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Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast

Shoot density, standing crop (above- and below-ground biomass) and habitat of salt marsh grass Porteresia coarctata were investigated along the coast of Bakkhali estuary, Cox's Bazar, Bangladesh from January to December 2006. Shoot density of P. coarctata was influenced by season and was found...

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Main Author: Abu Hena, Mustafa Kamal
Format: Article
Language:English
Published: Springer Verlag 2013
Online Access:http://psasir.upm.edu.my/id/eprint/30713/1/Seasonal%20changes%20in%20Porteresia%20coarctata.pdf
http://psasir.upm.edu.my/id/eprint/30713/
http://dx.doi.org/10.1007/s00343-013-2016-3
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spelling my.upm.eprints.307132016-02-15T07:18:46Z http://psasir.upm.edu.my/id/eprint/30713/ Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast Abu Hena, Mustafa Kamal Shoot density, standing crop (above- and below-ground biomass) and habitat of salt marsh grass Porteresia coarctata were investigated along the coast of Bakkhali estuary, Cox's Bazar, Bangladesh from January to December 2006. Shoot density of P. coarctata was influenced by season and was found to be higher (>2 500 shoots/m2) in post-monsoon and minimal in monsoon season; plants were particularly active in vegetative propagation during pre-monsoon. Above-ground biomass was greater along the protected coast compared with the exposed one in this estuary. Below-ground biomass was higher (7. 75-269. 53 g DW/m2) than that above ground (2. 20-114. 75 g DW/m2). Standing crops of P. coarctata showed a negative relationship (R =-0. 77; P <0. 05) with sedimentation rate, while seasonal activity influenced sedimentation. The recorded sedimentation rate was lower (6. 09 mg/(cm2·d)) in pre-monsoon and highest (14. 55 mg/(cm2·d)) in monsoon season. The mean value of pore water salinity was higher (34. 25±5. 05) during post-monsoon and lowest (18. 0±3. 71) in monsoon season. The soil was sandy clay in this P. coarctata bed; it consisted of 86% sand, 13% clay and 1% silt. Soil organic matter dropped during the monsoon season (0. 78%-0. 67%) and was highest ((2. 17±1. 42)%-(2. 3±1. 47)%) during post-monsoon, probably owing to accumulation of decomposed peat on the marsh surface. The mean pore water NH4-N concentration ranged from 2. 44±1. 65 to 3. 33±1. 82 μg/L, with a minimum air temperature of 22. 09°C in post-monsoon and a maximum of 31. 16°C in pre-monsoon. Variations of physico-chemical parameters in the soil, water, and climate governed biological parameters of P. coarctata in the Bakkhali estuary, and were comparable with estuarine environments elsewhere. Springer Verlag 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/30713/1/Seasonal%20changes%20in%20Porteresia%20coarctata.pdf Abu Hena, Mustafa Kamal (2013) Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast. Chinese Journal of Oceanology and Limnology, 31 (1). pp. 1-9. ISSN 0254-4059; ESSN: 1993-5005 http://dx.doi.org/10.1007/s00343-013-2016-3 10.1007/s00343-013-2016-3
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 Shoot density, standing crop (above- and below-ground biomass) and habitat of salt marsh grass Porteresia coarctata were investigated along the coast of Bakkhali estuary, Cox's Bazar, Bangladesh from January to December 2006. Shoot density of P. coarctata was influenced by season and was found to be higher (>2 500 shoots/m2) in post-monsoon and minimal in monsoon season; plants were particularly active in vegetative propagation during pre-monsoon. Above-ground biomass was greater along the protected coast compared with the exposed one in this estuary. Below-ground biomass was higher (7. 75-269. 53 g DW/m2) than that above ground (2. 20-114. 75 g DW/m2). Standing crops of P. coarctata showed a negative relationship (R =-0. 77; P <0. 05) with sedimentation rate, while seasonal activity influenced sedimentation. The recorded sedimentation rate was lower (6. 09 mg/(cm2·d)) in pre-monsoon and highest (14. 55 mg/(cm2·d)) in monsoon season. The mean value of pore water salinity was higher (34. 25±5. 05) during post-monsoon and lowest (18. 0±3. 71) in monsoon season. The soil was sandy clay in this P. coarctata bed; it consisted of 86% sand, 13% clay and 1% silt. Soil organic matter dropped during the monsoon season (0. 78%-0. 67%) and was highest ((2. 17±1. 42)%-(2. 3±1. 47)%) during post-monsoon, probably owing to accumulation of decomposed peat on the marsh surface. The mean pore water NH4-N concentration ranged from 2. 44±1. 65 to 3. 33±1. 82 μg/L, with a minimum air temperature of 22. 09°C in post-monsoon and a maximum of 31. 16°C in pre-monsoon. Variations of physico-chemical parameters in the soil, water, and climate governed biological parameters of P. coarctata in the Bakkhali estuary, and were comparable with estuarine environments elsewhere.
format Article
author Abu Hena, Mustafa Kamal
spellingShingle Abu Hena, Mustafa Kamal
Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast
author_facet Abu Hena, Mustafa Kamal
author_sort Abu Hena, Mustafa Kamal
title Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast
title_short Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast
title_full Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast
title_fullStr Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast
title_full_unstemmed Seasonal changes in Porteresia coarctata (Tateoka) beds along a subtropical coast
title_sort seasonal changes in porteresia coarctata (tateoka) beds along a subtropical coast
publisher Springer Verlag
publishDate 2013
url http://psasir.upm.edu.my/id/eprint/30713/1/Seasonal%20changes%20in%20Porteresia%20coarctata.pdf
http://psasir.upm.edu.my/id/eprint/30713/
http://dx.doi.org/10.1007/s00343-013-2016-3
_version_ 1643830141596467200
score 13.211869

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