Browsing by Author "201-0232288"
Now showing items 21-35 of 35
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Gonzáles, Wilfredo L.; Suárez, Lorena H.; Guiñez, Ricardo; Medel Contreras, Rodrigo (2007)The ability of a genotype to respond to changes in the environment through modifications in the phenotype is adaptive when the plastic genotypes attain a higher fitness than non-plastic genotypes. In this study we examine ...
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Pérez, F.; Arroyo, Mary T. K.; Medel Contreras, Rodrigo (2007)To assess whether floral integration patterns result from the action of pollinator selection on functionally related traits, we compared corolla integration patterns in eight Schizanthus species differing in pollination ...
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Fontúrbela, Francisco E.; Jordano, Pedro; Medel Contreras, Rodrigo (Elsevier, 2017)Most flowering plants depend on biotic pollination and seed dispersal for reproductive success. Pollination and seed dispersal are generalized mutualistic interactions, in which species with different effectiveness ...
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Medel Contreras, Rodrigo; González Browne, Catalina; Fontúrbel, F. E. (Blackwell Publishing Ltd, 2018)We conducted a systematic review of the scientific literature published on plant–pollinator interactions, from both the plant and pollinator perspective, in the Chilean Mediterranean-type ecosystem (MTE hereafter). Our ...
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Medel Contreras, Rodrigo; Botto Mahan, Carezza; Arroyo, Mary T. K. (Ecological Society of America, 2003)Mimulus luteus (Scrophulariaceae) is a perennial herb occurring in the South American Andes that shows a wide variation in the size and shape of a red spot on the lower lobe of the yellow flower. We describe the preference ...
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Murúa, Maureen; Espíndola, Anahí; González Vásquez, Alejandra; Medel Contreras, Rodrigo (Springer, 2017)Pollinator species are widely accepted as an important factor in plant reproductive isolation. Although mostly investigated in plants visited by different groups of pollinators (e.g., hummingbirds vs bees), few studies ...
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Medel Contreras, Rodrigo; Botto Mahan, Carezza; Smith Ramírez, Cecilia; Méndez, Marco; Ossa, Carmen G.; Caputo, Luciano; González, Wilfredo L. (2002)We present quantitative information on the natural history of a host-parasite interaction that consists on the holoparasitic mistletoe Tristerix aphyllus (Loranthaceae) and its cacti host species. More specifically, we ...
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Espinoza, Claudia L.; Murúa, Maureen; Bustamante Araya, Ramiro; Marín Briano, Víctor; Medel Contreras, Rodrigo (Sociedad de Biologia de Chile, 2012)The indirect impact of flower herbivory on plant reproduction depends on the pollination environment, particularly on the presence or absence of pollinator species with the ability to discriminate damaged from undamaged ...
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Martínez del Río, Carlos; Silva, A.; Medel Contreras, Rodrigo; Hourdequin, M. (1996)The relationship between mistletoes and birds has been studied from the perspectives of mutualism and seed dispersal. Here, we emphasize the role that avian dispersers play as agents of mistletoe seed transmission to plant ...
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Botto Mahan, Carezza; Campos, Verónica; Medel Contreras, Rodrigo (Wiley, 2017-05)The influence of parasites on host reproduction has been widely studied in natural and experimental conditions. Most studies, however, have evaluated the parasite impact on female hosts only, neglecting the contribution ...
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Caballero, Paula; Ossa, Carmen G.; Gonzáles, Wilfredo L.; González Browne, Catalina; Astorga, Guadalupe; Murúa, Maureen M.; Medel Contreras, Rodrigo (Springer, 2013)Nectar robbing may have an indirect negative effect on plant reproduction by discouraging legitimate pollinator species from visiting robbed flowers. In this study, we set up a 2 9 2 factorial design with nectar-robbing ...
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Kelt, Douglas A.; Cofré, Hernán; Cornelius, Cintia; Engilis, Andrew; Gutiérrez, Julio R.; Marquet, Pablo A.; Medel Contreras, Rodrigo; Meserve, Peter L.; Quirici, Verónica; Samaniego, Horacio; Vásquez Salfate, Rodrigo (Academic Press, 2016)© 2015 Elsevier Ltd. The avifauna of Chile is relatively depauperate, comprising 469 extant species, of which 213 are terrestrial. However, the Coquimbo Region presents a broad ecological transition from the hyperarid ...
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Medel Contreras, Rodrigo; González Browne, Catalina; Salazar, Daniela; Ferrer, Pedro; Ehrenfeld, Mildred (Royal Society, 2018-06)G. L. Stebbins' most effective pollinator principle states that when pollinators are not limiting, plants are expected to specialize and adapt to the most abundant and effective pollinator species available. In this study, ...
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Cuartas Hernández, Sandra; Medel Contreras, Rodrigo (Public Library of Science, 2015)Understanding the factors determining the spatial and temporal variation of ecological networks is fundamental to the knowledge of their dynamics and functioning. In this study, we evaluate the effect of elevation and time ...
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Fontúrbel, Francisco E.; Salazar, Daniela A.; Medel Contreras, Rodrigo (Elsevier B.V., 2017)© 2017 Elsevier B.V. Mistletoes rely on biotic seed dispersal to ensure their recruitment on appropriate host plants, as their seeds must be deposited on safe sites to allow attachment. As most host-parasite systems, ...