Because fourth-generation (4G) mobile communications services are provided over refarmed and heterogeneous bands for the first time, a unified spectrum management regime fails to accommodate the spectral heterogeneity. In Taiwan, we still extend the 2G incumbents’ usage right on the 900MHz and...

Ecosystems provide a range of goods and services vital to the well-being of humans and other living things, as well as to the development of society. Along with natural resources, tangible and tradable in the market, they provide a series of intangible, non-marketable services that translate...

Japan's fish production volume in 2008 was 5.59million tons, it accounted for 4% of world's production and consisted of catch (4.40million tons) and aquaculture (1.19 million tons). For the far sea fishery, its' fishing grounds are in domestic and foreign countries' exclusive economic zone and...