China's forests are characterized by young forest age,low carbon density and a large area of planted forests,and thus have high potential to act as carbon sinks in the future.Using China's national forest inve...China's forests are characterized by young forest age,low carbon density and a large area of planted forests,and thus have high potential to act as carbon sinks in the future.Using China's national forest inventory data during 1994-1998 and 1999-2003,and direct field measurements,we investigated the relationships between forest biomass density and forest age for 36 major forest types.Statistical approaches and the predicted future forest area from the national forestry development plan were applied to estimate the potential of forest biomass carbon storage in China during 2000-2050.Under an assumption of continuous natural forest growth,China's existing forest biomass carbon(C) stock would increase from 5.86 Pg C(1 Pg=1015 g) in 1999-2003 to 10.23 Pg C in 2050,resulting in a total increase of 4.37 Pg C.Newly planted forests through afforestation and reforestation will sequestrate an additional 2.86 Pg C in biomass.Overall,China's forests will potentially act as a carbon sink for 7.23 Pg C during the period 2000-2050,with an average carbon sink of 0.14 Pg C yr-1.This suggests that China's forests will be a significant carbon sink in the next 50 years.展开更多
探索利用以资源为基础的相对价值比率(Resource-based Relative Value Scale,RBRVS)、关键绩效指标等医疗行业热门的绩效评价工具,建立适合医院本地化发展的绩效管理体系,进一步完善绩效分配方案内容和考评方式,依靠大数据等信息化技术...探索利用以资源为基础的相对价值比率(Resource-based Relative Value Scale,RBRVS)、关键绩效指标等医疗行业热门的绩效评价工具,建立适合医院本地化发展的绩效管理体系,进一步完善绩效分配方案内容和考评方式,依靠大数据等信息化技术手段打造一套智能分析平台。该平台已成为医院绩效管理的有效工具,实现医院精细化管理,能够把员工精力集中到提高医疗技术及服务质量上去,转变服务模式,加强对患者的尊重程度,更好地为患者服务。展开更多
文摘China's forests are characterized by young forest age,low carbon density and a large area of planted forests,and thus have high potential to act as carbon sinks in the future.Using China's national forest inventory data during 1994-1998 and 1999-2003,and direct field measurements,we investigated the relationships between forest biomass density and forest age for 36 major forest types.Statistical approaches and the predicted future forest area from the national forestry development plan were applied to estimate the potential of forest biomass carbon storage in China during 2000-2050.Under an assumption of continuous natural forest growth,China's existing forest biomass carbon(C) stock would increase from 5.86 Pg C(1 Pg=1015 g) in 1999-2003 to 10.23 Pg C in 2050,resulting in a total increase of 4.37 Pg C.Newly planted forests through afforestation and reforestation will sequestrate an additional 2.86 Pg C in biomass.Overall,China's forests will potentially act as a carbon sink for 7.23 Pg C during the period 2000-2050,with an average carbon sink of 0.14 Pg C yr-1.This suggests that China's forests will be a significant carbon sink in the next 50 years.
文摘探索利用以资源为基础的相对价值比率(Resource-based Relative Value Scale,RBRVS)、关键绩效指标等医疗行业热门的绩效评价工具,建立适合医院本地化发展的绩效管理体系,进一步完善绩效分配方案内容和考评方式,依靠大数据等信息化技术手段打造一套智能分析平台。该平台已成为医院绩效管理的有效工具,实现医院精细化管理,能够把员工精力集中到提高医疗技术及服务质量上去,转变服务模式,加强对患者的尊重程度,更好地为患者服务。