Rattan composition and diversity assessment in tropical rainforests of Peninsular Malaysia for conservation

Rozali, Fasihah Zarifah; Masum, Kazi Mohammad; Mansor, Mashhor; Mansor, Asyraf

doi:10.1007/s10531-021-02226-3

Cited by 2 publications

(5 citation statements)

References 17 publications

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“…informs on their population coverage in low altitude (<1,000 masl) dipterocarp forests (Stiegel et al 2011;Thonhofer et al 2015). This similar forest could also host different types of rattan (Rozali et al 2014). In another scenario, rattan from the Calamus group was discovered at 800-2,000 masl (Nfornkah et al 2022).…”

Section: Discussionmentioning

confidence: 99%

“…This accounts for the increased diversity in lowlands and richness only for certain Korthalsia sp. in highland areas (Dransfield 1979;1984;Dransfield and Manokaran 1994;Rozali et al 2014;Rozali et al 2021). Therefore, allopatric diversity caused by moisture could be responsible for local and geographical rattan species separations, which means the clustering climbing palms like Korthalsia sp.…”

Section: Discussionmentioning

confidence: 99%

“…The study by Watanabe and Suzuki (2008) showed that rattan inhabits any altitude of the forested habitat, from the lowland to the mountainous region. Thus, to obtain a better picture of the numbers of Korthalsia throughout Peninsular Malaysia plus Sabah and Sarawak (Borneo), gathering more information on clustering climbing palms (rattans) is only possible when sampling across altitudinal (Stiegel et al 2011;Rozali et al 2014;Rawal et al 2018;Sekar et al 2023) and latitudinal (Shi et al 2014;Cuesta et al 2017) were conducted. In this case, the discovery of K. scortechinii was reported from Peninsular Thailand in this study collected from Narathiwat, Thailand, and it was deposited to Kew herbarium (Accession No.…”

Section: Discussionmentioning

confidence: 99%

“…Voucher specimens were made according to standard palm preparation guidelines (Griffith et al 2021) and deposited at the Royal Botanic Garden Kew and Forest Research Institute Malaysia, Kepong herbaria. The distribution of Korthalsia in Sabah was extracted from Pesiu (2019), and updates for Perak were from Rozali et al (2021).…”

Section: Study Areamentioning

confidence: 99%

“…It was assumed a stress value lower than 0.3 as a measure of clustered reliability for 2D and 3D nMDS (Alberti and Wang 2022;Steinke et al 2022). Non-metric multidimensional scaling, based on a distance matrix, was used to observe graphically the differences in species assemblage at each region (Malay peninsula, Sabah, and Sarawak), allowing samples to be ordered according to species distribution (Roberts 2020…”

Section: Data Analysis Floral Data Set and Species Estimationmentioning

confidence: 99%

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Species richness and phytogeographic affinities of rattan genus Korthalsia in Malaysia

SHAHIMI,

JAMALUDIN,

AHMAD

2023

Biodiversitas

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Abstract. Shahimi S, Jamaludin AA, Ahmad A. 2023. Species richness and phytogeographic affinities of rattan genus Korthalsia in Malaysia. Biodiversitas 24: 5764-5778. The clustering climbing palm genus Korthalsia Blume (Arecaceae: Calamoideae: Calameae) is widespread in the Malesian region with 28 documented species. However, as many as 18 species are available in Malaysian rainforests. An inquiry was carried out in 2019 throughout Malaysia that included species richness and phytogeographic affinities for Korthalsia. Currently, Korthalsia is highly diverse in Sabah and Sarawak, with 15 species documented in this region, whereas 9 species are present in the Malay Peninsula. Species of Korthalsia were dominated by Korthalsia echinometra Becc., Korthalsia flagellaris Miq., Korthalsia hispida Becc., Korthalsia rigida Blume, and Korthalsia rostrata Blume, which suggests their prevalence in richness compared to being diverse; only 5 species found in all regions. The species accumulation curve indicates that this region's rattan community is moderately rich. There is an east-west separation for the distribution of rattan species in Peninsular Malaysia. This work's novelty reflects a new record for the distribution of K. hispida in Penang that indicates reductions in occurrence for known distributions. Perhaps underscores on significance and inadequacies related to continuous monitoring were responsible for efforts to develop a comprehensive understanding of the diversity, distribution, and potential discoveries for Korthalsia. This indicates risks from development because accessibility is improved and allows researchers to reach further terrain that previously could not be explored. However, despite this weakness, a correct checklist should be constructed for existing rainforests so Korthalsia dispersal, diversity, and richness can be correctly archived.

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