Spatial patterning of Gonystylus brunnescens in eastern Borneo

Authors

  • Francis Q. Brearley Department of Natural Sciences, Manchester Metropolitan University Author
  • Muhammad Mansur Research Center for Ecology and Ethnobiology, Indonesian National Research and Innovation Agency (BRIN), Cibinong Science Center Author
  • Markus P. Eichhorn School of Biological, Earth and Environmental Sciences, University College Cork; Environmental Research Institute, University College Cork Author

DOI:

https://doi.org/10.2478/foecol-2023-0004

Keywords:

Kalimantan, ramin, Ripley’s K, seed dispersal, spatial clustering, spatial statistics

Abstract

Determining the spatial patterning of tree species can provide inferences on underlying ecological processes. Gonystylus brunnescens is a South-east Asian subcanopy forest tree. To determine the spatial patterns of this species, we recorded the distribution of all individuals in a 0.4 ha sampling plot in eastern Borneo. We found that the pattern deviated from random and was well-described by the Matérn cluster model; clusters had a radius of approximately 4.2 m and contained an average of six seedlings each. This supports the hypothesis of animal-dispersed seeds and, due to a clear lack of association of juveniles with adults, may be due to scatter-hoarding of seeds by small mammal seed dispersers.

References

Airy Shaw, H.K., 1972. Thymelaeaceae. Gonystyloideae. In van Steenis, C.G.G.J. (ed.). Flora Malesiana Series 1, 6. Groningen, The Netherlands: Wolters-Noordhoff Publishing, p. 976–982

Baddeley, A., Rubak, E., Turner, R., 2015. Spatial point patterns: methodology and applications with R. London, UK: Chapman and Hall/CRC Press. 810 p.

Brearley. F.Q., Banin, L.F., Saner, P., 2016. The ecology of the Asian dipterocarps. Plant Ecology and Diversity, 9: 429–436. https://doi.org/10.1080/17550874.2017.1285363

Condit, R., Ashton, P.S., Baker, P.J., Bunyavejchewin, S., Gunatilleke, C.V.S., Gunatilleke, I.A.U.N., Hubbell, S.P., Foster, R.B., Itoh, A., LaFrankie, J.V., Lee, H.S., Losos, E., Manokaran, N., Sukumar, R., Yamakura, T., 2000. Spatial patterns in the distribution of tropical tree species. Science, 288: 1414–1418. https://doi.org/10.1126/science.288.5470.1414

Eichhorn, M.P., 2010. Pattern reveals process: spatial organisation of a Kamchatkan stone birch forest. Plant Ecology and Diversity, 3: 281–288. https://doi.org/10.1080/17550874.2010.528804

Getzin, S., Wiegand, T., Hubbell, S.P., 2014. Stochastically driven adult-recruit associations of tree species on Barro Colorado Island. Proceedings of the Royal Society B, 281: 20140922. https://doi.org/10.1098/rspb.2014.0922

Grippin, A., Nor Aini, A.S., Nor Akhirrudin, M.N., Hazandy, A.H., Kumar, M.S., Ismail, P., 2018. The prospects of micropropagating Gonystylus bancanus (Miq.) Kurz, a tropical peat swamp forest timber species through tissue culture technique – review. Journal of Forest Science, 64: 1–8. https://doi.org/10.17221/130/2017-JFS

Kevan, P.G., Gaskell, B.H., 1986. The awkward seeds of Gonystylus macrophyllus (Thymelaeaceae) and their dispersal by the bat Rousettus celebensis in Sulawesi, Indonesia. Biotropica, 3: 76–78.

Kohyama, Y., Suzuki, E., Hotta, M., 1994. Spatial distribution pattern of representative tree species in a foothill rain forest in West Sumatra. Tropics, 4: 1–15. https://doi.org/10.3759/tropics.4.1

Law, R., Illian, J., Burslem, D.F.R.P., Gratzer, G., Gunatilleke, C.V.S., Gunatilleke, I.A.U.N., 2009. Ecological information from spatial patterns of plants: insights from point process theory. Journal of Ecology, 97: 616–628. https://doi.org/10.1111/j.1365-2745.2009.01510.x

Mansur, M., Sidiyasa, K., Brearley, F.Q., Triono, T., in review. Diversity of ramin (Gonystylus spp. nonbancanus) in eastern Kalimantan, Indonesia. Annals of Forest Research.

Matérn, B., 1960. Spatial variation: stochastic models and their applications to problems in forest surveys and other sampling investigations. Meddelanden från Statens Skogs-Forskningsinstitut, 49. Stockholm: Esselte.144 p.

Nguyen, H.H., Uria-Diez, J., Wiegand, K., 2016. Spatial distribution and association patter ns in a tropical evergreen broad-leaved forest of nor th-central Vietnam. Journal of Vegetation Science, 27: 318–327. https://doi.org/10.1111/jvs.12361

Perry, G.L.W., Miller, B.P., Enright, N.J., 2006. A comparison of methods for the statistical analysis of spatial point patterns in plant ecology. Plant Ecology, 187: 59–82. https://doi.org/10.1007/s11258-006-9133-4

Ripley, B.D., 1977. Modelling spatial patterns. Journal of the Royal Statistical Society Series B, 39: 172–212. https://doi.org/10.1111/j.2517-6161.1977.tb01615.x

Seidler, T., Plotkin, J.B., 2006. Seed dispersal and spatial patterns in tropical trees. PLoS ONE, 2: e344. https://doi.org/10.1371/journal.pbio.0040344

Shamsudin, I., 1996. Gonystylus bancanus: some observations on its flowering, fruiting, seed predation and germination. Journal of Tropical Forest Science, 8: 424–426.

Sidiyasa, K., Mansur, M.,Triono, T., Rachman, I., 2010. Panduan Identifikasi Jenis-Jenis Ramin (Gonystylus spp.) di Indonesia [Guide to the identification of ramin species (Gonystylus spp.) in Indonesia]. Bogor, Indonesia: Forest and Nature Conservation Research and Development Centre, Ministry of Forestry. 46 p.

Simbolon, H., Siregar, M., Wakiyama, S., Sukigara, N., Abe, Y., Shimizu, H., 2005. Impact of forest fires on tree diversity in tropical rain forest of East Kalimantan, Indonesia. Phyton, 45: 551–559.

Siregar, M., 2017. Spatial distribution of abundant tree species at a mixed dipterocarps forest in Bukit Bangkirai, East Kalimantan, three years after long drought and forest fire. Prosiding Seminar Nasional Masyarakat Biodiversitas Indonesia, 3: 246–251. https://doi.org/10.13057/psnmbi/m030215

Szmyt, J., 2014. Spatial statistics in ecological analyses: from indices to functions. Silva Fennica, 48: 1008. https://doi.org/10.14214/sf.1008

Wiegand, T., Moloney, K.A., 2004. Rings, circles and null models for point pattern analysis in ecology. Oikos, 104: 209–229. https://doi.org/10.1111/j.0030-1299.2004.12497.x

Wiegand, T., Martínez, I., Huth, A., 2009. Recruitment in tropical tree species: revealing complex spatial patterns. American Naturalist, 174: E106–E140. https://doi.org/10.1086/605368

Yasuda, M., Miura, S., Hussein, N.A., 2000. Evidence for food hoarding behaviour in terrestrial rodents in Pasoh Forest Reserve. Journal of Tropical Forest Science, 12: 164–173.

Velázquez, E., Martínez, I., Getzin, S., Moloney, K.A., Wiegand, T., 2016. An evaluation of the state of spatial point pattern analysis in ecology. Ecography, 39: 1042–1055. https://doi.org/10.1111/ecog.01579

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Published

2023-01-27

Issue

Vol. 50 No. 1 (2023)

Section

Articles

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