Research progress on effects of climate change on ecological environment in Northwest China

Global change and terrestrial ecosystem are important content in recent global change researches. One of focuses on global change researches is the impact of climate change on terrestrial ecosystem. The impact of climate change on the ecological environment of Northwest China was reviewed generally. Through overall understanding and analyzing the impact of climate change on vegetation，biodiversity，wetland and water resources respectively, the paper also discussed response of the ecological environment of Northwest China with climate change and the existing problems, and proposed countermeasures against the impact of climate change on the ecological environment of Northwest China，based on recent research trends.