Differences in Seed Germination and Seedling Survival of Selected Dipterocarpaceae Species Collected from Contrasting Forest Types in Brunei Darussalam: Germination and Survival in Dipterocarpaceae

Rahayu S. SUKRI; Hazlina ZAINI; Soon B. YU; Amiruddin RUSLAN; Ammy M. LIMING; Salwana M. JAAFAR

doi:10.51200/jtbc.v22i.5992

Authors

Rahayu S. SUKRI
Hazlina ZAINI
Soon B. YU
Amiruddin RUSLAN
Ammy M. LIMING
Salwana M. JAAFAR Universiti Brunei Darussalam

DOI:

https://doi.org/10.51200/jtbc.v22i.5992

Keywords:

Borneo, endemic, ex-situ conservation, heath forest, Kerangas, lowland rain forests

References

Appanah S (1993) Mass flowering of dipterocarp forests in the aseasonal tropics. Journal of Biosciences 18: 457474. https://doi.org/10.1007/BF02703079.

Appanah S, Turnbull JM (1998) A Review of Dipterocarps: Taxanomy, Ecology and Silviculture. Bogor: Center for International Forestry Research (Indonesia). 220 pp.

Appanah S, Weinland G (1993) Planting Quality Timber trees in Peninsular Malaysia: A Review. Kuala Lumpur: Forest Research Institute Malaysia (Malaysia). 221 pp.

Ashton P (1964) Ecological Studies in the Mixed Dipterocarp Forests of Brunei State. Oxford: United Kingdom. 75 pp.

Atmoko T, Sitepu BS, Adinugroho WC, Mukhlisi, Sayektiningsih T, Setyawati T, et al. (2025) Tree biodiversity in Bornean lowland forest: What are the key species for forest city development in the new capital city of Indonesia? PLoS ONE 20: e0320489. https://doi.org/10.1371/journal.pone.0320489.

Bartholomew D, Barstow M, Randi A, Bodos V, Cicuzza D, Hoo PK, Juiling S, Khoo E, Kusumadewi Y, Majapun R, Andi Maryani AM, Maycock CR, Nilus R, Pereira JT, Sang J, Robiansyah I, Sugau JB, Tanggaraju S, Tsen S, Yiing LC (2021) The Red List of Bornean Endemic Dipterocarps. London: Botanic Gardens Conservation International (United Kingdom). 45 pp.

Bell DL, Sultan SE (1999) Dynamic phenotypic plasticity for root growth in Polygonum: a comparative study. American Journal of Botany 86: 807819. https://doi.org/10.2307/2656702.

Bryan JE, Shearman PL, Asner GP, Knapp DE, Aoro G, Lokes B (2013) Extreme differences in forest degradation in Borneo: Comparing practices in Sarawak, Sabah and Brunei. Public Library of Science 8: 17. https://doi.org/10.1371/journal.pone.0069679.

Coode MJE, Dransfield J, Forman LL, Kirkup DW, Said IM (1996) A Checklist of the Flowering Plants and Gymnosperms of Brunei Darussalam. London: Royal Botanic Gardens, Kew (United Kingdom).447 pp.

Daws MI, Crabtree LM, Dalling JW, Mullins CE, Burslem DFRP (2008) Germination responses to water potential in neotropical pioneers suggest large-seeded species take more risks. Annals of Botany 102: 945951. https://doi.org/10.1093/aob/mcn186.

Din HHM, Bakir NB, Sukri RS, Metali F (2018) Assessment of seedling abundance, survival and growth of two dipterocarp species in peat swamp forests of Brunei Darussalam. Biotropica 25: 148154. https://doi.org/10.11598/btb.2018.25.2.805.

Ekasari I, Oktaviani L (2024) Seed morphology and germination type of some species of dipterocarps. Nusantara Bioscience. 16: 192–200. https://doi.org/10.13057/nusbiosci/n160205.

Ghazoul J (2016) Dipterocarp Biology, Ecology, and Conservation. Oxford University Press (United Kingdom).320 pp.

IUCN (2025) The IUCN Red List of Threatened Species. Version 2024-2. https://www.iucnredlist.org. (Accessed 9 January 2025).

Jaafar S, Sukri RS, Procheş Ş (2016) An investigation of soil physico-chemical variables across different lowland forest ecosystems of Brunei Darussalam. Malaysian Journal of Science: 35, 148–166.

Mestanza-Ramón C, Henkanaththegedara SM, Duchicela PV, Tierras YV, Capa MS, Mejía DC, Gutierrez MJ, Guamán MC, Ramón PM (2020) In-situ and ex-situ biodiversity conservation in Ecuador: A review of policies, actions and challenges. Diversity 12: 315. https://doi.org/10.3390/d12080315.

Naito Y, Kanzaki M, Iwata H, Obayashi K, Lee SL, Muhammad N, Okuda T, Tsumura Y (2008) Density-dependent selﬁng and its effects on seed performance in a tropical canopy tree species, Shorea acuminata (Dipterocarpaceae). Forest Ecology and Management 256: 375–383. https://doi.org/10.1016/j.foreco.2008.04.031.

Osada N, Takeda H, Furukawa A, Awang M (2001) Fruit dispersal of two dipterocarp species in a Malaysian rain forest. Journal of Tropical Ecology 17: 911–917. https://doi:10.1017/S0266467401001687.

Paine CET, Stenflo M, Philipson CD, Saner P, Bagchi R, Ong RC, Hector A (2012) Differential growth responses in seedlings of ten species of Dipterocarpaceae to experimental shading and defoliation. Journal of Tropical Ecology 28: 377–384. https://doi:10.1017/S0266467412000326.

Pang SEH, De Alban JDT, Webb EL (2021) Effects of climate change and land cover on the distributions of a critical tree family in the Philippines. Scientific Reports 276: 1–13. https://doi.org/10.1038/s41598-020-79491-9.

Papuangan N, Nurhasanah, Djurumudi M (2014) Jumlah dan distribusi stomata pada tanaman penghijauan di Kota Ternate. Journal Bioedukasi 3: 287–292.

R Core Team (2023) R: A language and environment for statistical computing. https://www.R-project.org/ Accessed on: 21 March 2023.

Sasaki S (2008) Physiological characteristics of tropical rain forest tree species: A basis for the development of silvicultural technology. Proceedings of the Japan Academy, Series B 84: 31–57. https://doi.org/10.2183/pjab.84.31.

Slik JWF, Poulsen AD, Ashton PS, Cannon CH, Eichhorn KAO, Kartawinata K, Lanniari I, Nagamasu H, Nakagawa M, van Nieuwstadt MGL, Payne J, Purwaningsih, Saridan A, Sidiyasa KD, Verbug RW, Webb CO (2003) A floristic analysis of the lowland dipterocarp forests of Borneo. Journal of Biogeography 30: 1517–1531. https://doi.org/10.1046/j.1365-2699.2003.00967.x.

Sukri RS, Wahab RA, Salim KA, Burslem DFRP (2012) Habitat associations and community structure of Dipterocarps in response to environment and soil conditions in Brunei Darussalam, Northwest Borneo. Biotropica 44: 595–605. https://doi.org/10.1111/j.1744-7429.2011.00837.x.

Susilowati A, Rachmat HH, Hidayat A, Elfiati D, Yulita DS, Ginting IM (2021) Ex-situ conservation effort for Dipterocarpus species through the seedling collection and nursery management. IOP Conference Series: Earth and Environmental Science 782: 1–8. https://doi.org/10.1088/1755-1315/782/4/042028.

Tiansawat P, Davis AS, Berhow MA, Zalamea PC, Dalling JW (2016) Investment in seed physical defence is associated with species' light requirement for regeneration and seed persistence: Evidence from Macaranga species in Borneo. PLOS ONE 11: e0144756. https://doi.org/10.1371/journal.pone.0144756.

Tweddle JC, Dickie JB, Baskin CC, Baskin JM (2003) Ecological aspects of seed desiccation sensitivity. Journal of Ecology 91: 294–304. https://doi.org/10.1046/j.1365-2745.2003.00760.x.

Velazco SJE, Blum CT, Hoffmann PM (2018) Germination and seedlings development of the threatened species Quillaja brasiliensis. Cerne 24: 90–97. https://doi.org/10.1590/01047760201824022530.

Widiyatno, Hidayati F, Hardiwinoto S, Indrioko S, Purnomo S, Jatmoki, Tani N, Naeim M (2020) Selection of dipterocarp species for enrichment planting in a secondary tropical rainforest. Forest Science and Technology 15: 206–215. https://doi: 10.1080/21580103.2020.1831620.