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Implications of climate change for Malaysian tropical montane bird communities discernible over a 14-years interval

Implications of climate change for Malaysian tropical montane bird communities discernible over a 14-years interval
Implications of climate change for Malaysian tropical montane bird communities discernible over a 14-years interval
Tropical montane ecosystems are vulnerable to multiple threats, and severe ecological impact on such systems has been documented. However, trends for local montane biodiversity are often varied. Such discrepancy underscores the need to parse the spatial and temporal dynamic of each habitat type within a montane landscape in terms of their species richness, species turnover rate, and relative abundance. We studied species richness and composition of two tropical montane bird communities at two localities in Peninsular Malaysia in 2002-03 and 2016-17. The habitat types sampled at each locality represent a disturbance gradient within a montane landscape. While the number of species generally increased along the disturbance gradient, all study sites (bar tea plantation) had the same or fewer species observed in 2016-17. At the community level observed from the two time periods, Fraser’s Hill – where development has been absent since 1920s – had a decrease in species richness; and a higher proportion of species with a decline in their relative abundance, compared to the more disturbed landscape in Cameron Highlands. Both the number of species lost and the number of species gained also varied considerably between the two communities. Our results suggest that climate change is a likely factor in negatively impacting the montane bird communities in Peninsular Malaysia, and highlight the need to monitor the temporal dynamic in the composition of local communities.
0025-1291
127-136
Soh, Malcolm C.K.
5f99b203-3c5f-4d3a-b5b8-fd245b349bf5
Ng, Carilynne
790056f9-a73b-4194-a69b-436977ea9749
Puan, Chong Leong
ee016748-80a8-4b53-a2e3-15bb9b386bbe
Peh, Kelvin S.-H.
0bd60207-dad8-43fb-a84a-a15e09b024cc
Soh, Malcolm C.K.
5f99b203-3c5f-4d3a-b5b8-fd245b349bf5
Ng, Carilynne
790056f9-a73b-4194-a69b-436977ea9749
Puan, Chong Leong
ee016748-80a8-4b53-a2e3-15bb9b386bbe
Peh, Kelvin S.-H.
0bd60207-dad8-43fb-a84a-a15e09b024cc

Soh, Malcolm C.K., Ng, Carilynne, Puan, Chong Leong and Peh, Kelvin S.-H. (2021) Implications of climate change for Malaysian tropical montane bird communities discernible over a 14-years interval. The Malayan Nature Journal, 81st Anniversar, 127-136.

Record type: Article

Abstract

Tropical montane ecosystems are vulnerable to multiple threats, and severe ecological impact on such systems has been documented. However, trends for local montane biodiversity are often varied. Such discrepancy underscores the need to parse the spatial and temporal dynamic of each habitat type within a montane landscape in terms of their species richness, species turnover rate, and relative abundance. We studied species richness and composition of two tropical montane bird communities at two localities in Peninsular Malaysia in 2002-03 and 2016-17. The habitat types sampled at each locality represent a disturbance gradient within a montane landscape. While the number of species generally increased along the disturbance gradient, all study sites (bar tea plantation) had the same or fewer species observed in 2016-17. At the community level observed from the two time periods, Fraser’s Hill – where development has been absent since 1920s – had a decrease in species richness; and a higher proportion of species with a decline in their relative abundance, compared to the more disturbed landscape in Cameron Highlands. Both the number of species lost and the number of species gained also varied considerably between the two communities. Our results suggest that climate change is a likely factor in negatively impacting the montane bird communities in Peninsular Malaysia, and highlight the need to monitor the temporal dynamic in the composition of local communities.

Text
Soh et al. 2021 MNJ manuscript - accepted version - Accepted Manuscript
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More information

Submitted date: 31 December 2020
Accepted/In Press date: 22 January 2021
Published date: 1 April 2021

Identifiers

Local EPrints ID: 446651
URI: http://eprints.soton.ac.uk/id/eprint/446651
ISSN: 0025-1291
PURE UUID: a77be1ee-df54-4901-9543-597c4cbb2127
ORCID for Kelvin S.-H. Peh: ORCID iD orcid.org/0000-0002-2921-1341

Catalogue record

Date deposited: 17 Feb 2021 17:31
Last modified: 22 Nov 2021 03:03

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Contributors

Author: Malcolm C.K. Soh
Author: Carilynne Ng
Author: Chong Leong Puan

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