Fluctuating asymmetry, leaf thickness and herbivory in Tibouchina granulosa: an altitudinal gradient analysis
نویسندگان
چکیده
منابع مشابه
Elevated CO2 decreases leaf fluctuating asymmetry and herbivory by leaf miners on two oak species
Fluctuating asymmetry (FA) represents small, random variation from symmetry in otherwise bilaterally symmetrical characters. Significant increases in FA have been found for several species of plants and animals in response to various stresses, including environmental and genetic factors. In this study, we investigated the effects of elevated CO2 on leaf symmetry of two oak species, Quercus gemi...
متن کاملLeaf litter decomposition and microarthropod abundance along an altitudinal gradient
Mass loss rates of three types of leaf litter were measured along an altitudinal gradient at the Coweeta Hydrologic Laboratory, Macon County, North Carolina. Litterbags containing air dried litter from Quercus prinus L., Liriodendron tulipifera L., and Rhododendron maximum L. were placed in five plots along the gradient and sampled monthly. Microarthropods were extracted and sorted, and litter ...
متن کاملHow reproducible are the measurements of leaf fluctuating asymmetry?
Fluctuating asymmetry (FA) represents small, non-directional deviations from perfect symmetry in morphological characters. FA is generally assumed to increase in response to stress; therefore, FA is frequently used in ecological studies as an index of environmental or genetic stress experienced by an organism. The values of FA are usually small, and therefore the reliable detection of FA requir...
متن کاملFluctuating Asymmetry
Fluctuating asymmetry refers to small random deviations from perfect symmetry in bilaterally paired structures; it is thought to reflect an organism’s ability to cope with genetic and environmental stress during development and its utility as an indicator of such stresses is based on the assumption that perfect symmetry is an a priori expectation for the ideal state of bilateral structures. Flu...
متن کاملAdaptive responses for seed and leaf phenology in natural populations of sessile oak along an altitudinal gradient.
We assessed the adaptive potential of seed and leaf phenology in 10 natural populations of sessile oak (Quercus petraea) sampled along two altitudinal transects using common garden experiments. Population differentiation for both phenological traits was observed with high-altitude populations germinating and flushing later than low altitude ones. However, high genetic variation and heritability...
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ژورنال
عنوان ژورنال: Arthropod-Plant Interactions
سال: 2017
ISSN: 1872-8855,1872-8847
DOI: 10.1007/s11829-017-9568-7