Author Tjoa, Aiyen

• 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 
  ​Details  DOI 

• 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 
  ​Details  DOI 

• 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 
  ​Details  DOI  PMID  PMC 

• 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 
  ​Details  DOI 

• 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 
  ​Details  DOI 

• 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 
  ​Details  DOI 

• 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 
  ​Details  DOI  PMID  PMC 

• 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 
  ​Details  DOI 

• 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 
  ​Details  DOI 

• 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 
  ​Details  DOI 

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