948 resultados para Virginia Historical and Philosophical Society.
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Beginning in 1924, Proceedings are incorporated into the Apr. number.
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Mode of access: Internet.
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[Vols. 11-20] called 4th ser., v. 1 (1870-71)-v. 10 (1889).
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Mode of access: Internet.
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Mode of access: Internet.
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"The manuscript of this work is in the library of the American philosophical society. It is a copy made by Mr. Duponceau, and forms no. xxvii of a collection made by him and recorded in a folio account book, of which it occupies pp. 114-119."--Pilling, Bibl. of the Algonquin languages, p. 227.
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Microfilmed for preservation
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Genetic variation at microsatellite markers was used to quantify genetic structure and mating behavior in a severely fragmented population of the wind-pollinated, wind-dispersed temperate tree Fraxinus excelsior in a deforested catchment in Scotland. Remnants maintain high levels of genetic diversity, comparable with those reported for continuous populations in southeastern Europe, and show low interpopulation differentiation (Theta = 0.080), indicating that historical gene exchange has not been limited (Nm = 3.48). We estimated from seeds collected from all trees producing fruits in three of five remnants that F. excelsior is predominantly outcrossing (t(m). = 0.971 +/- 0.028). Use of a neighborhood model approach to describe the relative contribution of local and long-distance pollen dispersal indicates that pollen gene flow into each of the three remnants is extensive (46-95%) and pollen dispersal has two components. The first is very localized and restricted to tens of meters around the mother trees. The second is a long-distance component with dispersal occurring over several kilometers. Effective dispersal distances, accounting for the distance and directionality to mother trees of sampled pollen donors, average 328 m and are greater than values reported for a continuous population. These results suggest that the opening of the landscape facilitates airborne pollen movement and may alleviate the expected detrimental genetic effects of fragmentation.
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Universidade Estadual de Campinas . Faculdade de Educação Física
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This book explains the international engagement with the Kosovo conflict from the dissolution of Yugoslavia to Operation Allied Force. It shows how Kosovo was deliberately excluded from the search for peace in Yugoslavia before going on to demonstrate how a shaky international consensus was forged to support air strikes in 1999. In doing so, it exposes many of the myths and conspiracy theories that have developed about the war and explains the dilemmas facing actors in this unfolding drama.