Parallel declines in species and genetic diversity in tropical forest fragments

Matthew J. Struebig, Tigga Kingston, Eric J. Petit, Steven C. Le Comber, Zubaid Akbar Mukhtar Ahmad, Adura Mohd-Adnan, Stephen J. Rossiter

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

The potential for parallel impacts of habitat change on multiple biodiversity levels has important conservation implications. We report on the first empirical test of the 'species-genetic diversity correlation' across co-distributed taxa with contrasting ecological traits in the context of habitat fragmentation. In a rainforest landscape undergoing conversion to oil palm, we show that depauperate species richness in fragments is mirrored by concomitant declines in population genetic diversity in the taxon predicted to be most susceptible to fragmentation. This association, not seen in the other species, relates to fragment area rather than isolation. While highlighting the over-simplification of extrapolating across taxa, we show that fragmentation presents a double jeopardy for some species. For these, conserving genetic diversity at levels of pristine forest could require sites 15-fold larger than those needed to safeguard species numbers. Importantly, however, each fragment contributes to regional species richness, with larger ones tending to contain more species.

Original languageEnglish
Pages (from-to)582-590
Number of pages9
JournalEcology Letters
Volume14
Issue number6
DOIs
Publication statusPublished - 2011

Fingerprint

habitat fragmentation
tropical forests
tropical forest
species diversity
genetic variation
Elaeis guineensis
fragmentation
species richness
rain forests
population genetics
biodiversity
rainforest
habitats
genetic diversity
fold
testing
oil
habitat

Keywords

  • Allelic richness
  • Bat
  • Biodiversity
  • Conservation value
  • Habitat fragmentation
  • Oil palm
  • SLOSS
  • Species-area relationship
  • Species-genetic diversity correlation

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Struebig, M. J., Kingston, T., Petit, E. J., Le Comber, S. C., Mukhtar Ahmad, Z. A., Mohd-Adnan, A., & Rossiter, S. J. (2011). Parallel declines in species and genetic diversity in tropical forest fragments. Ecology Letters, 14(6), 582-590. https://doi.org/10.1111/j.1461-0248.2011.01623.x

Parallel declines in species and genetic diversity in tropical forest fragments. / Struebig, Matthew J.; Kingston, Tigga; Petit, Eric J.; Le Comber, Steven C.; Mukhtar Ahmad, Zubaid Akbar; Mohd-Adnan, Adura; Rossiter, Stephen J.

In: Ecology Letters, Vol. 14, No. 6, 2011, p. 582-590.

Research output: Contribution to journalArticle

Struebig, MJ, Kingston, T, Petit, EJ, Le Comber, SC, Mukhtar Ahmad, ZA, Mohd-Adnan, A & Rossiter, SJ 2011, 'Parallel declines in species and genetic diversity in tropical forest fragments', Ecology Letters, vol. 14, no. 6, pp. 582-590. https://doi.org/10.1111/j.1461-0248.2011.01623.x
Struebig, Matthew J. ; Kingston, Tigga ; Petit, Eric J. ; Le Comber, Steven C. ; Mukhtar Ahmad, Zubaid Akbar ; Mohd-Adnan, Adura ; Rossiter, Stephen J. / Parallel declines in species and genetic diversity in tropical forest fragments. In: Ecology Letters. 2011 ; Vol. 14, No. 6. pp. 582-590.
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