Authors: Flores Moreno, Habacuc; Reich, Peter B.; Lind, Eric M.; Sullivan, Lauren L.; Seabloom, Eric W.; Yahdjian, María Laura; MacDougall, Andrew S.; Reichmann, Lara G.; Alberti, Juan; Báez, Selene; Bakker, Jonathan D.; Cadotte, Marc W.; Caldeira, Maria C.; Chaneton, Enrique Jose; D'Antonio, Carla M.; Fay, Philip A.; Firn, Jennifer; Hagenah, Nicole; Harpole, W. Stanley; Iribarne, Oscar Osvaldo; Kirkman, Kevin P.; Knops, Johannes M. H.; La Pierre, Kimberly J.; Laungani, Ramesh; Leakey, Andrew D. B.; McCulley, Rebecca L.; Moore, Joslin L.; Pascual, Jesus Maria; Borer, Elizabeth T.
Publication Date: 2016.
Language: English.
Abstract:
Ecosystem eutrophication often increases domination by non-natives and causes displacement of native taxa. However, variation in environmental conditions may affect the outcome of interactions between native and non-native taxa in environments where nutrient supply is elevated. We examined the interactive effects of eutrophication, climate variability and climate average conditions on the success of native and non-native plant species using experimental nutrient manipulations replicated at 32 grassland sites on four continents. We hypothesized that effects of nutrient addition would be greatest where climate was stable and benign, owing to reduced niche partitioning. We found that the abundance of non-native species increased with nutrient addition independent of climate; however, nutrient addition increased nonnative species richness and decreased native species richness, with these effects dampened in warmer or wetter sites. Eutrophication also altered the time scale in which grassland invasion responded to climate, decreasing the importance of long-term climate and increasing that of annual climate. Thus, climatic conditions mediate the responses of native and non-native flora to nutrient enrichment. Our results suggest that the negative effect of nutrient addition on native abundance is decoupled from its effect on richness, and reduces the time scale of the links between climate and compositional change.
Author affiliation: Flores Moreno, Habacuc. University of Minnesota; Estados Unidos
Author affiliation: Reich, Peter B.. University of Minnesota; Estados Unidos. Western Sydney University; Australia
Author affiliation: Lind, Eric M.. University of Minnesota; Estados Unidos
Author affiliation: Sullivan, Lauren L.. University of Minnesota; Estados Unidos
Author affiliation: Seabloom, Eric W.. University of Minnesota; Estados Unidos
Author affiliation: Yahdjian, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía; Argentina
Author affiliation: MacDougall, Andrew S.. University of Guelph; Canadá
Author affiliation: Reichmann, Lara G.. United State Department of Agriculture; Estados Unidos
Author affiliation: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Author affiliation: Báez, Selene. Consorcio Para El Desarrollo Sostenible de la Ecoregión Andina - CONDESAN; Ecuador
Author affiliation: Bakker, Jonathan D.. University of Washington; Estados Unidos
Author affiliation: Cadotte, Marc W.. University of Toronto; Canadá
Author affiliation: Caldeira, Maria C.. Universidade de Lisboa; Portugal
Author affiliation: Chaneton, Enrique Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía; Argentina
Author affiliation: D'Antonio, Carla M.. University of California; Estados Unidos
Author affiliation: Fay, Philip A.. United State Department of Agriculture; Estados Unidos
Author affiliation: Firn, Jennifer. Queensland University of Technology; Australia
Author affiliation: Hagenah, Nicole. University of KwaZulu-Natal; Sudáfrica
Author affiliation: Harpole, W. Stanley. Department of Physiological Diversity; Alemania
Author affiliation: Iribarne, Oscar Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Author affiliation: Kirkman, Kevin P.. University of KwaZulu-Natal; Sudáfrica
Author affiliation: Knops, Johannes M. H.. Universidad de Nebraska - Lincoln; Estados Unidos
Author affiliation: La Pierre, Kimberly J.. University of California at Berkeley; Estados Unidos
Author affiliation: Laungani, Ramesh. Doane College; Estados Unidos
Author affiliation: Leakey, Andrew D. B.. University of Illinois. Urbana - Champaign; Estados Unidos
Author affiliation: McCulley, Rebecca L.. University of Kentucky; Estados Unidos
Author affiliation: Moore, Joslin L.. Monash University; Australia
Author affiliation: Pascual, Jesus Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Author affiliation: Borer, Elizabeth T.. University of Minnesota; Estados Unidos
Repository: CONICET Digital (CONICET). Consejo Nacional de Investigaciones Científicas y Técnicas