Among them, the amount of CH4 decreased, but that of CO2, N2O increased.The increase of GWP which is resulted by land-use change is one of important factors of region climate warming.

• 在过去几十年中，由于土地利用变化而导致温室气体排放的总变暖潜力增加，为三江平原气候变暖提供了佐证。