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http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/2160| Towards a predictive framework for biocrust mediation of plant performance: a meta-analysis | |
| Caroline A. Havrilla Veer Bala Chaudhary Scott Ferrenberg Anita J. Antoninka Jayne Belnap Matthew Bowker David Eldridge Akasha M. Faist Elisabeth Huber Sannwald Alexander D. Leslie Emilio Rodriguez-Caballero Yuanming Zhang Nichole N. Barger | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| https://doi.org/10.1111/1365-2745.13269 | |
| Biological soil crust Biotic interactions Biotic resistance Biotic soil community Germination Facilitation Meta-analysis Plant functional traits Plant-soil (below-ground) interactions | |
| "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: C-4 grasses received greater benefits from biocrusts compared to C-3 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." | |
| Wiley | |
| 2019 | |
| Artículo | |
| Havrilla, CA, Chaudhary, VB, Ferrenberg, S, et al. Towards a predictive framework for biocrust mediation of plant performance: A meta-analysis. J Ecol. 2019; 107: 2789-2807. https://doi.org/10.1111/1365-2745.13269 | |
| ECOLOGÍA VEGETAL | |
| Versión publicada | |
| publishedVersion - Versión publicada | |
| Aparece en las colecciones: | Publicaciones Científicas Ciencias Ambientales |
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|---|---|---|---|
| JEcol107(2019)2789.pdf | 1.72 MB | Adobe PDF | Visualizar/Abrir |