Author Tjoa, Aiyen
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2010 | Journal Article
Effects of an experimental drought on the functioning of a cacao agroforestry system, Sulawesi, Indonesia
Schwendenmann, L. ; Veldkamp, E. ; Moser, G. ; Hölscher, D. ; Köhler, M. ; Clough, Y. & Anas, I. et al. (2010)
Global Change Biology, 16(5) pp. 1515-1530. DOI: https://doi.org/10.1111/j.1365-2486.2009.02034.x
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2015 | Journal Article | Research Paper |
Soil fertility controls soil–atmosphere carbon dioxide and methane fluxes in a tropical landscape converted from lowland forest to rubber and oil palm plantations
Hassler, E. ; Corre, M. D. ; Tjoa, A.; Damris, M. ; Utami, S. R. & Veldkamp, E. (2015)
Biogeosciences, 12(19) pp. 5831-5852. DOI: https://doi.org/10.5194/bg-12-5831-2015
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2015 | Journal Article | Research Paper |
Soil Nitrogen-Cycling Responses to Conversion of Lowland Forests to Oil Palm and Rubber Plantations in Sumatra, Indonesia
Allen, K. ; Corre, M. D. ; Tjoa, A. & Veldkamp, E. (2015)
PLoS One, 10(7) art. e0133325. DOI: https://doi.org/10.1371/journal.pone.0133325
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2016 | Journal Article
How ants, birds and bats affect crop yield along shade gradients in tropical cacao agroforestry
Gras, P.; Tscharntke, T. ; Maas, B. ; Tjoa, A.; Hafsah, A. & Clough, Y. (2016)
Journal of Applied Ecology, 53(3) pp. 953-963. DOI: https://doi.org/10.1111/1365-2664.12625
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2016 | Journal Article | Research Paper |
Cacao Cultivation under Diverse Shade Tree Cover Allows High Carbon Storage and Sequestration without Yield Losses
Abou Rajab, Y. ; Leuschner, C. ; Barus, H.; Tjoa, A. & Hertel, D. (2016)
PLoS One, 11(2) art. e0149949. DOI: https://doi.org/10.1371/journal.pone.0149949
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2016 | Journal Article | Research Paper |
Land-use choices follow profitability at the expense of ecological functions in Indonesian smallholder landscapes
Clough, Y. ; Krishna, V. V. ; Corre, M. D. ; Darras, K. ; Denmead, L. H. ; Meijide, A. & Moser, S. et al. (2016)
Nature Communications, 7 art. 13137. DOI: https://doi.org/10.1038/ncomms13137
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2016 | Journal Article | Research Paper
Ecological and socio-economic functions across tropical land use systems after rainforest conversion
Drescher, J. ; Rembold, K. ; Allen, K. ; Beckschäfer, P. ; Buchori, D. ; Clough, Y. & Faust, H. et al. (2016)
Philosophical Transactions of the Royal Society B: Biological Sciences, 371(1694) art. 20150275. DOI: https://doi.org/10.1098/rstb.2015.0275
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2017 | Journal Article
Diversity, endemism, and composition of tropical mountain forest communities in Sulawesi, Indonesia, in relation to elevation and soil properties
Brambach, F. ; Leuschner, C. ; Tjoa, A. & Culmsee, H. (2017)
Perspectives in Plant Ecology, Evolution and Systematics, 27 pp. 68-79. DOI: https://doi.org/10.1016/j.ppees.2017.06.003
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2018 | Journal Article | Research Paper
Effects of shade tree cover and diversity on root system structure and dynamics in cacao agroforests: The role of root competition and space partitioning
Rajab, Y. A. ; Hölscher, D. ; Leuschner, C. ; Barus, H.; Tjoa, A. & Hertel, D. (2018)
Plant and Soil, 422(1-2) pp. 349-369. DOI: https://doi.org/10.1007/s11104-017-3456-x
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2018 | Monograph |
Effects of Ecosystem Services Provided by Birds and Bats in Smallholder Cacao Plantations of Central Sulawesi: Summary of research results, management recommendations and farmer workshops from cacao agroforestry landscapes in Indonesia
Maas, B. ; Tscharntke, T. ; Tjoa, A.; Saleh, S.; Edy, N.; Anshary, A.& Mahfudz, M. et al. (2018)
Göttingen: Universitätsverlag Göttingen. DOI: https://doi.org/10.17875/gup2018-1085
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2019 | Journal Article | Research Paper |
Reducing Fertilizer and Avoiding Herbicides in Oil Palm Plantations - Ecological and Economic Valuations
Darras, K. F. A. ; Corre, M. D. ; Formaglio, G.; Tjoa, A.; Potapov, A. ; Brambach, F. & Sibhatu, K. T. et al. (2019)
Frontiers in Forests and Global Change, 2. DOI: https://doi.org/10.3389/ffgc.2019.00065
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2020 | Journal Article | Research Paper
Herbicide weed control increases nutrient leaching compared to mechanical weeding in a large-scale oil palm plantation
Formaglio, G.; Veldkamp, E. ; Duan, X.; Tjoa, A. & Corre, M. D. (2020)
Biogeosciences, 17(21) pp. 5243-5262. DOI: https://doi.org/10.5194/bg-17-5243-2020
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2020 | Journal Article
Ecosystem-Based Tsunami Mitigation for Tropical Biodiversity Hotspots
Wanger, T. C. ; Ainun, N.; Brook, B. W.; Friess, D. A.; Oh, R. R.; Rusdin, A. & Smithers, S. et al. (2020)
Trends in Ecology & Evolution, 35(2) pp. 96-100. DOI: https://doi.org/10.1016/j.tree.2019.10.008
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2020 | Journal Article
Hand pollination, not pesticides or fertilizers, increases cocoa yields and farmer income
Toledo-Hernández, M. ; Tscharntke, T. ; Tjoa, A.; Anshary, A.; Cyio, B. & Wanger, T. C. (2020)
Agriculture, Ecosystems & Environment, 304 pp. 107160. DOI: https://doi.org/10.1016/j.agee.2020.107160
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2020 | Journal Article | Research Paper |
Transformation of Lowland Rainforest into Oil-palm Plantations and use of Fire alter Topsoil and Litter Silicon Pools and Fluxes
von der Lühe, B. ; Pauli, L.; Greenshields, B.; Hughes, H. J.; Tjoa, A. & Sauer, D. (2020)
Silicon, 13(12) pp. 4345-4353. DOI: https://doi.org/10.1007/s12633-020-00680-2
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2020 | Journal Article |
Predominant colonization of Malesian mountains by Australian tree lineages
Brambach, F. ; Leuschner, C.; Tjoa, A. & Culmsee, H. (2020)
Journal of Biogeography, 47(2) pp. 1-16. DOI: https://doi.org/10.1111/jbi.13747
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2020 | Journal Article | Research Paper |
Measured greenhouse gas budgets challenge emission savings from palm-oil biodiesel
Meijide Orive, A. ; de la Rua, C.; Guillaume, T. ; Röll, A. ; Hassler, E. ; Stiegler, C. & Tjoa, A. et al. (2020)
Nature Communications, 11(1). DOI: https://doi.org/10.1038/s41467-020-14852-6
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2020 | Journal Article | Research Paper |
Trade-offs between multifunctionality and profit in tropical smallholder landscapes
Grass, I. ; Kubitza, C.; Krishna, V. V. ; Corre, M. D. ; Mußhoff, O. ; Pütz, P. & Drescher, J. et al. (2020)
Nature Communications, 11(1) pp. 1186. DOI: https://doi.org/10.1038/s41467-020-15013-5
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2021 | Journal Article
Landscape and farm-level management for conservation of potential pollinators in Indonesian cocoa agroforests
Toledo-Hernández, M. ; Tscharntke, T. ; Tjoa, A.; Anshary, A.; Cyio, B. & Wanger, T. C. (2021)
Biological Conservation, 257 art. S0006320721001580. DOI: https://doi.org/10.1016/j.biocon.2021.109106
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2021 | Journal Article | Research Paper |
Mulching with pruned fronds promotes the internal soil N cycling and soil fertility in a large-scale oil palm plantation
Formaglio, G.; Veldkamp, E. ; Damris, M. ; Tjoa, A. & Corre, M. D. (2021)
Biogeochemistry, 154(1) pp. 63-80. DOI: https://doi.org/10.1007/s10533-021-00798-4
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