Subterranean ant nests: trace fossils past and future?
نویسندگان
چکیده
منابع مشابه
Subterranean ant nests: trace fossils past and future?
Many species of ants excavate complex, species-typical nests in soil. The basic structural units of many nests are descending tunnels connecting flattened, generally horizontal chambers of oval to lobed outline. The species-typical structure of many nests results from variation in the size, shape, number and arrangement of these basic elements. Nest architecture can be rendered by filling subte...
متن کاملMethods for Casting Subterranean Ant Nests
The study of subterranean ant nests has been impeded by the difficulty of rendering their structures in visible form. Here, several different casting materials are shown to make perfect casts of the underground nests of ants. Each material (dental plaster, paraffin wax, aluminum, zinc) has advantages and limitations, which are discussed. Some of the materials allow the recovery of the ants ento...
متن کاملThe architecture of subterranean ant nests: beauty and mystery underfoot
Over the 100 million years of their evolution, ants have constructed or occupied nests in a wide range of materials and situations. A large number of ant species excavate nests in the soil, and these subterranean nests have evolved into a wide range of sizes and architectures. On the basis of casts made of such nests, this variation and the patterns that govern it are described. The possible fu...
متن کاملA method for using ice to construct subterranean ant nests (Hymenoptera: Formicidae) and other soil cavities
Burial of a nest formed of ice in the shape of a subterranean ant nest forms an underground facsimile of a nest after melting. Any desired level of similarity to natural ant nests can be achieved. Such nests can be used as tools for the study of ant nest architecture, or to provide ready homes for study colonies.
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Temperament (Mizaj), as an individual factor, has great importance in traditional medicine and its use in diagnosis and treatment of diseases, as well as the individual lifestyle is very common. Since medicine moves toward Personalized Medicine, the root of individual differences will find its position in different aspects of medicine in early future. In traditional medicine, temperament is ...
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ژورنال
عنوان ژورنال: Palaeogeography, Palaeoclimatology, Palaeoecology
سال: 2003
ISSN: 0031-0182
DOI: 10.1016/s0031-0182(02)00690-9