Trade-off between tree planting and wetland conservation in China

编号 030035305

推送时间 20220725

研究领域 森林经理 

年份 2022 

类型 期刊 

语种 英语

标题 Trade-off between tree planting and wetland conservation in China

来源期刊 NATURE COMMUNICATIONS

期 第353期

发表时间 20220426

关键词 LAND-USE;  CLIMATE-CHANGE;  SURFACE-WATER;  SPATIOTEMPORAL DYNAMICS;  ECOLOGICAL RESTORATION;  VEGETATION CHANGES;  GLOBAL WETLANDS;  LOESS PLATEAU;  AFFORESTATION;  IMPACT; 

摘要 Afforestation and reforestation programs aimed at enhancing carbon sequestration may have unintended effects on non-forest ecosystems and biodiversity. Here the authors use remote sensing and land surface modelling to quantify trade-offs between tree planting and wetland conservation in China
Trade-offs between tree planting programs and wetland conservation are unclear. Here, we employ satellite-derived inundation data and a process-based land surface model (ORCHIDEE-Hillslope) to investigate the impacts of tree planting on wetland dynamics in China for 2000-2016 and the potential impacts of near-term tree planting activities for 2017-2035. We find that 160,000-190,000 km(2) (25.3-25.6%) of historical tree planting over wetland grid cells has resulted in 1,300-1,500 km(2) (0.3-0.4%) net wetland loss. Compared to moist southern regions, the dry northern and western regions show a much higher sensitivity of wetland reduction to tree planting. With most protected wetlands in China located in the drier northern and western basins, continuing tree planting scenarios are projected to lead to a > 10% wetland loss relative to 2000 across 4-8 out of 38 national wetland nature reserves. Our work shows how spatial optimization can help the balance of tree planting and wetland conservation targets.

服务人员 付贺龙

服务院士 唐守正

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