The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland
Human activities alter biomass, nutrient availability, and species dominance in grasslands, impacting their richness, composition, and biomass production. Stability (invariability in time or space) can inform the predictability of plant communities in response to human activities. However, this meas...
| Autores principales: | , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2024
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/20223 https://www.sciencedirect.com/science/article/abs/pii/S0048969724071882 https://doi.org/10.1016/j.scitotenv.2024.177031 |
| _version_ | 1855038190489960448 |
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| author | Campana, Sofía Tognetti, Pedro Maximiliano Alberti, Juan Graff, Barbara Pamela Molina, Cecilia D. Silvoso, María Celeste Yahdjian, Laura |
| author_browse | Alberti, Juan Campana, Sofía Graff, Barbara Pamela Molina, Cecilia D. Silvoso, María Celeste Tognetti, Pedro Maximiliano Yahdjian, Laura |
| author_facet | Campana, Sofía Tognetti, Pedro Maximiliano Alberti, Juan Graff, Barbara Pamela Molina, Cecilia D. Silvoso, María Celeste Yahdjian, Laura |
| author_sort | Campana, Sofía |
| collection | INTA Digital |
| description | Human activities alter biomass, nutrient availability, and species dominance in grasslands, impacting their richness, composition, and biomass production. Stability (invariability in time or space) can inform the predictability of plant communities in response to human activities. However, this measure has been simplistically analyzed for temporal (interannual) changes in live biomass, disregarding their spatial stability and the temporal stability of other plant community attributes. Moreover, the simultaneous analysis of temporal and spatial stabilities of plant communities has been scarcely assessed. Here, we test how biomass removal and nutrient addition simultaneously modify the temporal and spatial stabilities of plant richness (α diversity), composition dissimilarity (β diversity), aboveground live biomass, and the role of plant species dominance in the stability responses. We conducted a factorial experiment of biomass removal (grazing, mowing, or intact -no removal-) and nutrient addition (unfertilized or fertilized with nitrogen, phosphorus, and potassium) in a temperate grassland of Argentina, South America. We replicated the experiment in 6 blocks over 10 years to estimate the temporal and spatial stabilities of the plant community. The spatiotemporal stability of plant richness and composition dissimilarity decreased in the intact grassland, while the temporal stability of live biomass increased, compared to the grazed and mowed grasslands. Nutrient addition reduced the spatiotemporal stability of live biomass and the spatial stability of plant richness. The stabilities of species richness as well as that of composition dissimilarity were negatively associated with plant dominance, while the live biomass stability was not. Our results suggest that simplifying the effect of biomass removal and nutrient addition on grassland stability is not feasible, as plant diversity stability responses are not surrogates for biomass stability. The contrasting spatiotemporal stability responses of plant diversity and biomass represent a step forward in predicting human activities' impact over time and across space in temperate grasslands. |
| format | info:ar-repo/semantics/artículo |
| id | INTA20223 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA202232024-11-11T15:00:17Z The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland Campana, Sofía Tognetti, Pedro Maximiliano Alberti, Juan Graff, Barbara Pamela Molina, Cecilia D. Silvoso, María Celeste Yahdjian, Laura Praderas Clima Templado Biomasa Biodiversidad Género Humano América del Sur Grasslands Temperate Climate Biomass Biodiversity Humans South America Human activities alter biomass, nutrient availability, and species dominance in grasslands, impacting their richness, composition, and biomass production. Stability (invariability in time or space) can inform the predictability of plant communities in response to human activities. However, this measure has been simplistically analyzed for temporal (interannual) changes in live biomass, disregarding their spatial stability and the temporal stability of other plant community attributes. Moreover, the simultaneous analysis of temporal and spatial stabilities of plant communities has been scarcely assessed. Here, we test how biomass removal and nutrient addition simultaneously modify the temporal and spatial stabilities of plant richness (α diversity), composition dissimilarity (β diversity), aboveground live biomass, and the role of plant species dominance in the stability responses. We conducted a factorial experiment of biomass removal (grazing, mowing, or intact -no removal-) and nutrient addition (unfertilized or fertilized with nitrogen, phosphorus, and potassium) in a temperate grassland of Argentina, South America. We replicated the experiment in 6 blocks over 10 years to estimate the temporal and spatial stabilities of the plant community. The spatiotemporal stability of plant richness and composition dissimilarity decreased in the intact grassland, while the temporal stability of live biomass increased, compared to the grazed and mowed grasslands. Nutrient addition reduced the spatiotemporal stability of live biomass and the spatial stability of plant richness. The stabilities of species richness as well as that of composition dissimilarity were negatively associated with plant dominance, while the live biomass stability was not. Our results suggest that simplifying the effect of biomass removal and nutrient addition on grassland stability is not feasible, as plant diversity stability responses are not surrogates for biomass stability. The contrasting spatiotemporal stability responses of plant diversity and biomass represent a step forward in predicting human activities' impact over time and across space in temperate grasslands. EEA Cesáreo Naredo Fil: Campana, S. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología vinculadas a la Agricultura; Argentina. Fil: Campana, S. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología vinculadas a la Agricultura; Argentina Fil: Campana, S. Universidad de Buenos Aires. Facultad de Agronomía. Catedra de Ecología; Argentina Fil: Tognetti, Pedro Maximiliano. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina Fil: Tognetti, Pedro Maximiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina Fil: Tognetti, Pedro Maximiliano. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Métodos Cuantitativos y Sistemas de Información; Argentina Fil: Alberti, Juan. Universidad Nacional de Mar del Plata. Instituto de Investigaciones Marinas y Costeras (IIMyC). Laboratorio de Ecología; Argentina. Fil: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Marinas y Costeras (IIMyC). Laboratorio de Ecología; Argentina. Fil: Graff, P. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina Fil: Graff, P. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología vinculadas a la Agricultura; Argentina Fil: Graff, P. Universidad de Buenos Aires. Facultad de Agronomía. Catedra de Ecología; Argentina Fil: Graff, P. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Cesáreo Naredo. Agencia de Extensión Rural Coronel Suárez; Argentina Fil: Molina, C. Universidad de Buenos Aires. Facultad de Agronomía. Catedra de Fertilidad y Fertilizantes; Argentina Fil: Molina, C. Universidad Provincial de Ezeiza; Argentina Fil: Silvoso, María Celeste. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina Fil: Silvoso, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina Fil: Silvoso, C. Universidad de Buenos Aires. Facultad de Agronomía. Catedra de Ecología; Argentina Fil: Yahdjian, Laura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina Fil: Yahdjian, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina Fil: Yahdjian, Laura. Universidad de Buenos Aires. Facultad de Agronomía. Catedra de Ecología; Argentina 2024-11-11T14:54:52Z 2024-11-11T14:54:52Z 2024-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/20223 https://www.sciencedirect.com/science/article/abs/pii/S0048969724071882 0048-9697 1879-1026 https://doi.org/10.1016/j.scitotenv.2024.177031 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Elsevier Science of The Total Environment 955 : 177031. (December 2024) |
| spellingShingle | Praderas Clima Templado Biomasa Biodiversidad Género Humano América del Sur Grasslands Temperate Climate Biomass Biodiversity Humans South America Campana, Sofía Tognetti, Pedro Maximiliano Alberti, Juan Graff, Barbara Pamela Molina, Cecilia D. Silvoso, María Celeste Yahdjian, Laura The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland |
| title | The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland |
| title_full | The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland |
| title_fullStr | The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland |
| title_full_unstemmed | The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland |
| title_short | The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland |
| title_sort | spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a south american temperate grassland |
| topic | Praderas Clima Templado Biomasa Biodiversidad Género Humano América del Sur Grasslands Temperate Climate Biomass Biodiversity Humans South America |
| url | http://hdl.handle.net/20.500.12123/20223 https://www.sciencedirect.com/science/article/abs/pii/S0048969724071882 https://doi.org/10.1016/j.scitotenv.2024.177031 |
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