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Ecological Security Assessment is a new field in Sustainable Development study. In order to curb the deterioration of the ecological environment, we should conduct timely researches on the comprehensive evaluation of ecological security, which is recognized as the most powerful method to protect the regional economy effectively. Based on the sequence data of 1987, 2000 and 2005, the study takes Hebei...
Evaluation of land ecological safety plays an important role in regional economic development, reasonable land utilization and ecological construction. The paper constructed an evaluation indicator system of land ecological safety. The indicator system was composed of natural, economic and social elements. Then the paper established an evaluation model of land ecological safety based on ordered division...
The environmental, social and economic impacts of videoconferencing in the USA and Japan were evaluated and compared quantitatively. For this purpose we used a new index, named the ldquogross social feel-good (GSF) indexrdquo, which was developed for evaluating both the positive and negative effects of ICT services. The impacts of videoconferencing in the two countries were different especially as...
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