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Variation on water quality of Kerangas forest streams due to invasion of Acacia

Acacia invasion has shown a negative impact on the water resources of forest streams. Therefore, studies need to be conducted demonstrating the importance of managing invasive species to preserve stream and forest ecosystems. This study investigates the effects of Acacia invasion on the water qualit...

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Main Authors: Mohamad Hilmi, Ibrahim, Salwana, Jaafar
Format: Article
Language:English
Published: Springer Nature 2025
Subjects:
QK Botany
SD Forestry
Online Access:http://ir.unimas.my/id/eprint/47582/1/IBRAHIM%20ET%20AL%202025.pdf
http://ir.unimas.my/id/eprint/47582/
https://link.springer.com/article/10.1007/s10661-025-13749-5
https://doi.org/10.1007/s10661-025-13749-5
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spelling my.unimas.ir-475822025-02-14T00:21:46Z http://ir.unimas.my/id/eprint/47582/ Variation on water quality of Kerangas forest streams due to invasion of Acacia Mohamad Hilmi, Ibrahim Salwana, Jaafar QK Botany SD Forestry Acacia invasion has shown a negative impact on the water resources of forest streams. Therefore, studies need to be conducted demonstrating the importance of managing invasive species to preserve stream and forest ecosystems. This study investigates the effects of Acacia invasion on the water quality of Kerangas forest streams in Brunei. Water samples were collected from an Acacia-invaded (IN) stream and a non-invaded (NIN) stream during the dry season at three locations along each stream. Water properties, including pH, conductivity, salinity, total dissolved solids (TDS), phosphate, nitrate, ammonia, and nitrite, were analyzed using in situ and laboratory methods. The results showed that Acacia invasion significantly increased pH (from 4.01 to 5.68), nitrate (by 256%), and phosphate (by 250%) levels, while reducing conductivity (by 208%) and salinity (by 20%) compared to non-invaded streams. These findings suggest that Acacia invasion alters water chemistry, potentially posing risks to aquatic ecosystems. Effective management strategies, such as controlling Acacia spread and restoring native vegetation, are essential to mitigate these impacts and preserve forest water resources. Springer Nature 2025 Article PeerReviewed text en http://ir.unimas.my/id/eprint/47582/1/IBRAHIM%20ET%20AL%202025.pdf Mohamad Hilmi, Ibrahim and Salwana, Jaafar (2025) Variation on water quality of Kerangas forest streams due to invasion of Acacia. Environmental Monitoring and Assessment, 197 (291). pp. 1-11. ISSN 1573-2959 https://link.springer.com/article/10.1007/s10661-025-13749-5 https://doi.org/10.1007/s10661-025-13749-5
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 QK Botany
SD Forestry
spellingShingle QK Botany
SD Forestry
Mohamad Hilmi, Ibrahim
Salwana, Jaafar
Variation on water quality of Kerangas forest streams due to invasion of Acacia
description Acacia invasion has shown a negative impact on the water resources of forest streams. Therefore, studies need to be conducted demonstrating the importance of managing invasive species to preserve stream and forest ecosystems. This study investigates the effects of Acacia invasion on the water quality of Kerangas forest streams in Brunei. Water samples were collected from an Acacia-invaded (IN) stream and a non-invaded (NIN) stream during the dry season at three locations along each stream. Water properties, including pH, conductivity, salinity, total dissolved solids (TDS), phosphate, nitrate, ammonia, and nitrite, were analyzed using in situ and laboratory methods. The results showed that Acacia invasion significantly increased pH (from 4.01 to 5.68), nitrate (by 256%), and phosphate (by 250%) levels, while reducing conductivity (by 208%) and salinity (by 20%) compared to non-invaded streams. These findings suggest that Acacia invasion alters water chemistry, potentially posing risks to aquatic ecosystems. Effective management strategies, such as controlling Acacia spread and restoring native vegetation, are essential to mitigate these impacts and preserve forest water resources.
format Article
author Mohamad Hilmi, Ibrahim
Salwana, Jaafar
author_facet Mohamad Hilmi, Ibrahim
Salwana, Jaafar
author_sort Mohamad Hilmi, Ibrahim
title Variation on water quality of Kerangas forest streams due to invasion of Acacia
title_short Variation on water quality of Kerangas forest streams due to invasion of Acacia
title_full Variation on water quality of Kerangas forest streams due to invasion of Acacia
title_fullStr Variation on water quality of Kerangas forest streams due to invasion of Acacia
title_full_unstemmed Variation on water quality of Kerangas forest streams due to invasion of Acacia
title_sort variation on water quality of kerangas forest streams due to invasion of acacia
publisher Springer Nature
publishDate 2025
url http://ir.unimas.my/id/eprint/47582/1/IBRAHIM%20ET%20AL%202025.pdf
http://ir.unimas.my/id/eprint/47582/
https://link.springer.com/article/10.1007/s10661-025-13749-5
https://doi.org/10.1007/s10661-025-13749-5
_version_ 1825166847349096448
score 13.244413

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