10 research outputs found
Ptychomya Neuquén
132 specimens of Ptychomya from the Agrio Formation Lower Valanginian to lowest Barremian, Neuquén Basin, west-central Argentin
Performance in host cacti.
<p>Mean relative performance (and 95 % confidence intervals) for <i>D. buzzatii</i> (circles) and <i>D. koepferae</i> (triangles) reared in their natural hosts (<i>O. sulphurea</i> and <i>T. terschekii</i>) and an artificial novel host made with <i>Opuntia</i> tissue added with alkaloids extracted from the columnar <i>T. terschekii</i>.</p
Treatments Coefficients of Variance.
<p>Coefficients of variance (CVs) for a) increasing concentrations of the alkaloid fraction extracted from <i>T. terschekii</i>, b) increasing concentrations of the non-alkaloid fraction extracted from <i>T. terschekii</i> and c) the natural hosts and the novel artificial host for <i>D. buzzatii</i> (grey bars) and <i>D. koepferae</i> (black bars). Confidence intervals were estimated via bootstrap (see text).</p
Coefficient of Variation and Performance correlation.
<p>Association between the coefficient of Variation (CV) and the mean relative performance considering all treatments in <i>D. buzzatii</i> (circles) and <i>D. koepferae</i> (triangles). Linear trends are shown.</p
Performance as a function of concentration.
<p>Mean relative performance (and 95 % confidence intervals) as a function of concentration for a) <i>D. buzzatii</i> and b) <i>D. koepferae</i> reared in medium with the alkaloid fraction (black symbols) or the non-alkaloid fraction (white symbols) extracted from the columnar cactus <i>T. terschekii</i>. Linear trends are shown.</p
Performance scores and assessed traits.
<p>Mean values for each trait measured (and standard error) in each treatment and the corresponding performance index and coefficient of variation for both <i>D. buzzatii</i> and <i>D. koepferae.</i></p>a<p> <i>O. sulphurea</i> + alkaloids from <i>T. terschekii</i>.</p
Regression slopes of assessed traits.
<p>Slope values of regressions for each trait in both increasing fraction treatments (Alkaloids and Non- alkaloids concentrations) for both <i>D. buzzatii</i> and <i>D. koepferae.</i> Asterisks denote significant regressions (p<0.05).</p
CovMatrix Asymmetry component
Covariance matrix for the asymmetric component of shape obtained by conducting the Procrustes ANOVA procedure implemented in Morpho
CS - CS.txt
Values of the symmetric centroid size and the logarithm of the symmetric centroid size
CovMatrix Symmetric component
Covariance matrix for the symmetric component of shape obtained by conducting the Procrustes ANOVA procedure implemented in Morpho