Monitoring of arboreal arthropod communities across a land-use gradient in Sumatra, Indonesia

Tree canopies comprise the bulk of animal biodiversity in tropical rainforests. Much of this diversity is strongly affected by transformation of rainforests into other forest systems or arable land as many of the arthropods are specialists feeding only on certain plant species or preying on a narrow spectrum of invertebrates. Numerous of these species are assumed to go extinct before they have been recorded by science. Within the Central Scientific Support Unit 990 (‘EFForTS’-project: Ecological and Socioeconomic functions of tropical lowland rainforest transformation systems in Sumatra, Indonesia), I main aim is to measure aboveground biodiversity patterns across a land-use gradient (old growth secondary forest, jungle rubber, rubber and oil palm plantations) by sampling arboreal arthropod communities. Arthropods are sampled by fogging with a knock-down insecticide, and analyzed by functional groups (or guilds) to reveal potential differences in food-web structure between ecosystems along the land-use gradient.
Although arboreal in the adult stage, many of the arboreal species may temporally reside or seek refuge in soil and it is increasingly realized that above- and belowground communities are more closely linked than previously assumed. Above- and belowground animal communities therefore form interlinked compartments of the food web of terrestrial ecosystems. By jointly analyzing data sets across the various workgroups within the CRC990/EFForTS-project, we therefore hope to gain an in-depth understanding of agricultural impacts on the biological diversity and ecosystem stability of tropical rainforest ecosystems.

Peer-reviewed Publications
  • Panjaitan R, Drescher J, Buchori D, Peggie D, Harahap IS, Scheu S, Hidayat P (2020) Diversity of butterflies (Lepidoptera) across rainforest transformation systems in Jambi, Sumatra, Indonesia. Biodiversitas 21: 5119-5127 doi.org/10.13057/biodiv/d211117
  • Nazarreta R, Hartke TR, Hidayat P, Scheu S, Buchori D, Drescher J (2020) Rainforest conversion to smallholder plantations of rubber or oil palm leads to species loss and community shifts in canopy ants (Hymenoptera: Formicidae). Myrmecological News 30: 175-186 doi.org/10.25849/myrmecol.news_030:175
  • Grass I, Kubitza C, Krishna V, Corré M, Musshoff O, Drescher J, Rembold K, Pütz P, Ariyanti E, Barnes A, Brinkmann N, Brose U, Brümmer B, Buchori D, Daniel R, Darras K, Fehrmann L, Hein J, Hennings N, Hidayat P, Hölscher D, Faust H, Jochum M, Knohl A, Kotowska M, Krashevska V, Kreft H, Leuschner C, Lobite N, Panjaitan R, Polle A, Potapov A, Purnama E, Qaim M, Röll A, Scheu S, Schneider D, Tjoa A, Tscharntke T, Veldkamp E, Wollni M (2020) Trade-offs between multifunctionality and profit in tropical smallholder landscapes. Nature Communications 11: 1186 doi.org/10.1038/s41467-020-15013-5
  • Darras K, Corre MD, Formaglio G, Tjoa A, Potapov A, Brambach F, Sibhatu KT, Grass I, Tscharntke T, Rubiano AA, Buchori D, Drescher J, Fardiansah R, Hölscher D, Irawan B, Kneib T, Krashevska V, Krause K, Kreft H, Li K, Maraun M, Polle A, Ryadin AR, Rembold K, Scheu S, Tarigan S, Valdés-Uribe A, Yadi S, Veldkamp E (2019) Reducing fertilizer and avoiding herbicides in oil palm plantations – Ecological and Economic valuations. Frontiers in Forests and Global Change 2: 65 doi.org/10.3389/ffgc.2019.00065
  • Panjaitan R, Hidayat P, Buchori D, Peggie D, Harahap IS, Drescher J, Scheu S (2019) Diversity of butterflies (Lepidoptera) caught by using fruit traps in Bukit duabelas and Harapan Forest landscape. AIP Conference Proceedings 2120, 070015 doi.org/10.1063/1.5115732
  • Drescher J, Rembold K, Allen K, Beckschäfer P, Buchoiori D, Clough Y, Faust H, Fauzi AM, Gunawan D, Hertel D, Irawan B, Jaya INS, Klarber B, Kleinn C, Knohl C, Kotowska MM, Krashevska V, Krishna V, Leuschner C, Lorenz W, Meijide A, Melati D, Nomura M, Rérez-Cruzado C, Qaim M, Siregar IZ, Steinebach S, Tjoa A, Tscharntke T, Wick B, Wiegand K, Kreft H, Scheu S (2016) Ecological and socio-economic functions across tropical land use systems after rainforest conversion. Philosophical Transactions of the Royal Society B 371: 1694 doi.org/10.1098/rstb.2015.0275
  • Drescher J, Feldhaar H, Blüthgen N (2011) Interspecific aggression and resource monopolization of the invasive ant Anoplolepis gracilipes in Malaysian Borneo, Biotropica, 43(1), 93-99 doi.org/10.1111/j.1744-7429.2010.00662.x
  • Drescher J, Blüthgen N, Schmitt T, Bühler J, Feldhaar H (2010) Societies drifting apart? Behavioural, genetic and chemical differentiation between supercolonies in the yellow crazy ant Anoplolepis gracilipes. PLoS ONE, 5(10), e13581 doi.org/10.1371/journal.pone.0013581
  • Stys P, Banar P, Drescher J (2010) A new Oncylocotis (Hemiptera: Heteroptera: Enicocephalidae) from Sabah: A predacious species associated with the Yellow Crazy Ant, Anoplolepis gracilipes (Hymenoptera: Formicidae), Zootaxa, 2651, 27-42 doi.org/10.11646/zootaxa.2651.1.2
  • Drescher J, Blüthgen N, Feldhaar H (2007) Population structure and intraspecific aggression in the invasive ant species Anoplolepis gracilipes in Malaysian Borneo, Molecular Ecology, 16, 1453-1465 doi.org/10.1111/j.1365-294X.2007.03260.x
  • Feldhaar H, Drescher J, Blüthgen N (2006) Characterization of microsatellite markers for the invasive ant species Anoplolepis gracilipes, Molecular Ecology Notes, 6, 912-914 doi.org/10.1111/j.1471-8286.2006.01397.x
Taxonomic Publications
  • Narazarreta R, Buchori D, Hidayat P, Fardiansah R, Scheu S, Drescher J (2019) A Guide to the Ants of Jambi (Sumatra, Indonesia) - Identification Key to Common Ant Genera and Images of the EFForTS collection. Version 4.0 beta, October 2019. 170pp. PDF
  • Gutierrez DR, Lia M, Scheu S, Drescher J (2019) A Guide to the Spiders of Jambi (Sumatra, Indonesia) - Identification Key to Common Families and Images of the EFForTS collection. Version 1.0, June 2019. 176pp. PDF
  • Panjaitan R, Hidayat P, Peggie D, Buchori D, Scheu S, Drescher J (2019) The Butterflies of Eastern Jambi (Sumatra, Indonesia) - An EFForTS Field Guide. Version 1.0, June 2019. 48pp. PDF