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Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method

Mangrove forests are a buffer zone between the coast and the ocean. These tropical coastal areas are responsible for about 75% of the sediment discharged from land to sea. Mangrove ecosystem can act as an efficient sediment trap which are dominantly supplied by rivers and the atmosphere to the ocean...

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Main Authors: Kamaruzzaman, B. Y., Leong, H.F., Mohd. Lokman, Hussain, Sulong, Ibrahim, Mohammed Misbahul, Amin
Format: Article
Language:English
Published: University of Malaya Maritime Research Centre 2009
Subjects:
Mangrove forests
Ecosystem
Mangroves
Mangrove forests > Malaysia
Hutan paya bakau
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/6414
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spelling my.unimap-64142009-07-10T01:08:45Z Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method Kamaruzzaman, B. Y. Leong, H.F. Mohd. Lokman, Hussain Sulong, Ibrahim Mohammed Misbahul, Amin Mangrove forests Ecosystem Mangroves Mangrove forests -- Malaysia Hutan paya bakau Mangrove forests are a buffer zone between the coast and the ocean. These tropical coastal areas are responsible for about 75% of the sediment discharged from land to sea. Mangrove ecosystem can act as an efficient sediment trap which are dominantly supplied by rivers and the atmosphere to the oceans. In this study, an artificial marker horizon method and a 230Thexcess method were used for the determination of the sedimentation rate in the mangrove forests of Bebar river, Pahang. The determination of the average sedimentation rate is based on the assumption that the 230Thexcess is incorporated into the sediments with a constant rate. The latter method is based on measuring the thickness of a vertical sediment section divided by the time span necessary for its deposition. The result of the sedimentation rate obtained from both methods (0.53 cm-yf1 and 0.54 cm-yr') are mutually consistent. Even though our values are somewhat higher, they are nevertheless comparable to sedimentation rates reported at other intertidal areas. This finding suggests that the mangrove forests are not just passive colonizers of mud banks, but actively capture mud to create their own environments. Mangroves are thus an important sink for the fine sediment from rivers and coastal waters. 2009-07-10T01:08:44Z 2009-07-10T01:08:44Z 2004 Article 983-9576-28-3 http://hdl.handle.net/123456789/6414 en University of Malaya Maritime Research Centre
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Mangrove forests
Ecosystem
Mangroves
Mangrove forests -- Malaysia
Hutan paya bakau
spellingShingle Mangrove forests
Ecosystem
Mangroves
Mangrove forests -- Malaysia
Hutan paya bakau
Kamaruzzaman, B. Y.
Leong, H.F.
Mohd. Lokman, Hussain
Sulong, Ibrahim
Mohammed Misbahul, Amin
Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method
description Mangrove forests are a buffer zone between the coast and the ocean. These tropical coastal areas are responsible for about 75% of the sediment discharged from land to sea. Mangrove ecosystem can act as an efficient sediment trap which are dominantly supplied by rivers and the atmosphere to the oceans. In this study, an artificial marker horizon method and a 230Thexcess method were used for the determination of the sedimentation rate in the mangrove forests of Bebar river, Pahang. The determination of the average sedimentation rate is based on the assumption that the 230Thexcess is incorporated into the sediments with a constant rate. The latter method is based on measuring the thickness of a vertical sediment section divided by the time span necessary for its deposition. The result of the sedimentation rate obtained from both methods (0.53 cm-yf1 and 0.54 cm-yr') are mutually consistent. Even though our values are somewhat higher, they are nevertheless comparable to sedimentation rates reported at other intertidal areas. This finding suggests that the mangrove forests are not just passive colonizers of mud banks, but actively capture mud to create their own environments. Mangroves are thus an important sink for the fine sediment from rivers and coastal waters.
format Article
author Kamaruzzaman, B. Y.
Leong, H.F.
Mohd. Lokman, Hussain
Sulong, Ibrahim
Mohammed Misbahul, Amin
author_facet Kamaruzzaman, B. Y.
Leong, H.F.
Mohd. Lokman, Hussain
Sulong, Ibrahim
Mohammed Misbahul, Amin
author_sort Kamaruzzaman, B. Y.
title Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method
title_short Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method
title_full Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method
title_fullStr Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method
title_full_unstemmed Sediment accretion in the Mangrove forests of Bebar River, Pahang, Malaysia: 230th concentration versus artificial marker method
title_sort sediment accretion in the mangrove forests of bebar river, pahang, malaysia: 230th concentration versus artificial marker method
publisher University of Malaya Maritime Research Centre
publishDate 2009
url http://dspace.unimap.edu.my/xmlui/handle/123456789/6414
_version_ 1643788468774502400
score 13.222552

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