International Symposium Socio-ecological transformations of tropical lowland rainforests CONFERENCE GUIDE Bali, October 7–11, 2018 rTS Bali, October 7 to 11, 2018 FFo EE Scope of the Symposium: Content Welcome to the International Symposium on Socio-ecological transformations Scope of the symposium ...................................................................... 1 of topical lowland rainforests, held in Bali from October 7 to 11, 2018. Program overview .................................................................................. 2 This is the first International Symposium focusing on the full complexity of changes associated with the transformation of tropical lowland rainforest into plantations systems such as rubber and oil palm with a focus on Southeast Keynote lectures ...................................................................................... 6 Asia. The Symposium aims at bridging disciplines and bringing together re- searchers from all fields of science integrating ecological and socioeconomic Sessions and abstracts.........................................................................16 perspectives as well as stakeholders in the field of land use changes in tropical Integrative experiments ..........................................................................16 lowlands. It focuses on science-based approaches targeting at improving the ecological and socioeconomic functions of tropical lowland forests and agri- Biogeochemistry ........................................................................................19 cultural transformation systems at a landscape scale. Biodiversity .................................................................................................. 33 Interdisciplinary socioecological approaches ................................ 51 The meeting will start on Sunday with registration. Monday to Wednesday are devoted to talks and Thursday to field trips. There will be no concurrent ses- Conservation............................................................................................... 58 sions, in order to provide the greatest opportunity to interact, and posters will Socioeconomic dimensions .................................................................. 65 be displayed for the entire duration of the meeting. We welcome your contribution to a stimulating conference and wish you a Excursions ................................................................................................75 pleasant stay and inspiring discussions. Participants list ...................................................................................... 80 The Organisers Organisation ........................................................................................... 83 Partner institutions .............................................................................. 84 page 1 CRC 990 International Symposium Socio-ecological transformations of tropical lowland rainforests Program Overview 10:00 Session 1: INTEGRATIVE EXPERIMENTS Chairs: Teja Tscharntke & Leti Sundawati Sunday, 7 October 2018 Keynote – David F.R.P. Burslem: Tree species and functional diversity across heterogeneous tropical forest landscapes 13:00 Registration 19:00 Welcome reception 10:30–11:00 Coffee Break 11:00 Sarah H. Luke: Large-scale experiments testing impacts of with- in-plantation management on oil palm ecosystems: the BEFTA Monday, 8 October 2018 Programme 8:15 Opening / Welcome address 11:15 Delphine Clara Zemp: Biodiversity enrichment experiment in oil palm plantations: tree growth and structural complexity Stefan Scheu (Speaker of EFForTS) Arif Satria (Rector IPB & Speaker JMB) 11:30 Session 2: Johni Najwan (Rector UNJA) BIOGEOCHEMISTRY Laksana Tri Handoko (Chairman LIPI) Svann Langguth (German Embassy Jakarta) Chairs: Amanda Matson & Suria D. Tarigan 9:00 Opening Keynote 11:30 Keynote – Yit Arn Teh: Synergistic effects of land-use, functional diversity and soil properties on ecosystem processes in lowland Chair: Stefan Scheu tropical forests Voitech Novotny: Conservation of biological and cultural diversity in 12:00 Amanda Matson: Soil and tree-stem N O fluxes of a large-scale oil lowland rainforests of Papua New Guinea by tribal societies 2 palm plantation in Sumatra, Indonesia 12:15–13:30 Lunch 13:30 Josephus Koks: Soil and tree-stem nitrous oxide emissions from smallholder oil palm plantations in riparian areas in Sumatra, In- donesia 13:45 Fitri K. Aini: Termites contribution to nitrous oxide and methane emissions along a gradient of forest disturbance in Sumatra page 2 rTS Bali, October 7 to 11, 2018 FFo EE 14:00 Greta Formaglio: Asymbiotic nitrogen fixation in soil and litter in a Tuesday, 9 October 2018 large-scale oil palm plantation 8:30 Session 3: 14:15 Nina Hennings: Fertilization in oil palm plantations: Microbial bio- mass activity and soil organic matter (SOM) decomposition un- BIODIVERSITY der glyphosate stress Chairs: Holger Kreft & Damayanti Buchori 14:30 Damris Muhammad: Effects of soil carbon and metal contents on 8:30 Keynote – Holger Kreft: From bacteria to birds: heterogeneity, veg- sorption of dissolved organic carbon on soils of tropical rainforest etation structure and species turnover in tropical smallholder transformation systems landscapes 14:45 Syahrul Kurniawan: Decomposition and nutrient mineralization from oil palm empty fruit bunch 9:00 Hermann Behling: Tropical ecosystem and plant diversity dynamics and the impact of climate, fire and humans during late Quater- 15:00 Christanti Agustina: Profile pattern of soil texture and basic cations nary times in different land uses in Jambi, Indonesia 9:15 Christina Setyaningsih: The effect of volcanism on the submontane 15:15 Joyson Ahongshangbam: Tree and palm water use assessed by rainforest vegetation composition: palaeoecological evidence drone based imagery from Danau Njalau, Sumatra (Indonesia) 15:30–16:00 Coffee Break 9:30 Fabian Brambach: The impact of rainforest transformation in Suma- tra on plant taxonomic, phylogenetic, and functional diversity 16:00 Tania June: Aerodynamic characteristics and turbulent transfer of oil palm canopy 9:45 Soekisman Tjitrosoedirdjo: Asytasia gangetica ssp. micranthea in the coming release of glyphosate resistance corn in Indonesia 16:15 Christian Stiegler: El Niño–Southern Oscillation and the oil palm: 10:00 Sri Sudarmiyati Tjitrosoedirdjo: Status on the studies of invasive Effects of drought and haze on evapotranspiration, CO2 exchange and surface energy budget alien plant species in Sumatra 16:30 Martyna Kotowska: Comparison of aboveground biomass and car- 10:15 Fifi Gus Dwiyanti: Population genetics of endangered Dipterocarps bon sequestration in Indonesian rainforest conversion systems in Indonesia: Implication for conservation strategy and sustain- 16:45 Suria D. Tarigan: Impact of soil degradation and change in plant able utilization transpiration on the catchment water balance in tropical rainfor- 10:30–11:00 Coffee Break est transformation systems 17:00 Dodo Gunawan: The analysis of vegetation change and rainfall vari- ability in Lore Lindu National Park, Central Sulawesi, Indonesia 17:15 Poster Session page 3 CRC 990 International Symposium Socio-ecological transformations of tropical lowland rainforests 11:00 Pierre-André Waite: Xylem vulnerability to embolism in natural and 15:00 Session 4: intensively used tropical systems INTERDISCIPLINARY SOCIOECOLOGICAL APPROACHES 11:15 Andrea Polle: Tropical land transformation shifts ecological func- Chairs: Meike Wollni & Rosyani tions of fungal communities 11:30 Johannes Ballauff: Land-use changes restructure fungal communi- 15:00 Keynote – Lian Pin Koh: Promises and pitfalls of conservation drones ties and alter their ecosystem functions 11:45 Adisti Permatasari Putri Hartoyo: Correlation between biodiversity 15:30–16:00 Coffee Break and carbon stock status on agroforestry practices of Berau, East 16:00 Keynote – Daniel Murdiyarso: Tropical peatland fires and opportu- Kalimantan, Indonesia nities for climate change mitigation 12:00 Damayanti Buchori: Indirect effect of land-use change on species 16:30 Ingo Grass: Widespread trade-offs between multifunctionality and richness and abundance of braconid parasitoid wasps profit in smallholder agricultural landscapes 12:15–13:30 Lunch 16:45 Jan Salecker: Land-use change in oil palm dominated tropical land- 13:30 Akhmad Rizali: Different region shapes dissimilar trophic interac- scapes: An agent-based model to explore ecological and so- tions between pest and parasitoid in oil palm plantation cio-economic trade-offs 13:45 Purnama Hidayat: Diversity of butterflies across rainforest trans- 17:00 Carola Paul: Which degree of diversification to achieve truly multi- formation systems in Bukit Duabelas National Park and Harapan functional landscapes? Using land-use optimization as a basis for Forest Landscape, Jambi participatory research 14:00 Jochen Drescher: Community phylogenetics and trait dispersion of 17:15 Katrin Rudolf: The effect of information and sapling provision on arboreal ants after rainforest conversion to monocultures in Su- smallholder tree planting in oil palm plantations matra 17:30 Jennifer Merten: Land use transformation and changing flooding 14:15 Anton Potapov: Distribution of energy between basal and high tro- regimes phic levels of belowground food webs under tropical land-use 17:45 Poster Session change 14:30 Valentyna Krashevska: Composition of protist trophic groups changes with conversion of rainforest into rubber and oil palm plantations in tropical