and economic development in developing countries. eventually it is said to deepen structure of inequality ... Korea and Japan disputed about a fishery zone. all this kinds of situation can be called 'conflict'. ... As for the developed countries, trade-related environmental problems of the world in general should be
structure(2) environmental change through time and community structure and function(3) productivity ... (2) hypotheses relating the effects of size-dependent predation to community structurerequirement for ... Introductionstudies included by food-web frame work(1) habitat heterogeneity and the regulation of community