منابع مشابه
MHC Genotype and Ornamentation
Differences among males in immunocompetence can affect resistance to parasites and diseases, and sexual ornaments have been suggested to function as indicators of additive genetic variation in disease resistance, health and condition in the good gene models of sexual selection. In this paper the role of genetic variation in the immune system is discussed as an alternative route to explore wheth...
متن کاملToward Procedural Decorative Ornamentation in Games
Castles, palaces, temples and cathedrals in the real world are densely decorated with ornamentation. Computer games, in contrast, usually have much less and appear Spartan in comparison. Game worlds, whether hand-made or procedural, require greater decorative ornamentation to increase their realism and beauty. Currently artists create this ornament by hand; this doesn’t scale. In order to have ...
متن کاملOrnamentation detection using COSFIRE filters
Ornamentations in music play a significant role for the emotion which a performer or a composer aims to create. The automated identification of ornamentations enhances the understanding of music, which can be used as a feature for tasks such as performer identification or mood classification. Existing methods rely on a pre-processing step that performs note segmentation. We propose an alternati...
متن کاملIs UV ornamentation an amplifier in swordtails?
Do distinct male morphs use the same ornaments in different ways? Female preference for UV ornamentation and male activity was examined in two different male size classes of the swordtail Xiphophorus nigrensis: intermediate and large. UV ornamentation is preferred by females for both size classes, while high male activity is not. Large males have significantly greater intensity and saturation o...
متن کاملGrowth and male ornamentation in Xiphophorus montezumae
Juvenile growth rate is an important life-history trait that affects the size at maturity, and may influence the development of sexual ornamentation. The sword of several species of the genus Xiphophorus (Teleostei: Poeciliidae) is an elaborate secondary sexual trait that confers an advantage in terms of sexual selection, counterbalanced by locomotive and predatory costs. This study assesses di...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1885
ISSN: 0036-8733
DOI: 10.1038/scientificamerican09191885-183