Changing landscapes drive dietary diversification in Asian elephants

changing-landscapes-drive-dietary-diversification-in-asian-elephants
Changing landscapes drive dietary diversification in Asian elephants

References

  1. Karuppannan, K. et al. Sex ratio and age structure patterns of Asian elephants from Peninsular Malaysia revealed by non-invasive surveys. JAPS J. Anim. Plant. Sci. 30(6). (2020).

  2. Saaban, S. et al. Current status of Asian elephants in Peninsular Malaysia. Gajah 35 (1), 67–75 (2011).

    Google Scholar 

  3. IUCN. Elephas maximus. IUCN Red List. Threatened Species. 2024, eT7140A45818198. https://doi.org/10.2305/IUCN.UK.2020-3.RLTS.T7140A45818198.en

  4. PERHILITAN. Red List of Mammalsfor Peninsular Malaysia (Department of Wildlife and National Parks (PERHILITAN) Peninsular Malaysia, 2017).

  5. Mohd-Radzi, N. H. S. et al. Determining the diet of wild Asian elephants (Elephas maximus) at human–elephant conflict areas in Peninsular Malaysia using DNA metabarcoding. Biodivers. Data J. 10. (2022).

  6. Saaban, S. et al. Viability and management of the Asian elephant (Elephas maximus) population in the Endau Rompin landscape, Peninsular Malaysia. PeerJ. 8, e8209 (2020).

    Google Scholar 

  7. Abdullah-Fauzi, N. A. F. et al. Determining the dietary preferences of wild Asian elephants (Elephas maximus) in Taman Negara National Park, Malaysia based on sex and age using trnL DNA metabarcoding analysis. Zool. Stud. 61. (2022).

  8. Chen, J., Deng, X., Zhang, L., Bai, Z. & Wang, S. Diet composition and foraging ecology of Asian elephants in Xishuangbanna, China. Acta Ecol. Sin. 26, 309–316 (2006).

    Google Scholar 

  9. Koirala, R. K., Raubenheimer, D., Aryal, A., Pathak, M. L. & Ji, W. Feeding preferences of the Asian elephant (Elephas maximus) in Nepal. BMC Ecol. 16, 1–9 (2016).

    Google Scholar 

  10. Birnie-Gauvin, K., Peiman, K. S., Raubenheimer, D. & Cooke, S. J. Nutritional physiology and ecology of wildlife in a changing world. Conserv. Physiol. 5 (1), cox030. https://doi.org/10.1093/conphys/cox030 (2017).

    Google Scholar 

  11. Vancuylenberg, B. Feeding behaviour of the Asiatic elephant in south-east Sri Lanka in relation to conservation. Biol. Conserv. 12 (1), 33–54 (1977).

    Google Scholar 

  12. Rode, K. D., Chiyo, P. I., Chapman, C. A. & McDowell, L. R. Nutritional ecology of elephants in Kibale National Park, Uganda, and its relationship with crop-raiding behaviour. J. Trop. Ecol. 22 (4), 441–449 (2006).

    Google Scholar 

  13. Pyke, G. H. Optimal foraging theory: A critical review. Annu. Rev. Ecol. Syst. 15, 523–575 (1984).

    Google Scholar 

  14. Cao, Z. et al. Comparison and association of winter diets and gut microbiota using trnL and 16S rRNA gene sequencing for three herbivores in Taohongling, China. Glob. Ecol. Conserv. 53, e03041 (2024).

    Google Scholar 

  15. Ismail, N. A., Daud, U. N. S., Arazmi, N. F. N., Nor, S. M. & Mansor, M. S. Dietary shifts in Barn Swallow Hirundo rustica passage and wintering in Peninsular Malaysia: From the early to late migratory season. Eur. J. Wildl. Res. 71 (2), 1–12 (2025).

    Google Scholar 

  16. Wadey, J. et al. Why did the elephant cross the road? The complex response of wild elephants to a major road in Peninsular Malaysia. Biol. Conserv. 218, 91–98 (2018).

    Google Scholar 

  17. Ong, L. et al. A., Asian elephants as ecological filters in Sundaic forests. Front. Forests Glob. Change. 6, 1143633 (2023).

  18. Zafir, A. W. A. & Magintan, D. Historical review of human-elephant conflict in Peninsular Malaysia. J. Wildl. Parks. 31, 1–19 (2016).

    Google Scholar 

  19. Nor Hafisa, S. M. R. et al. Determining the diet of wild Asian elephants (Elephas maximus) at human–elephant conflict areas in Peninsular Malaysia using DNA metabarcoding. (2022).

  20. Yamamoto-Ebina, S., Saaban, S., Campos-Arceiz, A. & Takatsuki, S. Food habits of Asian elephants Elephas maximus in a rainforest of northern Peninsular Malaysia. Mamm. Study. 41(3), 155–161 (2016).

    Google Scholar 

  21. Bokulich, N. A. et al. q2-longitudinal: longitudinal and paired-sample analyses of microbiome data. MSystems. 3 (6), 00219 – 00218 (2018). https://doi.org/10.1128/msystems

  22. Han, E. K., Cho, W. B., Tamaki, I., Choi, I. S. & Lee, J. H. Comparative mitogenomic analysis reveals gene and intron dynamics in Rubiaceae and intra-specific diversification in damnacanthus indicus. Int. J. Mol. Sci. 22 (13), 7237 (2021).

    Google Scholar 

  23. Martin Říhová, J., Gupta, S., Nováková, E. & Hypša, V. Fur microbiome as a putative source of symbiotic bacteria in sucking lice. Sci. Rep. 14 (1), 22326 (2024).

    Google Scholar 

  24. Arazmi, F. N., Ismail, N. A., Daud, U. N. S. & Mansor, M. S. DNA metabarcoding unveils habitat-linked dietary variation in aerial insectivorous birds. Animals. 15 (7), 974 (2025).

    Google Scholar 

  25. Mansor, M. S., Halim, M. R. A., Abdullah, N. A. & Ramli, R. Barn Swallows Hirundo rustica in Peninsular Malaysia: urban winter roost counts after 50 years, and dietary segregation from house-farmed swiftlets Aerodramus sp. Raffles Bull. Zool. 68. (2020).

  26. Finnegan, A., Sao, S. S. & Huchko, M. J. Using a chord diagram to visualize dynamics in contraceptive use: bringing data into practice. Glob. Health Sci. Pract. 7 (4), 598–605 (2019).

    Google Scholar 

  27. Oksanen, J. vegan: Community Ecology Package. (2022). Available from: https://CRAN.R-project.org/package=vegan

  28. Jamaluddin, M. I. M. et al. Asian elephants involved in conflicts exhibit similar habitat use but travel farther than non-conflict individuals. Glob. Ecol. Conserv. 55, e03228 (2024).

    Google Scholar 

  29. Magioli, M. et al. P. M. d. B. Dietary expansion facilitates the persistence of a large frugivore in fragmented tropical forests. Anim. Conserv. 25(4), 582–593 (2022).

  30. English, M., Ancrenaz, M., Gillespie, G., Goossens, B. & Nathan, S. Linklater. Foraging site recursion by forest elephants Elephas maximus borneensis. Curr. Zool. 60 (4), 551–559 (2014).

    Google Scholar 

  31. Cabral de Mel, S. J. et al. Attitudes towards causes of and solutions to conflict between humans and Asian elephants. Conserv. Sci. Pract. 6 (11), e13238 (2024).

    Google Scholar 

  32. Evans, L. J., Goossens, B., Davies, A. B., Reynolds, G. & Asner, G. P. Natural and anthropogenic drivers of Bornean elephant movement strategies. Glob. Ecol. Conserv. 22, e00906 (2020).

    Google Scholar 

  33. Ortega, J. & Eggert, L. The Living Elephants: Evolutionary Ecology, Behavior, and Conservation, vol. 85 (Oxford University Press, 2004).

  34. Alfred, R. et al. Home range and ranging behaviour of Bornean elephant (Elephas maximus borneensis) females. PloS one. 7 (2), e31400 (2012).

    Google Scholar 

  35. Mohd Taher, T. et al. Characteristic of habitat suitability for the Asian elephant in the fragmented Ulu Jelai Forest Reserve, Peninsular Malaysia. Trop. Ecol. 62, 347–358 (2021).

    Google Scholar 

  36. Perhilitan. National report on wildlife and human-elephant conflicts (Department of Wildlife and National Parks Peninsular Malaysia, 2023).

  37. Chen, Y. et al. Predicting hotspots of human-elephant conflict to inform mitigation strategies in Xishuangbanna, Southwest China. PLoS One. 11 (9), e0162035 (2016).

    Google Scholar 

  38. Jamaluddin, M. I. M. et al. Ecological corridors enhance adaptation success of translocated conflict elephants: A case study of a sub-adult male in Hulu Terengganu, Peninsular Malaysia. Ecol. Solut. Evid. 6(3), e70049 (2025).

  39. Sukumar, R. The Living Elephants: Evolutionary Ecology, Behavior, and Conservation (Oxford University Press, 2003).

  40. Lim, T. & Campos-Arceiz, A. A review of human-elephant ecological relations in the Malay Peninsula: Adaptations for coexistence. Diversity 14 (1), 36 (2022).

    Google Scholar 

  41. Schwarz, C., Johncola, A. & Hammer, M. Foraging ecology of semi-free-roaming Asian Elephants in Northern Thailand. Gajah. 52 (2020).

  42. Campos-Arceiz, A. & Blake, S. Megagardeners of the forest – the role of elephants in seed dispersal. Acta Oecol. 37, 542–553 (2011).

    Google Scholar 

  43. Berita Harian. 313 gajah liar dipindahkan sejak 2021, Kelantan tertinggi 104. Berita Harian. (2025). https://www.bharian.com.my/berita/nasional/2025/11/1472089/313-gajah-liar-dipindahkan-sejak-2021-kelantan-tertinggi-104

  44. BERNAMA. Perhilitan Laksana Operasi Bersepadu Translokasi Gajah Besar-besaran. BERNAMA News Agency. (2025). https://www.bernama.com/bm/news.php?id=2445027

  45. Harian Metro, 265 gajah liar dipindahkan di tujuh negeri, Harian Metro, (2025).

  46. Graham, M. D., Douglas-Hamilton, I., Adams, W. M. & Lee, P. C. The movement of African elephants in a human‐dominated land‐use mosaic. Anim. Conserv. 12 (5), 445–455 (2009).

    Google Scholar 

  47. Ram, A.K., Yadav, H.K., & Rijal, A.P., Landscape predictors of human elephant conflicts in Chure Terai Madhesh Landscape of Nepal, Environmental Challenges, 7. https://doi.org/10.1016/j.envc.2022.100458 (2022).

  48. Beier, P. & Noss, R. F. Do habitat corridors provide connectivity? Conserv. Biol. 12, 1241–1252 (1998).

    Google Scholar 

  49. Haddad, N. M. et al. Habitat fragmentation and its lasting impact on Earth’s ecosystems. Science 348, 6230 (2015).

    Google Scholar 

  50. Robertson, B. A. & Hutto, R. L. A framework for understanding ecological traps and an evaluation of existing evidence. Ecology 87, 1075–1085 (2006).

    Google Scholar 

  51. Schlaepfer, M. A., Runge, M. C. & Sherman, P. W. Ecological and evolutionary traps. Trends Ecol. Evol. 17, 474–480 (2002).

    Google Scholar 

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