منابع مشابه
Clumped distribution of oak leaf miners between and within plants
Leaf miners typically show non-random distributions both between and within plants. We tested the hypothesis that leaf miners on two oak species were clumped on individual host trees and individual branches and addressed whether clumping was influenced by aspects of plant quality and how clumping and/or interactions with other oak herbivores affected leaf-miner survivorship. Null models were us...
متن کاملElevated 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 کاملEffect of tree decline and slope aspect on the leaf morphological traits of Persian oak trees
This study was accomplished with the aim of investigating the effects of tree decline and slope aspect on leaf morphological traits and determining the indicator morphological traits that indicate the leaf diversity of Persian oak trees in relation to habitat conditions and environmental stresses in Mellah Siah forests of Ilam. Two forest habitats were selected on the northern and southern slop...
متن کاملFool's Haven
(Pp. 210. $2.75.). Boston, Mass.: House of Edinboro. 1953. THIS is a crusading novel by a former U.S. Army engineer and is concerned with a problem perhaps not so important here as in the United States, but one which the reviewer has encountered once. Laid in a technical college in Pasadena in 1930, it is concerned with a description of what happens when a self-appointed minister counsels again...
متن کاملNew Haven , Connecticut 06511
The rapid, degenerate 1,2-hydride shift in 2,3-dimethyl-2-butyl cation in stable solution in SbF5/ S02C1F was perturbed by deuterium and 13C leading to splittings observed by 13C NMR spectros copy over a range of temperatures. Accurate values for equilibrium isotope effects were obtained from these data. Theoretical calculations of the equilibrium isotope effects were performed using the Gauss...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1991
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay5406