Research on eco-environmental effect of regional land system change 并列题名：Research on eco-environmental effect of regional land system change Research on ecological effects of regional land use change 并列题名：Research on ecological effects of regional land use change Reflect on the environmental law of response to climate change Research on carbon emission effects of land use change Research on eco-environmental cumulative effects in coal mining area based on GIS research on environmental design and cultural blending 并列题名：Reflect on the environmental law of response to climate change