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Yann Clough. Foto.

Yann Clough

Professor

Yann Clough. Foto.

Experimental biodiversity enrichment in oil-palm-dominated landscapes in Indonesia

Författare

  • Miriam Teuscher
  • Anne Gérard
  • Ulrich Brose
  • Damayanti Buchori
  • Yann Clough
  • Martin Ehbrecht
  • Dirk Hölscher
  • Bambang Irawan
  • Leti Sundawati
  • Meike Wollni
  • Holger Kreft
Visa allt

Summary, in English

Tropical biodiversity is threatened by the expansion of oil-palm plantations. Reduced-impact farming systems such as agroforests, have been proposed to increase biodiversity and ecosystem functioning. In regions where oil-palm plantations already dominate the landscape, this increase can only be achieved through systematic ecological restoration. However, our knowledge about the underlying ecological and socio-economic processes, constraints, and trade-offs of ecological restoration in oilpalm landscapes is very limited. To bridge this gap, we established a long-term biodiversity enrichment experiment. We established experimental tree islands in a conventional oil-palm plantation and systematically varied plot size, tree diversity, and tree species composition. Here, we describe the rationale and the design of the experiment, the ecosystem variables (soil, topography, canopy openness) and biotic characteristics (associated vegetation, invertebrates, birds) of the experimental site prior to the establishment of the experiment, and initial experimental effects on the fauna. Already one year after establishment of the experiment, tree plantings had an overall positive effect on the bird and invertebrate communities at the plantation scale. The diversity and abundance of invertebrates was positively affected by the size of the tree islands. Based on these results, we expect a further increase of biodiversity and associated ecological functions in the future. The long-term interdisciplinary monitoring of ecosystem variables, flora, fauna, and socio-economic aspects will allow us to evaluate the suitability of tree islands as a restoration measure. Thereof, guidelines for ecologically improved and socio-economically viable restoration and management concepts could be developed.

Avdelning/ar

  • Centrum för miljö- och klimatvetenskap (CEC)
  • BECC: Biodiversity and Ecosystem services in a Changing Climate

Publiceringsår

2016-10-17

Språk

Engelska

Publikation/Tidskrift/Serie

Frontiers in Plant Science

Volym

7

Issue

OCTOBER2016

Dokumenttyp

Artikel i tidskrift

Förlag

Frontiers Media S. A.

Ämne

  • Environmental Sciences related to Agriculture and Land-use
  • Ecology

Nyckelord

  • Agroforestry
  • Applied nucleation
  • Biodiversity-ecosystem functioning
  • Ecological restoration
  • Ecosystem services
  • Tree planting

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1664-462X