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Citation for Study 18945

About Citation title: "Phylogenetic diversity is maintained despite richness losses over time in restored tallgrass prairie plant communities".
About Study name: "Phylogenetic diversity is maintained despite richness losses over time in restored tallgrass prairie plant communities".
About This study is part of submission 18945 (Status: Published).

Citation

Barber N.A., Jones H.P., Duvall M.R., Wysocki W.P., Hansen M.J., & Gibson D.J. 2016. Phylogenetic diversity is maintained despite richness losses over time in restored tallgrass prairie plant communities. Journal of Applied Ecology, .

Authors

  • Barber N.A.
  • Jones H.P.
  • Duvall M.R.
  • Wysocki W.P. (submitter) Phone 630-433-8282
  • Hansen M.J.
  • Gibson D.J.

Abstract

1. Ecosystem restoration is an important tool for mitigating biodiversity loss and recovering critical ecosystem services to humanity, but restoration rarely takes into account the evolutionary attributes of the community being restored. Phylogenetic diversity (PD) represents a potentially valuable measure of restoration success because it can correlate with functional trait diversity that drives ecosystem function. However, PD patterns in restored communities are rarely assessed. 2. We surveyed plant communities in restored tallgrass prairies 219 years old and calculated two PD measures, SESMNTD and SESMPD, of the communities and seed mixture applied to sites. We also identified high-threat exotic species present in each site to determine if PD of the seed mixture applied was related to resistance against invasion. 3. We show that PD in North American tallgrass prairie restorations, as measured by both SESMNTD and SESMPD, is maintained over time even as richness declines. Neither the resulting community PD nor invasion by high-threat exotic species were affected by PD of the seed mixture used in site restoration. Thus simply maximizing PD of seed mixtures without considering the particular component species is unlikely to help achieve restoration goals. 5. Synthesis and applications: These results suggest that species losses over time are not biased toward species with or without close relatives in the community. If PD reflects functional trait diversity in communities, then local declines in species richness may not necessarily mean the loss of ecosystem function in restoration projects. However, PD of restored communities may be limited by low establishment rates for most species. Conservation practitioners should consider PD with careful planning to maintain overall community diversity and potentially maximize ecosystem function and services in restorations. This will require a deeper understanding of the relationships between phylogenetic relatedness and traits associated with competition and fitness.

Keywords

Phylogenetic diversity; prairie, restoration

External links

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S18945
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