Results 71 to 80 of about 23,589 (220)
Un modèle de démographie bovine a été appliqué à des troupeaux de Baoulé, N'Dama, N'Dama x Baoulé et Zébu x Baoulé, en distinguant les troupeaux infectés de trypanosomes des troupeaux indemnes par leurs taux de mortalité et leurs taux de fécondité ...
Emmanuel Camus
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Peut-on parler d’une diaspora mexicaine aux États-Unis ?
Diaspora is a notion that could play heuristic functions. At least, if may allow researchers to surmount the traditional division between micro, mesa and macro scales, specitically tor studying contemporary international migrations.
Victor Zúñiga, Rubén Hernández-León
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Les auteurs décrivent les principes et le fonctionnement d'un recueil de données sur les performances individuelles des petits ruminants en systèmes traditionnels au Sénégal.
Olivier Faugère, B. Faugère
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Demographie und Lohnunterschiede [PDF]
Die Löhne von hoch- und geringqualifizierten Arbeitnehmern divergieren in den meisten Industrieländern seit den siebziger Jahren. Gemeinhin wird dies einer technologischen Entwicklung zugeschrieben, die geringqualifizierte Arbeit durch Kapital und ...
Sax, Christoph
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Energy Use in Agriculture : an Empirical Note on Technical Development and Ecological Loading [PDF]
Technical development in agriculture is largely dependent upon the interaction of labour productivity with demographie pressure on available arable land.
Conforti, P., Giampietro, M.
doaj
Démographie et urbanisation au Sahara algérien à l’aube du XXIe siècle
Since the 1950’s, the population of the Algerian Sahara continued to grow faster than the northern one. Therefore today, more than one Algerian in ten lives in the Sahara, against one in fifteen in the early 1960s.
Yaël Kouzmine, Jacques Fontaine
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Attitudes toward Policy on Ageing. Results of the Population Policy Acceptance Survey in Austria [PDF]
Like all modern societies Austria is faced with the process of demographic ageing. This paper concentrates on the question of how current policies in the field of old-age provision are being viewed and how Austrians envisage this issue for the future ...
Katarína Zigová, Peter Schimany
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Integration of livestock with crops in response to increasing population pressure on available resources [PDF]
A review of the trend of demographie movement in the Congo since the independence shows a growing urbanization. The number of people involved in farm activites have kept decreasing.
doaj
To the extent in which demographic change and selected resulting problems are considered in public, the specialist terms of demography are also losing their isolation. One such term is “carrying capacity”.
Wolfgang Weiß
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Demographie kein Rettungsanker - Kommentar [PDF]
Der Kommentar wendet sich gegen die verbreitete Erwartung, dass mit dem absehbaren Bevölkerungsrückgang eine Entlastung am Arbeitsmarkt eintreten wird. Die zunehmende Erwerbsbeteiligung von Frauen und die steigende Kostenbelastung durch künftig steigende
Schneider, Hilmar
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