Towards a predictive framework for biocrust mediation of plant performance: A meta-analysis

Caroline A. Havrilla, V. Bala Chaudhary, Scott Ferrenberg, Anita J. Antoninka, Jayne Belnap, Matthew A. Bowker, David J. Eldridge, Akasha M. Faist, Elisabeth Huber-Sannwald, Alexander D. Leslie, Emilio Rodriguez-Caballero, Yuanming Zhang, Nichole N. Barger

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Understanding the importance of biotic interactions in driving the distribution and abundance of species is a central goal of plant ecology. Early vascular plants likely colonized land occupied by biocrusts — photoautotrophic, surface-dwelling soil communities comprised of cyanobacteria, bryophytes, lichens and fungi — suggesting biotic interactions between biocrusts and plants have been at play for some 2,000 million years. Today, biocrusts coexist with plants in dryland ecosystems worldwide, and have been shown to both facilitate or inhibit plant species performance depending on ecological context. Yet, the factors that drive the direction and magnitude of these effects remain largely unknown. We conducted a meta-analysis of plant responses to biocrusts using a global dataset encompassing 1,004 studies from six continents. Meta-analysis revealed there is no simple positive or negative effect of biocrusts on plants. Rather, plant responses differ by biocrust composition and plant species traits and vary across plant ontogeny. Moss-dominated biocrusts facilitated, while lichen-dominated biocrusts inhibited overall plant performance. Plant responses also varied among plant functional groups: C4 grasses received greater benefits from biocrusts compared to C3 grasses, and plants without N-fixing symbionts responded more positively to biocrusts than plants with N-fixing symbionts. Biocrusts decreased germination but facilitated growth of non-native plant species. Synthesis. Results suggest that interspecific variation in plant responses to biocrusts, contingent on biocrust type, plant traits, and ontogeny can have strong impacts on plant species performance. These findings have important implications for understanding biocrust contributions to plant productivity and community assembly processes in ecosystems worldwide.

Original languageEnglish (US)
Pages (from-to)2789-2807
Number of pages19
JournalJournal of Ecology
Volume107
Issue number6
DOIs
StatePublished - Nov 1 2019

Fingerprint

meta-analysis
plant response
symbiont
ontogeny
lichen
symbionts
lichens
grass
grasses
plant ecology
interspecific variation
ecosystems
ecosystem
bryophyte
vascular plant
arid lands
vascular plants
moss
functional group
mosses and liverworts

Keywords

  • biological soil crust
  • biotic interactions
  • biotic resistance; biotic soil community; germination
  • facilitation
  • meta-analysis
  • plant functional traits
  • plant–soil (below-ground) interactions

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science

Cite this

Havrilla, C. A., Chaudhary, V. B., Ferrenberg, S., Antoninka, A. J., Belnap, J., Bowker, M. A., ... Barger, N. N. (2019). Towards a predictive framework for biocrust mediation of plant performance: A meta-analysis. Journal of Ecology, 107(6), 2789-2807. https://doi.org/10.1111/1365-2745.13269

Towards a predictive framework for biocrust mediation of plant performance : A meta-analysis. / Havrilla, Caroline A.; Chaudhary, V. Bala; Ferrenberg, Scott; Antoninka, Anita J.; Belnap, Jayne; Bowker, Matthew A.; Eldridge, David J.; Faist, Akasha M.; Huber-Sannwald, Elisabeth; Leslie, Alexander D.; Rodriguez-Caballero, Emilio; Zhang, Yuanming; Barger, Nichole N.

In: Journal of Ecology, Vol. 107, No. 6, 01.11.2019, p. 2789-2807.

Research output: Contribution to journalArticle

Havrilla, CA, Chaudhary, VB, Ferrenberg, S, Antoninka, AJ, Belnap, J, Bowker, MA, Eldridge, DJ, Faist, AM, Huber-Sannwald, E, Leslie, AD, Rodriguez-Caballero, E, Zhang, Y & Barger, NN 2019, 'Towards a predictive framework for biocrust mediation of plant performance: A meta-analysis', Journal of Ecology, vol. 107, no. 6, pp. 2789-2807. https://doi.org/10.1111/1365-2745.13269
Havrilla, Caroline A. ; Chaudhary, V. Bala ; Ferrenberg, Scott ; Antoninka, Anita J. ; Belnap, Jayne ; Bowker, Matthew A. ; Eldridge, David J. ; Faist, Akasha M. ; Huber-Sannwald, Elisabeth ; Leslie, Alexander D. ; Rodriguez-Caballero, Emilio ; Zhang, Yuanming ; Barger, Nichole N. / Towards a predictive framework for biocrust mediation of plant performance : A meta-analysis. In: Journal of Ecology. 2019 ; Vol. 107, No. 6. pp. 2789-2807.
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