.edu.my/id/eprint/63610/ Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia Norbaiah, M. Y. Nazre, M. Kudus, Kamziah Abd Idrus, Nur Nisha Mohd Taman Rimba Alam (TRA), Putrajaya is a metropolitan recreational park with an area of 160 ha planted with various tropical forest species. Although TRA is a man-made forest, it serves and functions as any other natural forest especially for the well-being of people in urban area. In order to ensure that TRA could functions as it has been envisaged, tree health is one of major element that needed to be monitored. In forest plantation practises, tree health usually is measured by the growth performance (using diameter or height), and mortality rate within an area planted or among species group. However, Visual Tree Assessment (VTA) method established by the International of Arboriculture (ISA) could be applied to assess tree health for mixed species of planted trees such as in TRA. In order to do that, a study was carried out to assess the tree health in TRA by using the modified VTA method. A total of 644 trees from various species and sizes in TRA were selected and inspected. Results showed that most trees are in good health, but the status of health was different based on species and size of trees. The VTA method also showed that tree defects were mostly found in the crown part due to competition for space and light. Suitable maintenance particularly thinning programme should be done periodically to maintain tree health and reduce tree defects. Malaysian Society of Applied Biology 2017 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/63610/1/Tree%20health%20status%20of%20mixed%20species%20in%20urban%20forest%20of%20Taman%20Rimba%20Alam%2C%20Putrajaya%2C%20Malaysia.pdf Norbaiah, M. Y. and Nazre, M. and Kudus, Kamziah Abd and Idrus, Nur Nisha Mohd (2017) Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia. Malaysian Applied Biology Journal, 46 (4). pp. 91-101. ISSN 0126-8643
spellingShingle Norbaiah, M. Y.
Nazre, M.
Kudus, Kamziah Abd
Idrus, Nur Nisha Mohd
Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia
title Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia
title_full Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia
title_fullStr Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia
title_full_unstemmed Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia
title_short Tree health status of mixed species in urban forest of Taman Rimba Alam, Putrajaya, Malaysia
title_sort tree health status of mixed species in urban forest of taman rimba alam putrajaya malaysia
url http://psasir.upm.edu.my/id/eprint/63610/1/Tree%20health%20status%20of%20mixed%20species%20in%20urban%20forest%20of%20Taman%20Rimba%20Alam%2C%20Putrajaya%2C%20Malaysia.pdf
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