Some Pacific Caves
نویسندگان
چکیده
منابع مشابه
Spiders from some Pacific Islands
KNOWLEDGE OF THE SPIDERS of the Pacific is largely the result of the work of Berland (1934, et. seqq.). He has published a number of papers dealing with the spiders of the New Caledonian and New Hebridean region; of Samoa; and of the Marquesas, Society, and Austral groups, and other islands in the southeastern Pacific. Recently I have completed a study of the spiders of Western Samoa (not yet p...
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The new spider genus and species Trogloraptor marchingtoni Griswold, Audisio & Ledford is described as the type of the new family Trogloraptoridae. The oblique membranous division of the basal segment of the anterior lateral spinnerets of Trogloraptor suggests that this haplogyne family is the sister group of the other Dysderoidea (Dysderidae, Oonopidae, Orsolobidae and Segestriidae). Troglorap...
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Karstic landscape is a specific heritage, where surface and underground are part of single landscape. Where underground (caves, shafts...) played an important role in the development of surface. Landscape where natural an anthropogenic processes worked hand in hand. Caves were often treated as being separate from the outside landscape, recorded in isolation form landscape which they are part of...
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except in a few extremely arid regions. Figure 1 shows the variety of sources for the water responsible for the development of caves. Most of the caves are dissolved by the movement of groundwater in contemporary drainage basins. In coastal regions, the mixing of fresh groundwater with saltwater produces an aggressive solution that can dissolve out caves. Some caves (for example, the large cave...
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Caves used in antiquity had multiple functions and often long use histories. While many were employed for shelter, some became ritual sites. Revitalized interest in caves in Mesoamerica combines archaeology, ethnography, ethnohistory, epigraphy, and osteology. The current, general anthropological study of caves offers exceptional insights into early Mesoamerican customs, ceremonies, and beliefs...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1897
ISSN: 0036-8733
DOI: 10.1038/scientificamerican01231897-56