三月惊蛰又春分,柳丝如剪花如染。全面建成小康社会,一个不能少;共同富裕路上,一个不能掉队。脱贫攻坚是习近平总书记最为牵挂的事情,他曾多次表示:"我最牵挂的还是困难群众"。今年全国两会上,习近平总书记再次为脱贫攻坚工作把脉开方。《政府工作报告》指出,过去5年,脱贫攻坚工作取得决定性进展。然而,目前,我国仍有约3000万人口未实现脱贫。尚未脱贫的人口和地区,大多处于深度贫困,是贫中之贫、困中之困。脱贫
In the metropolises of China, the metro plays an increasingly important role in commuting because of its efficiency, affordability, and cleanliness. This paper attempts to explore the relationship bet
Soil seed banks can act as a potential seed source for natural revegetation and restoration. However, in a saline-alkaline grassland, it remains unclear how the stages of vegetation succession affect
This paper quantitatively analyzes the utilization efficiency of agricultural resources in Central Asia by calculating the consumption coefficient of the main resources, including arable land, water a
Northeast China is the region with the largest area of wetlands in China. The Sanjiang Plain and the Songnen Plain are large freshwater marsh distribution regions that are affected by climate warming
森林植被碳储量的空间分布格局及其动态变化是陆地生态系统碳收支核算的基础。作为森林地上生物量的重要指示因子,森林高度的精确估算是提高森林植被碳储量估算精度的关键。现有研究已证明,由专业星载摄影测量系统获取的立体观测数据可用于森林高度提取,但光学遥感数据最大的问题是受云雨等天气因素的影响严重。区域森林地上生物量产品的生产需要充分挖掘潜在数据源。国产高分二号卫星(GF-2)虽然不是为获取立体观测数据而设
In concert with developments in global trade and energy resource transportation, there has been a marked increase in reliance on overseas shipping. Unimpeded marine transportation has therefore become
Swidden agriculture is by far the dominant land use system in the uplands of Southeast Asia(SEA), as well as other tropical regions, which plays an important role in the implementation of Reducing Emi