Understanding the value of plant diversity for ecosystem functioning through niche theory

Lindsay A. Turnbull, Forest Isbell, Drew W. Purves, Michel Loreau, Andy Hector

Research output: Contribution to journalReview article

26 Citations (Scopus)

Abstract

Biodiversity experiments have generated robust empirical results supporting the hypothesis that ecosystems function better when they contain more species. Given that ecosystems provide services that are valued by humans, this inevitably suggests that the loss of species from natural ecosystems could diminish their value. This raises two important questions. First, will experimental results translate into the real world, where species are being lost at an alarming rate? And second, what are the benefits and pitfalls of such valuation exercises? We argue that the empirical results obtained in experiments are entirely consistent with well-established theories of species coexistence. We then examine the current body of work through the lens of niche theory and highlight where closer links with theory could open up opportunities for future research. We argue that niche theory predicts that diversity-functioning relationships are likely to be stronger (and require more species) in the field than in simplified experimental settings. However, we caution that while many of the biological processes that promote coexistence can also generate diversity-function relationships, there is no simple mapping between the two. This implies that valuation exercises need to proceed with care.

Original languageEnglish (US)
Pages (from-to)20160536
Number of pages1
JournalProceedings of the Royal Society B: Biological Sciences
Volume283
Issue number1844
DOIs
StatePublished - Dec 14 2016

Fingerprint

Ecosystems
Ecosystem
niche
exercise
niches
ecosystems
ecosystem
Lens
ecosystem services
Biological Phenomena
valuation
Biodiversity
coexistence
biodiversity
Lenses
Experiments
ecosystem function
ecosystem service
biological processes
experiment

Keywords

  • biodiversity
  • coexistence
  • ecosystem functioning
  • ecosystem services
  • niche
  • value

PubMed: MeSH publication types

  • Review
  • Journal Article

Cite this

Understanding the value of plant diversity for ecosystem functioning through niche theory. / Turnbull, Lindsay A.; Isbell, Forest; Purves, Drew W.; Loreau, Michel; Hector, Andy.

In: Proceedings of the Royal Society B: Biological Sciences, Vol. 283, No. 1844, 14.12.2016, p. 20160536.

Research output: Contribution to journalReview article

Turnbull, Lindsay A. ; Isbell, Forest ; Purves, Drew W. ; Loreau, Michel ; Hector, Andy. / Understanding the value of plant diversity for ecosystem functioning through niche theory. In: Proceedings of the Royal Society B: Biological Sciences. 2016 ; Vol. 283, No. 1844. pp. 20160536.
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