952 resultados para Digitale Revolution
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von Hans von Hentig
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Unterlage für diese Karte bilden in der Hauptsache Aufnahmen, die mit der Zweifach-Reihenbildkammer am 28. Juli 1931 in der Zeit von 6 Uhr 30 Min. MGZ. bis 9 Uhr 45 Min. aufgenommen worden sind. Außerdem sechs Aufnahmen mit der Handmeßkammer. Zur Ergänzung konnten 14 Aufnahmen der Panoramakammer herangezogen werden. Die Karte umfaßt einen nördlichen Teil vom Sund der Roten Armee bis zum Beginn des Matussewitsch-Sees mit einem Teil der Nordostküste und einen südlichen Teil mit Schokalski-Sund und dessen östlicher Begrenzung durch die Südinsel. Zwischen beiden Teilen der Karte klafft eine Lücke, hervorgerufen durch eine für die photographische Aufnahme undurchdringliche Nebeldecke.
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Following Daniel Ortega's victory in the presidential election held in November 2006, Nicaragua has been undergoing a transition from a democratic to authoritarian system. In the 1980s, Ortega served as President of the Sandinista government and implemented a Cuban-type socialist system, but the system failed and democracy was established during 1990-2007. Considering this failure, why did Ortega succeed in taking power again? This paper provides a brief history of modern Nicaragua and gives some insights into the twists of Latin American politics. The paper was prepared for the international seminar on Helping Failed States Recover: The Role of Business in Promoting Stability and Development, organized by the University of Kansas Center for International Business Education and Research (CIBER), held on April 4-6, 2007 in Lawrence. The opinions and views expressed herein are those of the author. All mistakes and/or errors are entirely the author's responsibility.
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The challenge to properly feed a world population of 9.2 billion by 2050, that must be achieved on essentially currently cropped area, requires that food production be increased by 70%. This large increase can only be achieved by combinations of greater crop yields and more intensive cropping adapted to local conditions and availability of inputs. Farming systems are dynamic and continuously adapt to changing ecological, environmental and social conditions, while achieving greater production and resource-use efficiency by application of science and technology. This article argues that the solution to feed and green the world in 2050 is to support this evolution more strongly by providing farmers with necessary information, inputs, and recognition. There is no revolutionary alternative. Proposals to transform agriculture to low-input and organic systems would, because of low productiv- ity, exacerbate the challenge if applied in small part, and ensure failure if applied more widely. The challenge is, however, great. Irrigation, necessary to increase cropping intensity in many areas cannot be extended much more widely than at present, and it is uncertain if the current rate of crop yield increase can be maintained. Society needs greater recognition of the food-supply problem and must increase funding and support for agricultural research while it attends to issues of food waste and over consumption that can make valuable reductions to food demand from agriculture
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