About the Authors

Carolina Bremm

carolina.bremm@yahoo.com.br

Affiliation Grazing Ecology Research Group, Federal University of Rio Grande do Sul, Porto Alegre, Brazil

Paulo C. F. Carvalho

Affiliation Grazing Ecology Research Group, Federal University of Rio Grande do Sul, Porto Alegre, Brazil

Lidiane Fonseca

Affiliation Grazing Ecology Research Group, Federal University of Rio Grande do Sul, Porto Alegre, Brazil

Glaucia A. Amaral

Affiliation Grazing Ecology Research Group, Federal University of Rio Grande do Sul, Porto Alegre, Brazil

Jean C. Mezzalira

Affiliation Grazing Ecology Research Group, Federal University of Rio Grande do Sul, Porto Alegre, Brazil

Naylor B. Perez

Affiliation Embrapa Southern Region Animal Husbandry, Bagé, RS, Brazil

Carlos Nabinger

Affiliation Grazing Ecology Research Group, Federal University of Rio Grande do Sul, Porto Alegre, Brazil

Emilio A. Laca

Affiliation Department of Plant Sciences, University of California Davis, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CB PCFC CN NBP EAL. Performed the experiments: CB LF GAA JCM. Analyzed the data: CB EAL. Contributed reagents/materials/analysis tools: NBP. Wrote the paper: CB PCFC JCM EAL.