281 research outputs found

    Histoire urbaine de l’Orient romain tardif

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    Programme de l’annĂ©e 2013-2014 : I. Les sources de l’histoire du paysage urbain d’Antioche sur l’Oronte. — II. La loi de ZĂ©non sur la construction privĂ©e Ă  Constantinople (CJ VIII, 10, 12) : Ă©dition, traduction et commentaire

    Histoire urbaine de l’Orient romain tardif

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    Programme de l’annĂ©e 2016-2017 : I. Les sources Ă©crites de l’histoire de l’espace urbain : cartes mentales antiochĂ©ennes. — II. Droit et construction privĂ©e : autour de l’operis noui nuntiatio

    Histoire urbaine de l’Orient romain tardif

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    Programme de l’annĂ©e 2015-2016 : I. Construire dans l’Orient romain tardif : acteurs, contraintes, conflits. — II. Les sources Ă©crites de l’histoire de l’espace urbain dans l’Orient romain tardif

    Histoire urbaine de l’Orient romain tardif

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    Programme de l’annĂ©e 2014-2015 : I. Les sources de l’histoire de l’espace urbain au Levant dans l’AntiquitĂ© tardive. — II. Droit et espace urbain : la loi de l’empereur ZĂ©non sur la construction privĂ©e Ă  Constantinople (cf. Code de Justinien VIII, 10, 12)

    Aux limites du jardin : le droit et les limites du jardin dans le monde romain.

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    Ross Burns, Origins of the Colonnaded Streets in the Cities of the Roman East

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    Dans le prolongement des publications de W. L. MacDonald en 1986  et G. Bejor en 1999 , l’ouvrage de Ross Burns intitulĂ© Origins of the Colonnaded Streets in the Cities of the Roman East est consacrĂ© Ă  la genĂšse de la rue Ă  colonnades et Ă  la diffusion de ce type de rue dans l’Orient romain jusqu’au dĂ©but du iiie s. ap. J.‑C. Il s’organise en trois parties. La premiĂšre est consacrĂ©e aux traditions architecturales susceptibles d’expliquer l’apparition du type et aux cadres gĂ©nĂ©raux de l’amĂ©nag..

    Histoire urbaine de l’Orient romain tardif

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    Programme de l’annĂ©e 2019-2020 : I. Malalas et les villes de l’Orient romain. — II. Recherches sur l’espace urbain d’Antioche sur l’Oronte

    Distribution of cadmium in leaves of Thlaspi caerulescens

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    Knowledge of the intracellular distribution of Cd in leaves is necessary in order to understand the mechanisms of hyperaccumulation in Thlaspi caerulescens. Ganges and Prayon, two ecotypes accumulating Cd to different levels, were grown in nutrient medium containing varying concentrations (0, 5, 10, 50, and 100 ÎŒM) of Cd. Several different approaches were combined in this study to (i) validate the results obtained by a specific method and (ii) establish the link between observations and measurements performed at different scales. In both ecotypes, Cd, localized by autoradiography, was found mainly at the edges of the leaves, but also in points of higher concentration spread over the whole limb surface. This localization was clearly correlated with the necrotic spots observed on Prayon leaves. Scanning electron microscopy coupled with energy dispersive X-ray microanalysis (cryo-SEM-EDXMA) and tissue fractionation (apoplasm, cell walls, mesophyll protoplasts, and lower epidermis) showed that Cd had similar patterns of distribution in leaf cells of both ecotypes. Cadmium was found both inside the cells and in the cell walls, mainly in the large epidermal cells but also in small epidermal cells. All the methods used agreed well and the results indicated that metal storage in the plants studied involves more than one compartment and that Cd is stored principally in the less metabolically active parts of leaf cell

    Using nonhuman culture in conservation requires careful and concerted action

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    Discussions of how animal culture can aid the conservation crisis are burgeoning. As scientists and conservationists working to protect endangered species, we call for reflection on how the culture concept may be applied in practice. Here, we discuss both the potential benefits and potential shortcomings of applying the animal culture concept, and propose a set of achievable milestones that will help guide and ensure its effective integration existing conservation frameworks, such as Adaptive Management cycles or Open Standards
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