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Biological Research
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Phylogenetics
In order to explore the evolutionary history of the Mentawaian primates, molecular genetic and biological markers are being used to clarify their phylogeny and taxonomic relationships. Analysis is based on non-invasively collected samples from the field (faecal material, hair samples, vocalisation recordings) and supplemented, where necessary, by material from museums and data from the international gene bank.
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- Molecular phylogeny and evolutionary history of Mentawai macaques
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Project description:
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Click here
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Status:
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completed
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Contact person(s):
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Christophe Abegg (cabegg@siberut-island.org)
Christian Roos (croos@dpz.eu)
Thomas Ziegler (tziegler@siberut-island.org)
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Documents:
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Publications:
- Abegg, C. and B. Thierry (2002). "The phylogenetic status of Siberut macaques: Hints from the bared-teeth display." Primate Report 63: 73-78.
- Abegg, C. and B. Thierry (2002). "Macaque evolution and dispersal in insular south-east Asia." Biological Journal of the Linnean Society 75(4): 555-576.
- Roos, C., T. Ziegler, et al. (2003). "Molecular phylogeny of Mentawai macaques: Taxonomic and biogeographic implications." Molecular Phylogenetics and Evolution 29(1): 139-150.
- Ziegler, T., C. Abegg, et al. (2007). "Molecular phylogeny and evolutionary history of Southeast Asian macaques forming the M-silenus group." Molecular Phylogenetics and Evolution 42(3): 807-816.
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- Phylogeney, taxonomy and biogeography of the Leaf Monkey, Genus Presbytis
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- Comparative aspects of vocalization patterns (and speciation processes) in Mentawai macaques
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Behaviour & Ecology
Behavioural and/or ecological data are virtually non-existent for most of Siberut’s wildlife, and even for the endemic primate species basic information on biology and habitat requirements is limited. In order to create a biological database needed to support effective conservation measures, we are carrying out a range of studies on the behavioural ecology of all primate species found on Siberut.
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- Niche differentiation of 2 sympatric colobines (Simias concolor & Presbytis potenziani) on Siberut
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Project description:
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Click here
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Status:
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ongoing
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Contact person(s):
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Susilo Hadi (susilohadi2004@yahoo.com)
Thomas Ziegler (tziegler@siberut-island.org)
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Documents:
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Publications:
- Hadi, S., T. Ziegler, et al. (2007). “Tree diversity and forest structure in northern Siberut, Mentawai islands, Indonesia.” Tropical Ecology 50(2): 315-327.
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- Male-male competition in Simakobu monkeys (Simias concolor): Strategies and signals
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- Group structure and physical characteristics of Simakobu monkeys (Simias concolor)
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Project description:
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Click here
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Status:
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completed
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Contact person(s):
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Susilo Hadi (susilohadi2004@yahoo.com)
Thomas Ziegler (tziegler@siberut-island.org)
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Documents:
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Publications:
- Hadi, S., T. Ziegler, et al. (2009). "Group structure and physical characteristics of Simakobu monkeys (Simias concolor) on the Mentawai Island of Siberut, Indonesia." Folia Primatologica 79(5): 335-336.
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- Singing, space use and genetic structure of a Kloss gibbon (Hylobates klossii) population in the Peleonan forest, Siberut Island
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- Feeding ecology and food competition in Siberut Macaques (Macaca siberu)
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- Aspects of direct feeding competition in wild Siberut Macaques (Macaca siberu)
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- Use of and behavioural adaptations to peat swamp forest habitat by Kloss Gibbons (Hylobates klossii)
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- Aspects of anti-predator behaviour in Simakobu monkeys, endemic to the Mentawai islands
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- Acoustic niches in sympatric primate species of Siberut Island
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Project description:
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Click here
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Status:
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completed
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Contact person(s):
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Christina Schneider (xschneiderch@web.de)
Kurt Hammerschmidt (khammerschmidt@dpz.eu)
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Documents:
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Publications:
- Schneider, C., K. Hodges, et al. (2008). "Acoustic niches of Siberut primates." International Journal of Primatology 29(3): 601-613.
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- Vertical stratification of fruit-eating butterflies on Siberut Island
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Reproductive Biology
Reproductive parameters of the Mentawai primates, such as seasonality, ovarian cycle characteristics, birth rates, mating systems etc. have yet to be described. SCP is conducting studies to provide initial information on basic reproductive characteristics and to assess requirements for successful reproduction under natural conditions.
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- Ovarian cycle characteristics and sexual swellings in Simakobu monkeys (Simias concolor)
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- Mating system and reproductive parameters of the Mentawai langur (Presbytis potenziani)
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Population Biology
Monitoring of populations and their dynamics is essential for the development and deployment of effective conservation strategies. In particular, surveys and viability assessments are important for assessing the value of specific habitats for any given species and as a basis for evaluating the need for designating protection zones or nature reserves.
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- Abundance and community structure of Mentawai primates in the Peleonan Forest
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- Survey of the primate community of peat swamp forests on Siberut
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Project description:
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Click here
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Status:
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completed
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Contact person(s):
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Marcel Quinten (mquinten@siberut-island.org)
Matthias Waltert (mwalter@gwdg.de)
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Documents:
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Publications:
- Quinten, M. (2008). “Survey of the primate community of peat swamp forests on Siberut, Mentawai Islands (Indonesia)”. MSc. Thesis, Department of Conservation Biology, Centre for Nature Conservation, Georg-August-Universität Göttingen, Germany.
- Quinten, M., Waltert, M., Syamsuri, F. & Hodges, J. Keith (2010). “Peat Swamp Forest supports high primate densities on Siberut island.” Oryx 44(1): 147-151.
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- Population and Habitat Viability Assessment for the Pig-tailed Langur (Simias concolor)
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- Population genetics of the two Mentawai macaques Macaca siberu and Macaca pagensis
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Ethnobotany and Agroforestry
Mentawai people are an integral part of Siberut`s ecology and long term conservation strategies depend upon an understanding of Mentawaian society and its economy. Here SCP is generating important information on the significance of the forest for the local communities and how their traditional use of natural resources and development of new agricultural practices are impacting on their forest environment.
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- Traditional land use practices of Politcioman village. How do the Mentawai use their forest?
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- Siberut Agro-economic Analysis Programme (SAP): Evolution and sustainability of agricultural management in Northern Siberut
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