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The modelling and representation of prehistoric hunter-gatherer behaviours is largely influenced by the investigation of sites with high archaeological visibility, due to the presence of large amounts of knapped lithics, which generally survive the ravages of time. As a consequence, behaviours which were not, or to a limited extent, associated with stone tools are underrepresented in archaeological narratives about hunter-gatherer lifestyles, which, however, have characterised most of the human past. Occasionally, at sites where preservation conditions are good, archaeological finds point to the importance of organic resources for tools and the manufacturing of a broad range of use items, such as clothing, footwear, containers, as well as tent covers and mats. In fact, it is highly likely that organic materials - e.g. wood, bark, bone, antler, hide - were dominant in the creation of material culture, and possibly played a pivotal role in sociocultural communication.The lack of attention for sites and phenomena associated with no or few lithics causes several problems with regard to archaeological insights into the variability in landscape use, technological traditions, and sociocultural interaction. This book presents a collection of articles which address these problems from several angles, with an emphasis on the Mesolithic of NW Europe: dwellings and activities associated with no or few lithics; variability in site location and landscape use, notably in relation to hunting and ethology of game species; and technological aspects of non-lithic material culture. The book intends to increase awareness of the consequences of the issues addressed for our understanding of the past, and boost research and heritage management initiatives in this field.
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Most owls are almost perfectly adapted to life in the dark. Their vaguely humanoid faces reflect the spectacular evolution of their hearing and vision, which has made flight, romance, and predation possible in the near absence of light. This accessible guide, full of intriguing anecdotes, covers all 19 species of owls occurring in North America. More than an identification guide, Field Guide to Owls of California and the West describes the biology and behavior of owls to make finding and identifying them easier and watching them more enjoyable. The guide also explores the conservation challenges that owls face and tells how owls provide insights to scientists working in fields from technology to health. * Color plates illustrate each species * Range maps show the western distribution of North America's owls, 14 of which occur in California * Offers tips for finding and watching owls * Gives information on how to design, place, and maintain nest boxes * Describes human attitudes toward owls through history, including in Native American cultures of the West
Owls --- american west. --- barn owl. --- barred owl. --- biology. --- body of an owl. --- burrowing owl. --- california natural history guides. --- california. --- conservation. --- evolution. --- finding owls. --- flammulated owl. --- great grey owl. --- great horned owl. --- life in the dark. --- life of an owl. --- long eared owl. --- native american culture. --- natural history. --- nest boxes. --- north american owls. --- northern pygmy owl. --- northern saw whet owl. --- northern spotted owl. --- owl behavior. --- owls and humans. --- owls. --- short eared owl. --- species. --- watching owls. --- western screech owl. --- zoology.
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Nature protection --- Birds --- Animal ethology and ecology. Sociobiology
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Het voorliggende rapport werd geschreven op vraag van de strategische cel van de Minister van Pensioenen. Het geeft een overzicht van het belang en de samenstelling van de gelijkgestelde periodes in de verschillende pensioenstelsels en dit zowel voor de recent gepensioneerden als voor de bevolking op actieve leeftijd.
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