摘要: The response of vegetation in northeast China to global warming would be the following: 1) the future alteration types of edificators could be divided into three types; 2) the plant populations would move northwards about 400-700 km and upwards 250-350m; 3) the distribution border of cultivated crops would change; 4) the phenological development of most plants would advance one season; 5) the productivity of main forest ecosystems would increase 7.65% and that of main agroecosystems would increase 36.4%.