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Journal articles on the topic 'Rain forests – Borneo'

Author: Grafiati

Published: 26 July 2024

Last updated: 31 July 2025

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1

Bodmer, Richard E., Robert J. Mather, and David J. Chivers. "Rain forests of central Borneo—threatened by modern development." Oryx 25, no. 1 (1991): 21–26. http://dx.doi.org/10.1017/s0030605300034025.

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Rain forests in Central Kalimantan, Borneo, are under increasing pressure from commercial industry, agricultural projects and transmigration programmes. Our knowledge of the hill forests in central Borneo is virtually non-existent, yet they may disappear before we realize their true value as intact forests. These rapid developments prompted the FFPS to launch the Red Alert Project, which, together with Project Barito Ulu, is investigating ways to promote rain-forest conservation in Kalimantan, Indonesia.

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2

BRÜHL, CARSTEN A., GUNIK GUNSALAM, and K. EDUARD LINSENMAIR. "Stratification of ants (Hymenoptera, Formicidae) in a primary rain forest in Sabah, Borneo." Journal of Tropical Ecology 14, no. 3 (1998): 285–97. http://dx.doi.org/10.1017/s0266467498000224.

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The ant fauna of a rain forest in Sabah, Malaysia was sampled by using different collecting methods in three strata. In total, 524 morphospecies of ants could be distinguished. They belong to seven subfamilies and 73 genera. So far, the ant community described is the most species rich published for a primary tropical rain forest. Regarding the stratification in the forest, the leaf litter community comprised as many ant species as the lower vegetation or canopy. Furthermore the litter stratum had the highest generic diversity. The stratification of ants in rain forests seems to be a very stric

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3

Te Wong, Siew, Christopher Servheen, Laurentius Ambu, and Ahmad Norhayati. "Impacts of fruit production cycles on Malayan sun bears and bearded pigs in lowland tropical forest of Sabah, Malaysian Borneo." Journal of Tropical Ecology 21, no. 6 (2005): 627–39. http://dx.doi.org/10.1017/s0266467405002622.

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We observed a period of famine in the lowland tropical rain forest of Sabah, Malaysia from August 1999 to September 2000. All six Malayan sun bears (Helarctos malayanus) that were captured and radio-collared were in poor physical condition, and two were later found dead. The physical condition of bearded pigs (Sus barbatus) that were captured, observed or photographed by camera traps also revealed that the pigs were in various stages of emaciation and starvation. We surmise that the famine resulted from prolonged scarcity of fruit during an intermast interval in the study area. These phenomena

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4

Delissio, Lisa J., Richard B. Primack, Pamela Hall, and H. S. Lee. "A decade of canopy-tree seedling survival and growth in two Bornean rain forests: persistence and recovery from suppression." Journal of Tropical Ecology 18, no. 5 (2002): 645–58. http://dx.doi.org/10.1017/s0266467402002420.

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The population dynamics of 8500 shade-tolerant tree seedlings of 13 tree species were followed for 10 years at rain forests in Lambir Hills National Park and Bako National Park, Malaysian Borneo. Since these dipterocarp forests have lower rates of canopy gap formation than do rain forests elsewhere, tree seedling biology was predicted to differ. Approximately 50% of seedlings present in 1986 were still alive in 1996. Seven out of thirteen had seedling populations composed predominantly of individuals that were at least 10 years old. These seedlings can undergo alternating periods of relatively

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5

Jaafar, Salwana Md, Rahayu Sukmaria Sukri, Faizah Metali, and David F. R. P. Burslem. "Litterfall Production and Litter Decomposition Experiments: In Situ Datasets of Nutrient Fluxes in Two Bornean Lowland Rain Forests Associated with Acacia Invasion." Data 8, no. 2 (2023): 30. http://dx.doi.org/10.3390/data8020030.

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It is increasingly recognized that invasion by alien plant species such as Acacia spp. can impact tropical forest ecosystems, although quantifications of nutrient fluxes for invaded lowland tropical rain forests in aseasonal climates remain understudied. This paper describes the methodology and presents data collected during a year-long study of litterfall production and leaf litter decomposition rates in two distinct tropical lowland forests in Borneo affected by Acacia invasion. The study is the first to present a comprehensive dataset on the impacts of invasive Acacia species on Bornean for

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Iwata, Tomoya, Mikio Inoue, Shigeru Nakano, Hitoshi Miyasaka, Atsushi Doi, and Alan P. Covich. "Shrimp abundance and habitat relationships in tropical rain-forest streams, Sarawak, Borneo." Journal of Tropical Ecology 19, no. 4 (2003): 387–95. http://dx.doi.org/10.1017/s0266467403003432.

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Microhabitat use and habitat-abundance relationships of four freshwater shrimps, Atyopsis moluccensis, Macrobrachium pilimanus, Macrobrachium trompii and Macrobrachium neglectum, were surveyed in tropical streams running through primary and secondary forests in Borneo, East Malaysia. Underwater observations revealed that A. moluccensis preferred relatively high water velocity and a boulder substrate. Macrobrachium pilimanus also preferred high water velocity and a cobble substrate, whereas M. trompii occupied stream margins with slow current and fine substrates (from POM (particulate organic m

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7

Aiba, Shin-Ichiro, and Kanehiro Kitayama. "Effects of the 1997–98 El Niño drought on rain forests of Mount Kinabalu, Borneo." Journal of Tropical Ecology 18, no. 2 (2002): 215–30. http://dx.doi.org/10.1017/s0266467402002146.

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We examined the effects of the 1997–98 El Niño drought on nine rain forests of Mount Kinabalu, Borneo, at four altitudes (700, 1700, 2700 and 3100 m) on contrasting geological substrata (ultrabasic versus non-ultrabasic). Measurements of rainfall and atmospheric aridity indicated that the departure from normal conditions during the drought became greater with increasing altitude. During 1997–99 (drought period) compared to 1995–97 (pre-drought period), median growth rates of stem diameter of trees decreased for both smaller (4.8–10 cm) and larger (≥ 10 cm) diameter classes in the six upland fo

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Bebber, Dan, Nick Brown, and Martin Speight. "Drought and root herbivory in understorey Parashorea Kurz (Dipterocarpaceae) seedlings in Borneo." Journal of Tropical Ecology 18, no. 5 (2002): 795–804. http://dx.doi.org/10.1017/s0266467402002511.

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The influence of herbivory on dipterocarp seedling growth and survival in Bornean primary lowland forest understorey during and after the 1997–8 El Niño-Southern Oscillation was investigated. During the drought, a coleopteran (Scolytidae) root borer attacked dipterocarp seedlings, primarily of the genus Parashorea. Infestation was spatially heterogeneous on a large (c. 100 m) scale. Attack rate decreased with plant vigour within infested areas. Experiments showed that root damage was fatal under drought conditions, but not after rain. Defoliation and apical meristem removal did not increase mo

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Wells, Konstans, Lesley R. Smales, Elisabeth K. V. Kalko, and Martin Pfeiffer. "Impact of rain-forest logging on helminth assemblages in small mammals (Muridae, Tupaiidae) from Borneo." Journal of Tropical Ecology 23, no. 1 (2007): 35–43. http://dx.doi.org/10.1017/s0266467406003804.

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Parasites are ubiquitous in wild animals, with host-specific life histories considered as major determinants of prevalence and parasite assemblage patterns. It is predicted that habitat differences in logged rain forests influence population performances of small mammals and consequently may change the infection patterns of local animal populations with regard to endo- and ectoparasites. We investigated patterns of helminth species assemblages (Nematoda, Platyhelminthes) in two rat species (Leopoldamys sabanus, Niviventer cremoriventer) and two tree shrew species (Tupaia tana, T. longipes) in

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10

Siregar, Chairani. "Exploration and Inventory of Native Orchid Germplasm in West Borneo, Indonesia." HortScience 43, no. 2 (2008): 554–57. http://dx.doi.org/10.21273/hortsci.43.2.554.

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Borneo (Kalimantan) is the third largest island in the world. It is rich with various indigenous orchid species that grow epiphytically, terrestrially, or saprophytically in the forests. Its rain forests are also home to some rare species such as some Aërides sp., Bulbophyllum sp., Cymbidium sp., Dendrobium sp., Dimorphorchis sp., Grammatophyllum sp., Paphiopedilum sp., Phalaenopsis sp., Paraphalaenopsis sp., and Vanda sp., all of which have a very high economic value. These species are endangered and some of them may have not yet been found or discovered, because of the loss of habitat result

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Yusah, Kalsum M., William A. Foster, Glen Reynolds, and Tom M. Fayle. "Ant mosaics in Bornean primary rain forest high canopy depend on spatial scale, time of day, and sampling method." PeerJ 6 (January 30, 2018): e4231. http://dx.doi.org/10.7717/peerj.4231.

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Background Competitive interactions in biological communities can be thought of as giving rise to “assembly rules” that dictate the species that are able to co-exist. Ant communities in tropical canopies often display a particular pattern, an “ant mosaic”, in which competition between dominant ant species results in a patchwork of mutually exclusive territories. Although ant mosaics have been well-documented in plantation landscapes, their presence in pristine tropical forests remained contentious until recently. Here we assess presence of ant mosaics in a hitherto under-investigated forest st

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Srivastava, R., and Norico Kagemori. "Fossil wood of Dryobalanops from Pliocene deposits of Indonesia." Journal of Palaeosciences 50, no. (1-3) (2001): 395–401. http://dx.doi.org/10.54991/jop.2001.1835.

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The present paper gives a detailed account of anatomical features of petrified wood showing affinities with the modern genus Dryobalanops Gaertn.f. of the family Dipterocarpaceae. The fossil wood was found as a big tree trunk in volcanic sediments near Bogor, West Java (Indonesia). The distribution of extant Dryobalanops is restricted to tropical evergreen rain forests of Malaysia and Indonesia (Sumatra & Borneo). Today it is absent in the natural forests of Java, although the broad climatic setting has not changed much since Pliocene times. Reasons for its absence in the island are discus

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Hroneš, Michal, Martin Rejžek, Michal Sochor, et al. "Two new species of Thismia subsect. Odoardoa (Thismiaceae) from Borneo." Plant Ecology and Evolution 151, no. (1) (2018): 110–18. https://doi.org/10.5091/plecevo.2018.1387.

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<b>Background</b> – Two new species of the sect. <em>Thismia</em> subsect. <em>Odoardoa</em>, <em>Thismia cornuta</em> Hroneš, Sochor & Dančák and <em>Thismia pallida</em> Hroneš, Dančák & Rejžek, from Malaysian Borneo are described and illustrated. The former species is distributed in the Bario area of the Kelabit Highlands of Sarawak, and the latter occurs in the SAFE (Stability of Altered Forest Ecosystem) Project area, northwest of Tawau in Sabah.<b>Methods</b> – This study is based on field observations in several forest localities in Sarawak and Sabah and herbarium material depos

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“Jack” Putz, F. E. "Science-to-conservation disconnections in Borneo and British Columbia." Forestry Chronicle 96, no. 01 (2020): 20–26. http://dx.doi.org/10.5558/tfc2020-004.

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Borneo differs fundamentally from Canada, but reflections on the struggles to improve the fates of its tropical rain forests may resonate with people engaged in the same struggles on the other side of the Pacific. I frame these reflections around the question of why my efforts as a researcher in Borneo failed to cause a change from predatory logging of old growth to conservation through improved forest management. Perhaps my most fundamental mistake was unwillingness to recognize the immense profitability of forest liquidation through multiple-premature re-entry logging, especially when follow

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15

Oshima, Chiaki, Yuji Tokumoto, and Michiko Nakagawa. "Biotic and abiotic drivers of dipterocarp seedling survival following mast fruiting in Malaysian Borneo." Journal of Tropical Ecology 31, no. 2 (2014): 129–37. http://dx.doi.org/10.1017/s026646741400073x.

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Abstract:South-East Asian tropical rain forests experience sporadic, but profuse, seed production after general flowering, leading to the synchronous emergence of various seedlings and subsequent seedling dynamics, which play a crucial role in determining species distribution and coexistence. We examined the relative importance of both biotic (initial height, conspecific seedling density) and abiotic (canopy openness, per cent sand, soil water content) drivers using survival data for 1842 seedlings of 12 dipterocarp species for 1.5 y following mast fruiting in an old-growth Bornean tropical ra

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Yeong, Kok Loong, Glen Reynolds, and Jane K. Hill. "Leaf litter decomposition rates in degraded and fragmented tropical rain forests of Borneo." Biotropica 48, no. 4 (2016): 443–52. http://dx.doi.org/10.1111/btp.12319.

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Almeida, Maria, Supriatno Salam, Agung Rahmadani, et al. "The Potency of the Genus Uncaria from East Borneo for Herbal Medicine Purposes: A Mini-review." Journal of Tropical Pharmacy and Chemistry 6, no. 2 (2022): 167–76. http://dx.doi.org/10.25026/jtpc.v6i2.457.

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Uncaria is a genus of plants that are widely distributed in the tropics. There are about 5 of the 38 species of this genus growing in the tropical rain forests of East Borneo, Indonesia. For a long time, Uncaria is commonly used as a traditional medicine to treat various diseases by the Dayak tribe in Kalimantan, traditional people believe that Uncaria may be cured cancer, tumors, mioms, and cycts. Based on previous studies, the activity of the genus Uncaria has been widely reported such as cytotoxic, antimicrobial, antioxidant, antidiabetic, and thrombolytic activities. This article aims to s

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Harrison, Rhett D., and Jean-Yves Rasplus. "Dispersal of fig pollinators in Asian tropical rain forests." Journal of Tropical Ecology 22, no. 6 (2006): 631–39. http://dx.doi.org/10.1017/s0266467406003488.

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Fig pollinators (Agaonidae, Chalcioidea) lay their eggs in fig inflorescences (Ficus, Moraceae). Reproductive success for both partners is thus largely dependent on the dispersal of these tiny wasps. Some are known to cover substantial distances (> 10 km) using wind above the canopy. However, fig ecology is extremely varied, and hence one might also expect a diversity of pollinator dispersal strategies. We studied fig pollinator dispersal in Sarawak (2001 and 2004) and Peninsular Malaysia (2003). The results indicate substantial differences in dispersal ecology between the pollinators of mo

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Russo, Sabrina E., Lin Zhang, and Sylvester Tan. "Covariation between understorey light environments and soil resources in Bornean mixed dipterocarp rain forest." Journal of Tropical Ecology 28, no. 1 (2011): 33–44. http://dx.doi.org/10.1017/s0266467411000538.

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Abstract:Variation in understorey irradiance is both a cause and consequence of the structure and dynamics of closed-canopy forests, which are also influenced by soil nutrients and water availability. We tested the hypothesis that understorey light regimes differ among four mixed dipterocarp forest types that share the same rainfall, but grow on different soils along an edaphic gradient at one site in Borneo. Based on data from photosynthetically active radiation sensors deployed at 1-m height at 36 locations for 351 sensor-days, we found significant soil-related variation in irradiance. The m

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Köhler, Peter, Thomas Ditzer, and Andreas Huth. "Concepts for the aggregation of tropical tree species into functional types and the application to Sabah's lowland rain forests." Journal of Tropical Ecology 16, no. 4 (2000): 591–602. http://dx.doi.org/10.1017/s0266467400001590.

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For analysing field data as well as for modelling purposes it is useful to classify tree species into a few functional types. In this paper a new aggregation of tree species of the dipterocarp rain forests in Sabah (Borneo), Malaysia, is developed. The aggregation is based on the two criteria successional status and potential maximum height. Three classes of successional status (early, mid and late successional species) and five classes of potential maximum heights (≥ 5 m, 5–15, 15–25, 25–36, > 36 m) lead to a combination of 15 functional types. The criteria of the developed classification

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Davies, Stuart J., and Hardy Semui. "Competitive dominance in a secondary successional rain-forest community in Borneo." Journal of Tropical Ecology 22, no. 1 (2005): 53–64. http://dx.doi.org/10.1017/s0266467405002944.

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Competitive interactions among pioneer species may have a significant impact on the course of secondary succession in tropical rain forests. We predicted that the outcome of competitive interactions in early succession would vary with soil nutrient availability. To test this hypothesis we grew seven pioneer tree species alone and in dense competitive mixtures, with four nutrient treatments: no nutrient addition, and N, P, and N plus P addition. Performance of plants grown alone and in mixtures was strongly nutrient limited. However, contrary to expectation, the competitive hierarchy among the

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Potts, Matthew D., Peter S. Ashton, Les S. Kaufman, and Joshua B. Plotkin. "HABITAT PATTERNS IN TROPICAL RAIN FORESTS: A COMPARISON OF 105 PLOTS IN NORTHWEST BORNEO." Ecology 83, no. 10 (2002): 2782–97. http://dx.doi.org/10.1890/0012-9658(2002)083[2782:hpitrf]2.0.co;2.

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Kaul, Robert B., Ernst C. Abbe, and Lucy B. Abbe. "Reproductive Phenology of the Oak Family (Fagaceae) in the Lowland Rain Forests of Borneo." Biotropica 18, no. 1 (1986): 51. http://dx.doi.org/10.2307/2388362.

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PROCTOR, J., F. Q. BREARLEY, H. DUNLOP, K. PROCTOR, SUPRAMONO, and D. TAYLOR. "Local wind damage in Barito Ulu, Central Kalimantan: a rare but essential event in a lowland dipterocarp forest?" Journal of Tropical Ecology 17, no. 3 (2001): 473–75. http://dx.doi.org/10.1017/s026646740100133x.

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The importance of disturbances for the dynamics of tropical forests has been described by Whitmore & Burslem (1998). Among the phenomena which they classify as large scale disturbances are those caused by wind. The most extensive of these occur within the hurricane (cyclone) belt (10-20° from the equator) but outside this belt large blowdowns of trees are known to occur, perhaps most spectacularly in the Brazilian Amazon (Nelson et al. 1994). There is evidence that rare wind storms influence the dipterocarp rain forests of Peninsular Malaysia, 2-6°N. One famous storm in November 1880 which

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Kanamori, Hironari, Tomo’omi Kumagai, Hatsuki Fujinami, Tetsuya Hiyama, and Tetsuzo Yasunari. "Effects of Long- and Short-Term Atmospheric Water Cycles on the Water Balance over the Maritime Continent." Journal of Hydrometeorology 19, no. 9 (2018): 1413–27. http://dx.doi.org/10.1175/jhm-d-18-0052.1.

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Abstract This study investigated atmospheric water cycles over several time scales to understand the maintenance processes that control heavy precipitation over the islands of the Maritime Continent. Large island regions can be divided into land, coastal, and ocean areas based on the characteristics of both the hydrologic cycle and the diurnal variation in precipitation. Within the Maritime Continent, the major islands of Borneo and New Guinea exhibit different hydrologic cycles. Large-scale circulation variations, such as the seasonal cycle and the Madden–Julian oscillation, have a lesser eff

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Sprick, Peter, and Andreas Floren. "Diversity of Curculionoidea in Humid Rain Forest Canopies of Borneo: A Taxonomic Blank Spot." Diversity 10, no. 4 (2018): 116. http://dx.doi.org/10.3390/d10040116.

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From 1992 to 2009, 334 trees were sampled by insecticidal knockdown on Borneo, Malaysia. Here, we describe the taxonomic composition of the 9671 specimens and 1589 species Curculionoidea collected (with additional notes on Cerambycidae). We found a largely unknown fauna with an assumed proportion of over 80% of species new to science, including all 33 Apionidae and 26 Ceutorhynchinae species. Specialists could usually identify only a few specimens leaving the remaining beetles for further investigation. The samples contain numerous genera, two tribes (Egriini, Viticiini), one subfamily (Mesopt

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Tsujii, Yuki, and Kanehiro Kitayama. "Relationships of phosphorus concentration in reproductive organs with soil phosphorus availability for tropical rain-forest trees on Mount Kinabalu, Borneo." Journal of Tropical Ecology 34, no. 6 (2018): 351–63. http://dx.doi.org/10.1017/s0266467418000329.

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Abstract:Bornean rain forests on phosphorus (P)-poor soils exhibit a high P-use efficiency in the production of reproductive organs (i.e. the inverse of P concentration in reproductive-organ litter). The mechanism underpinning this high P-use efficiency is not known, but is hypothesized to result from dilution of P in a given type of reproductive organ and/or a shift of the community composition of flower/fruit types with decreasing P availability. These hypotheses were tested using eight forests with different soil P availabilities on Mount Kinabalu, Borneo. Mean P concentration per forest by

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Mezger, Dirk, and Martin Pfeiffer. "Is nest temperature an important factor for niche partitioning by leaf-litter ants (Hymenoptera: Formicidae) in Bornean rain forests?" Journal of Tropical Ecology 26, no. 4 (2010): 445–55. http://dx.doi.org/10.1017/s0266467410000209.

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Abstract:We tested the hypothesis that species of a diverse leaf-litter ant community are separated by the temperature preferences of their broods along a thermal gradient. Therefore, temperature preferences of brood-tending workers from 41 ant species co-occurring in four types (alluvial, limestone, kerangas and dipterocarp forest) of primary rain forest in Sarawak, Malaysia were measured in an experimental set-up. Preferred temperatures of species ranged from 16.0 °C to 31.7 °C, with the median at 25.8 °C. The ten commonest species (n ≥ 4) showed significantly different temperature preferenc

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BECK, JAN, CHRISTIAN H. SCHULZE, K. EDUARD LINSENMAIR, and KONRAD FIEDLER. "From forest to farmland: diversity of geometrid moths along two habitat gradients on Borneo." Journal of Tropical Ecology 18, no. 1 (2002): 33–51. http://dx.doi.org/10.1017/s026646740200202x.

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Geometrid moths were collected on Mt. Kinabalu (Sabah, Malaysia) along two habitat gradients, ranging from primary rain forest to cultivated areas. During 135 nights' trapping in 1997, 4585 individuals representing 500 species were attracted by light. Primary forest samples and those from old-grown regenerated forest exhibited high diversity (Fisher's α = 75–128), while agricultural areas as well as most secondary forests had a significantly lower diversity (α = 34–61). One 15-y-old secondary forest with a rich undergrowth vegetation also housed a diverse geometrid community (α = 89). In three

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Pryke, James S., Sven M. Vrdoljak, Paul B. C. Grant, and Michael J. Samways. "Butterfly behavioural responses to natural Bornean tropical rain-forest canopy gaps." Journal of Tropical Ecology 28, no. 1 (2011): 45–54. http://dx.doi.org/10.1017/s0266467411000502.

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Abstract:Natural tree canopy gaps allow sunlight to penetrate to the forest floor, a major environmental component and resource for many tropical rain-forest species. We compare here how butterflies use sunny areas created by the natural gaps in canopies in comparison with adjacent closed-canopy areas. We chose butterflies as our focal organisms as they are taxonomically tractable and mobile, yet habitat sensitive. Previous studies have shown that butterfly diversity in tropical forests responds to varying degrees of canopy openness. Here we assess butterfly behavioural responses to gaps and e

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Suzuki, Shizuo, Kanehiro Kitayama, Shin-ichiro Aiba, Masaaki Takyu, and Kihachiro Kikuzawa. "Annual leaf loss caused by folivorous insects in tropical rain forests on Mt. Kinabalu, Borneo." Journal of Forest Research 18, no. 4 (2013): 353–60. http://dx.doi.org/10.1007/s10310-012-0356-z.

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Brosius, J. Peter. "Foraging in tropical rain forests: The case of the penan of Sarawak, East Malaysia (Borneo)." Human Ecology 19, no. 2 (1991): 123–50. http://dx.doi.org/10.1007/bf00888743.

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McConkey, Kim R. "Primary seed shadow generated by gibbons in the rain forests of Barito Ulu, central Borneo." American Journal of Primatology 52, no. 1 (2000): 13–29. http://dx.doi.org/10.1002/1098-2345(200009)52:1<13::aid-ajp2>3.0.co;2-y.

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Pfeiffer, Martin, Jamili Nais, and K. Eduard Linsenmair. "Myrmecochory in the Zingiberaceae: seed removal of Globba franciscii and G. propinqua by ants (Hymenoptera – Formicidae) in rain forests on Borneo." Journal of Tropical Ecology 20, no. 6 (2004): 705–8. http://dx.doi.org/10.1017/s0266467404001695.

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The Old-World tropics encompass one of the floristically richest zones of the world and some of the hot spots of ant diversity. This results in a large variety of ecological interactions between both groups. One of them is the phenomenon of myrmecochory, seed dispersal by ants, which is also well known from temperate forests (Gorb & Gorb 2003, Ulbrich 1919), and which is most prominent in sclerophyll shrublands of Australia and southern Africa (Andersen 1988). Beattie (1983), who reviewed the distribution of ant-dispersed plants (at least 80 plant families worldwide) proposed that species

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Kurokawa, Hiroko, Toshiya Yoshida, Toshio Nakamura, Julaihi Lai, and Tohru Nakashizuka. "The age of tropical rain-forest canopy species, Borneo ironwood (Eusideroxylon zwageri), determined by 14C dating." Journal of Tropical Ecology 19, no. 1 (2003): 1–7. http://dx.doi.org/10.1017/s0266467403003018.

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Using 14C dating, the life span and growth rate of Borneo ironwood (Eusideroxylon zwageri, Lauraceae), which is a canopy tree species with extremely durable and decay-resistant wood distributed in tropical rain forests of South-East Asia, were studied. Timber segments collected from 15 logged stumps in Kubah National Park, Sarawak, Malaysia, were analysed by accelerator mass spectrometry and the obtained data were calibrated to determine the age of individuals. The 14C dating turned out to be an effective method for estimating ages of long-lived trees, such as E. zwageri, in the aseasonal trop

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Hamer, K. C., J. K. Hill, N. Mustaffa, et al. "Temporal variation in abundance and diversity of butterflies in Bornean rain forests: opposite impacts of logging recorded in different seasons." Journal of Tropical Ecology 21, no. 4 (2005): 417–25. http://dx.doi.org/10.1017/s0266467405002361.

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We used traps baited with fruit to examine how the temporal variation of butterflies within primary forest in Sabah, Borneo differed between species. In addition, we compared patterns of temporal variation in primary and selectively logged forest, and we tested the hypothesis that selective logging has different recorded impacts on species diversity of adults during the wet monsoon period and the drier remaining half of the year. Species of Satyrinae and Morphinae had significantly less-restricted flight periods than did species of Nymphalinae and Charaxinae, which were sampled mainly during t

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Choy, Yee Keong. "Land Ethics from the Borneo Tropical Rain Forests in Sarawak, Malaysia: An Empirical and Conceptual Analysis." Environmental Ethics 36, no. 4 (2014): 421–41. http://dx.doi.org/10.5840/enviroethics201436446.

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WELLS, KONSTANS, MARTIN PFEIFFER, MAKLARIN B. LAKIM, and ELISABETH K. V. KALKO. "Movement trajectories and habitat partitioning of small mammals in logged and unlogged rain forests on Borneo." Journal of Animal Ecology 75, no. 5 (2006): 1212–23. http://dx.doi.org/10.1111/j.1365-2656.2006.01144.x.

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Kenzo, Tanaka, Ryo Furutani, Daisuke Hattori, et al. "Aboveground and belowground biomass in logged-over tropical rain forests under different soil conditions in Borneo." Journal of Forest Research 20, no. 1 (2015): 197–205. http://dx.doi.org/10.1007/s10310-014-0465-y.

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Aiba, Shin-ichiro, Yoshimi Sawada, Masaaki Takyu, Tatsuyuki Seino, Kanehiro Kitayama, and Rimi Repin. "Structure, floristics and diversity of tropical montane rain forests over ultramafic soils on Mount Kinabalu (Borneo) compared with those on non-ultramafic soils." Australian Journal of Botany 63, no. 4 (2015): 191. http://dx.doi.org/10.1071/bt14238.

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We describe here the structure, floristics and diversity of tropical montane rain forests over ultramafic soils on Mount Kinabalu, Borneo, and compared them with those on non-ultramafic soils. We used 14 sample plots from 1580 to 3080 m elevation, six on ultramafic soils and eight on non-ultramafic soils, and identified all trees ≥4.8 cm diameter. The plot area ranged from 0.1 to 1 ha, the majority (nine plots) being 0.25 ha. Forests on ultramafic soils showed more stunted structure, especially at higher altitudes, than those on non-ultramafic soils and on ridges than on slopes. Species of Con

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Jaafar, Salwana Md, Faizah Metali, Siti Nisa Syahzanani Nafiah, et al. "Differential Impacts of Acacia Invasion on Nutrient Fluxes in Two Distinct Bornean Lowland Tropical Rain Forests." Forests 13, no. 12 (2022): 2101. http://dx.doi.org/10.3390/f13122101.

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Invasive Acacia species can alter nutrient cycling processes in forest ecosystems, particularly affecting total litterfall production and litter decomposition patterns. This study examined the effects of exotic Acacia mangium Willd. on total litterfall production, nutrient concentrations in leaf litterfall fractions, leaf litter decomposition, and nutrient release in lowland heath (HF) and mixed dipterocarp forests (MDF) in Brunei Darussalam, Borneo. Above-ground litterfall traps were installed in HF and MDF with and without invasive Acacia present, representing four habitat types in total, an

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Köhler, P., and A. Huth. "Towards ground-truthing of spaceborne estimates of above-ground biomass and leaf area index in tropical rain forests." Biogeosciences Discussions 7, no. 3 (2010): 3227–55. http://dx.doi.org/10.5194/bgd-7-3227-2010.

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Abstract. The canopy height of forests is a key variable which can be obtained using air- or spaceborne remote sensing techniques such as radar interferometry or lidar. If new allometric relationships between canopy height and the biomass stored in the vegetation can be established this would offer the possibility for a global monitoring of the above-ground carbon content on land. In the absence of adequate field data we use simulation results of a tropical rain forest growth model to propose what degree of information might be generated from canopy height and thus to enable ground-truthing of

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Kappes, Heike. "Genetics and morphology of the genus Tritetrabdella (Hirudinea, Haemadipsidae) from the mountainous rain forests of Sabah, Borneo, reveal a new species with two new subspecies." Contributions to Zoology 82, no. 4 (2013): 185–97. http://dx.doi.org/10.1163/18759866-08204003.

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Blood-feeding terrestrial leeches of the family Haemadipsidae are a notorious part of the invertebrate diversity in Asian and Australian rain forests. All hitherto published records of terrestrial leeches of Borneo belong to the genus Haemadipsa. Here, a second, poorly known haemadipsid genus is reported from Mount Kinabalu and Crocker Range National Park. The individuals were barcoded and compared to sequences available in GenBank. The results show that the genus Tritetrabdella has representatives in the Indochinese and the Sundaic bioregions. All six specimens from Borneo are from a single n

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Köhler, P., and A. Huth. "Towards ground-truthing of spaceborne estimates of above-ground life biomass and leaf area index in tropical rain forests." Biogeosciences 7, no. 8 (2010): 2531–43. http://dx.doi.org/10.5194/bg-7-2531-2010.

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Abstract. The canopy height h of forests is a key variable which can be obtained using air- or spaceborne remote sensing techniques such as radar interferometry or LIDAR. If new allometric relationships between canopy height and the biomass stored in the vegetation can be established this would offer the possibility for a global monitoring of the above-ground carbon content on land. In the absence of adequate field data we use simulation results of a tropical rain forest growth model to propose what degree of information might be generated from canopy height and thus to enable ground-truthing

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Gale, Neil. "The aftermath of tree death: coarse woody debris and the topography in four tropical rain forests." Canadian Journal of Forest Research 30, no. 9 (2000): 1489–93. http://dx.doi.org/10.1139/x00-071.

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The relationship of coarse woody debris (CWD) was examined with respect to topography and site in four lowland tropical rain forests in northern Borneo and western Ecuador. In total, 1914 dead trees [Formula: see text]20 cm diameter at breast height were enumerated in 46 ha. The basal area per hectare of dead trees varied strongly with both site and slope position. Dead basal area and its correlate dead tree density increased moving up the topographic gradient from the valleys to the ridges. Site estimates for CWD volume ranged from 96 to 154 m3·ha-1. Mean standing CWD volume was four times hi

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TSUKAYA, HIROKAZU, KENJI SUETSUGU, and MONICA SULEIMAN. "Thismia bryndonii (Thismiaceae), a new species from Maliau Basin, Sabah, Borneo." Phytotaxa 312, no. 1 (2017): 135. http://dx.doi.org/10.11646/phytotaxa.312.1.13.

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Thismia Griffith (1845: 341) in Thismiaceae or Burmanniaceae (sensu APG 2016) consists of more than 60 species (Ridley 1924, Jonker 1948, Stone 1980, van Steenis 1982; Merckx 2008). Many new species in this genus have been discovered, and 12 have been described after 2010 (e.g., Dančak et al. 2013, Nuraliev et al. 2014, 2015, Chantanaorrapint & Sridith 2015, Li & Bi 2013, Hroneš et al. 2015). Considering that the majority of these species were collected only once (Jonker 1948), it is likely that many more undescribed species remain hidden in the forests, particularly in the tropical ra

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Takahashi, Atsuhiro, Tomo’omi Kumagai, Hironari Kanamori, Hatsuki Fujinami, Tetsuya Hiyama, and Masayuki Hara. "Impact of Tropical Deforestation and Forest Degradation on Precipitation over Borneo Island." Journal of Hydrometeorology 18, no. 11 (2017): 2907–22. http://dx.doi.org/10.1175/jhm-d-17-0008.1.

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Abstract Southeast Asian tropical rain forests in the Maritime Continent are among the most important biomes in terms of global and regional water cycling. How land use and land cover change (LULCC) relating to deforestation and forest degradation alter the local hydroclimate over the island of Borneo is examined using the Weather Research and Forecasting (WRF) Model with an appropriate land surface model for describing the influence of changes in the vegetation status on the atmosphere. The model was validated against precipitation data from Tropical Rainfall Measuring Mission (TRMM) satellit

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Cleary, Daniel F. R., and Arne Ø. Mooers. "Butterfly species richness and community composition in forests affected by ENSO-induced burning and habitat isolation in Borneo." Journal of Tropical Ecology 20, no. 4 (2004): 359–67. http://dx.doi.org/10.1017/s0266467404001312.

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Landscape-scale studies of community traits such as species richness and community composition are sorely needed to explore the impact of large-scale disturbance events such as ENSO (El Niño Southern Oscillation)-induced burning and habitat isolation on rain-forest communities. Here we assess butterflies in continuous forest, in unburned isolates surrounded by burned forest and in burned forest, in addition to areas sampled before the most recent (1997/98) large-scale burn event in Borneo. Overall levels of species richness were significantly higher pre-ENSO and in continuous forest than in un

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Yokoyama, Daiki, Taiki Mori, Rota Wagai, Syuntaro Hiradate, and Kanehiro Kitayama. "Characteristics of phosphorus fractions in the soils derived from sedimentary and serpentinite rocks in lowland tropical rain forests, Borneo." Soil Science and Plant Nutrition 64, no. 2 (2017): 218–21. http://dx.doi.org/10.1080/00380768.2017.1421018.

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Pfeiffer, Martin, Jamili Nais, and K. Eduard Linsenmair. "Worker size and seed size selection in ‘seed’-collecting ant ensembles (Hymenoptera: Formicidae) in primary rain forests on Borneo." Journal of Tropical Ecology 22, no. 6 (2006): 685–93. http://dx.doi.org/10.1017/s0266467406003622.

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‘Size matching’ of forager size and prey size is an ecological mechanism that should partition diets both within ant colonies and ensembles. We studied the relationship between ant body size and food size in tropical leaf-litter ant ensembles at different levels. In three plots of primary rain forest in Sabah, Malaysia, we observed altogether 50 species of 18 genera of ants (e.g. Pheidole, Recurvidris, Lophomyrmex, Paratrechina, Odontoponera) that harvested seed particles from baits of milled rice of various particle size. At colony level ‘size matching’ of individual foragers with their load

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