Marrero, H.J.; Torretta, J.P.; Vázquez, D.P.; Hodara, K.; Medan, D. "Exotic plants promote pollination niche overlap in an agroecosystem" (2017) Agriculture, Ecosystems and Environment. 239:304-309
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Agricultural land management modifies ecosystem structure and functioning in natural landscapes. Pollinators are a key functional group that may suffer from such intensification. Here we evaluate how agricultural land management influences the diversity of pollen transported by pollinators and the pollination niche overlap among plants. We described pollen transport networks (which allow assessing the contribution of pollinators to the flow of pollen among plants) in agricultural and restored fragments in three sites representative of the pampas region of Argentina. We analyzed diversity of pollen transported by pollinators and the pollination niche overlap among plants in both types of fragments with general and generalized linear mixed models. The agricultural fragments were associated to increased diversity of transported pollen and pollination niche overlap among plants. Greater pollination niche overlap in agricultural fragments was associated with increased abundance of exotic plants. Our results indicate that agricultural intensification has significantly increased the diversity of pollen and the pollination niche overlap in natural communities by promoting exotic plants and generalized plant-pollinator interactions. Strategies to encourage improvements in the quality of pollination in agroecosystems could range from controlling the levels of exotic species to mechanisms that promote increased diversity of native plants. © 2017 Elsevier B.V.


Documento: Artículo
Título:Exotic plants promote pollination niche overlap in an agroecosystem
Autor:Marrero, H.J.; Torretta, J.P.; Vázquez, D.P.; Hodara, K.; Medan, D.
Filiación:Instituto Argentino de Investigaciones de las Zonas Áridas, Conicet, CC 507, Mendoza, Argentina
Universidad de Buenos Aires, Facultad de Agronomía, Cátedra de Botánica General, Conicet, Av. San Martín 4453, Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, Mendoza, Argentina
Departamento de Métodos Cuantitativos y Sistemas de Información, Facultad de Agronomía, Universidad de Buenos Aires, Av. San Martín 4453, Buenos Aires, Argentina
Palabras clave:Ecosystem service; Flower visitor; Land use intensification; Plant niche overlap; Pollen transport networks; Pollination service
Página de inicio:304
Página de fin:309
Título revista:Agriculture, Ecosystems and Environment
Título revista abreviado:Agric. Ecosyst. Environ.


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---------- APA ----------
Marrero, H.J., Torretta, J.P., Vázquez, D.P., Hodara, K. & Medan, D. (2017) . Exotic plants promote pollination niche overlap in an agroecosystem. Agriculture, Ecosystems and Environment, 239, 304-309.
---------- CHICAGO ----------
Marrero, H.J., Torretta, J.P., Vázquez, D.P., Hodara, K., Medan, D. "Exotic plants promote pollination niche overlap in an agroecosystem" . Agriculture, Ecosystems and Environment 239 (2017) : 304-309.
---------- MLA ----------
Marrero, H.J., Torretta, J.P., Vázquez, D.P., Hodara, K., Medan, D. "Exotic plants promote pollination niche overlap in an agroecosystem" . Agriculture, Ecosystems and Environment, vol. 239, 2017, pp. 304-309.
---------- VANCOUVER ----------
Marrero, H.J., Torretta, J.P., Vázquez, D.P., Hodara, K., Medan, D. Exotic plants promote pollination niche overlap in an agroecosystem. Agric. Ecosyst. Environ. 2017;239:304-309.