Shorea albida Sym. does not regenerate in the Badas peat swamp forest, Brunei Darussalam – An assessment using remote sensing technology

Bęcek, Kazimierz; Yong, Gabriel Yit Vui; Sukri, Rahayu Sukmaria; Lai, Daphne Teck Ching

doi:10.1016/j.foreco.2021.119816

Cited by 7 publications

(3 citation statements)

References 32 publications

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“…In contrast, the upper canopy of peat swamp forests in Brunei often consists purely of S. albida, and so the local population density may be exceptionally high. For example, 43.4-86.0 reproductive individuals per hectare were found in the Badas peat swamp forest (Becek et al, 2022). Therefore, the substantial genetic diversity in S. albida found in this study may result from a large local tree density.…”

Section: Discussionmentioning

confidence: 60%

“…For re-establishing self-sustaining wild populations, individuals for reintroductions should be selected from multiple genetic groups to increase genetic diversity if the species is outcrossing. A study of S. albidadominated peat swamp forest at Badas, Brunei revealed a lack of natural recovery from past disturbances caused by logging and caterpillar infestation (Becek et al, 2022), suggesting that human intervention such as afforestation is required for the recovery or regeneration of S. albida populations. All genetic groups of S. albida in Brunei can serve as genetic resources for the establishment and recovery of genetically healthy populations of S. albida in regions of severe population decline in other parts of its range.…”

Section: Discussionmentioning

confidence: 99%

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Genetic structure and population history of a peat swamp forest tree species, <i>Shorea albida</i> (Dipterocarpaceae), in Brunei Darussalam

et al. 2023

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Southeast Asia supports high biodiversity, in a mosaic of forest types formed by the expansion and contraction of habitats through past climate changes. Among the region's forest types, the geographical distribution of peat swamp forests has fluctuated intensely over the past 120,000 years. Most peat swamp forests in Southeast Asia are found in coastal regions and formed within the last 7,000 years after a decline in sea level. However, some peat swamps were initiated earlier on substrates of slightly higher elevation, and these peat swamps might have been refugia for peat swamp species in the last glacial period and the high sea level period. We assessed genetic diversity, genetic structure and divergence time of current genetic groups for Shorea albida in Brunei, an endemic tree species of Bornean peat swamp forests, using 18 microsatellite markers. Genetic diversity was not lower than has been found in other Shorea species, possibly because of the high density of S. albida in Brunei. Although overall genetic divergence between populations was low, two populations (Ingei and Labi Road 3) were distinct from the other populations. Analysis using DIYABC estimated that three genetic groups (Ingei, Labi Road 3 and others) diverged simultaneously from their ancestral population, whose effective size was very small, about 7,500 years ago, corresponding to a recent sea level peak in the Belait-Baram river basin. In that high sea level period, some higher-elevation lands remained, and peat formation had already started in this region. We propose that the current genetic structure of S. albida in Brunei was formed from small refugial populations that survived the period of higher sea level in these higher-elevation areas. Because of their relatively high genetic diversity, Brunei's S. albida populations should become an important genetic resource for the recovery of genetically healthy populations in other parts of northwest Borneo.

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Section: Discussionmentioning

confidence: 60%

Section: Discussionmentioning

confidence: 99%

Genetic structure and population history of a peat swamp forest tree species, <i>Shorea albida</i> (Dipterocarpaceae), in Brunei Darussalam

et al. 2023

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“…Many areas are without wristbands [38][39][40]. Invasion is based on the economic need [41][42][43], expenditure on mining and timber [44][45][46], and the lack of monitoring and evaluation of the area. So many animals are hunted for sale illegally [47][48][49].…”

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confidence: 99%

Exit Strategy: How Will Forest Investment Program II (FIP II) Go Forward in Central Sulawesi?

Golar

2023

IJSDP

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The Climate Investment Funds are putting into action one of the strategic funding programs that deal with climate change. This program is called the Forest Investment Program (FIP) II in Indonesia, which exists in ten Forest Management Units (FMUs), including Dolago Tanggunung in Central Sulawesi. The program will entice investment in the FMU and terminate in 2022. This research will investigate the prospects for the program's sustainability in the FMU of Dolago Tanggunung using a risk management approach and a literature review. The results of this study show that the FMU Manager will keep doing what funding has already done. Even though the budget isn't massive, there are three priority programs: 1) KRC operationalization, 2) digital-based innovations, and 3) revision of the long-term forest management plan. But several programs will be added to Social Forestry to support the independent community empowerment that has already been done.

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Peatlands in Southeast Asia: A comprehensive geological review

Omar

Ifandi

Sukri

et al. 2022

Earth-Science Reviews

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Shorea albida Sym. does not regenerate in the Badas peat swamp forest, Brunei Darussalam – An assessment using remote sensing technology

Cited by 7 publications

References 32 publications

Genetic structure and population history of a peat swamp forest tree species, <i>Shorea albida</i> (Dipterocarpaceae), in Brunei Darussalam

Genetic structure and population history of a peat swamp forest tree species, <i>Shorea albida</i> (Dipterocarpaceae), in Brunei Darussalam

Exit Strategy: How Will Forest Investment Program II (FIP II) Go Forward in Central Sulawesi?

Peatlands in Southeast Asia: A comprehensive geological review

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