Adaptive plasticity to heterogeneous environments increases capacity for division of labor in the clonal invader Carpobrotus edulis (Aizoaceae)

Adaptive plasticity to heterogeneous environments increases capacity for division of labor in the clonal invader Carpobrotus edulis (Aizoaceae)

• Premise of the study: Clonality has been proposed as an important mechanism favoring plant invasions, but few studies have been conducted to determine the role of clonal traits on successful invaders. An interesting trait associated with clonality is the capacity for division of labor. Division of...

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Veröffentlicht in:American Journal of Botany. - Botanical Society of America, Inc.. - 101(2014), 8, Seite 1301-1308
1. Verfasser: Roiloa, Sergio R. (VerfasserIn)
Weitere Verfasser: Rodriguez-Echeverria, Susana, Lopez-Otero, Aaron, Retuerto, Ruben, Freitas, Helena
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:American Journal of Botany
Schlagworte:Biological sciences Business Physical sciences
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100 1 |a Roiloa, Sergio R.  |e verfasserin  |4 aut 
245 1 0 |a Adaptive plasticity to heterogeneous environments increases capacity for division of labor in the clonal invader Carpobrotus edulis (Aizoaceae) 
264 1 |c 2014 
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520 |a • Premise of the study: Clonality has been proposed as an important mechanism favoring plant invasions, but few studies have been conducted to determine the role of clonal traits on successful invaders. An interesting trait associated with clonality is the capacity for division of labor. Division of labor requires a negative spatial correlation between the availabilities of two essential resources and ramet specialization for locally abundant resources to increase the overall performance of the clone. We hypothesized that the capacity for division of labor in the clonal invader Carpobrotus edulis will be selected in those clones from patchy environments where this trait could be an advantage. • Methods: Morphological and physiological division of labor was compared between clones from coastal sand dunes (where nutrients and light show a negative spatial covariance) and from rocky coasts (where nutrients and light are homogenously distributed). • Key results: Clones from coastal sand dunes showed a greater capacity than clones from rocky coasts for division of labor. Specialization for abundance was found at the morphological (biomass allocated to roots) and the physiological (photochemical efficiency) level. • Conclusions: The greater ability for division of labor in the patchy environment where the presence of this trait would be more beneficial demonstrates the existence of local adaptation and suggests that rapid evolution in clonal traits could be contributing to the success of the invader C. edulis. This study is one of the few showing that division of labor is under selection and is the first reporting adaptive division of labor of an aggressive invader. 
540 |a Copyright 2014 Botanical Society of America, Inc. 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Habitats 
650 4 |a Business  |x Business economics  |x Commercial production  |x Productivity  |x Division of labor 
650 4 |a Physical sciences  |x Earth sciences  |x Geography  |x Geomorphology  |x Landforms  |x Aeolian landforms  |x Sand dunes 
650 4 |a Biological sciences  |x Ecology  |x Ecological processes  |x Ecological competition  |x Interspecific competition  |x Ecological invasion 
650 4 |a Biological sciences  |x Biology  |x Biological taxonomies  |x Species  |x Introduced species  |x Invasive species 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Plant ecology 
650 4 |a Biological sciences  |x Ecology  |x Aquatic ecology  |x Marine ecology  |x Coastal ecology 
650 4 |a Biological sciences  |x Biology  |x Genetics  |x Population genetics  |x Ecological genetics 
650 4 |a Biological sciences  |x Biology  |x Genetics  |x Genotypes 
650 4 |a Biological sciences  |x Biochemistry  |x Biomolecules  |x Biological pigments  |x Chlorophylls  |x Ecology 
655 4 |a research-article 
700 1 |a Rodriguez-Echeverria, Susana  |e verfasserin  |4 aut 
700 1 |a Lopez-Otero, Aaron  |e verfasserin  |4 aut 
700 1 |a Retuerto, Ruben  |e verfasserin  |4 aut 
700 1 |a Freitas, Helena  |e verfasserin  |4 aut 
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