Dr. Gruntzig et al. （1979） successfully completed the world＇s first percutaneous coronary intervention （PCI）, a percutaneous transluminal coronary angioplasty （PTCA）, in 1977. The first reported PTCA in China w...Dr. Gruntzig et al. （1979） successfully completed the world＇s first percutaneous coronary intervention （PCI）, a percutaneous transluminal coronary angioplasty （PTCA）, in 1977. The first reported PTCA in China was in 1984. With the development of PCI techniques, while more and more patients have benefited, there are ongoing challenges as well.展开更多
There have been an increasing number of studies on climate change and population health over the past 20 years,with most focusing on health risk assessment,targeting different locations and populations with various di...There have been an increasing number of studies on climate change and population health over the past 20 years,with most focusing on health risk assessment,targeting different locations and populations with various diseases[1−2].While these studies have provided the necessary epidemiological evidence for health authorities in policymaking,it is time to develop and implement tailored health interventions to protect the health and well-being of communities,and particularly that of vulnerable groups.展开更多
Introduction:Community perception plays a significant role in rangeland resource management.Traditional rangeland management practices by the pastoral communities are based on accumulated knowledge in connection to th...Introduction:Community perception plays a significant role in rangeland resource management.Traditional rangeland management practices by the pastoral communities are based on accumulated knowledge in connection to their local environment.Pastoralism played a vital role in food production and sustaining its inhabitants in arid environment for millennia.However,national policies and development interventions in East African pastoral systems have often overlooked pastoralism while centered on the modernization of agricultural sector for economic development and poverty reduction.Methods:We used household survey,focus group discussion,key informant interview,and individual questionnaire to understand the perceptions and attitude of Afar pastoralists towards rangeland resource use and conservation practices,as well as impacts of development intervention on traditional rangeland resource use and conservation practices.The data were analyzed using index ranking and descriptive statistics.Results:The results showed that livestock holding per household was higher on average(22.90±2.27 Tropical Livestock Unit(TLU))in the non-intervened woreda than in the intervened woreda(8.30±3.85 TLU).Respondents mentioned that livestock productivity was adversely affected by a number of factors such as invasion of Prosopis juliflora(Dergi Hara),shrinkage in the capacity of rangelands(Beadu and Bebea’),and recurrent droughts.Scarcity of grazing resources attributed to the invasion of Dergi Hara and drought created livestock feed crisis with strong implication on the livelihood of pastoralists.Our results showed that the traditional resource management practices such as mobility,herd splitting,and diversification had a role to contribute to the improvement of rangeland management and conservation of biodiversity.Traditional rules and seasonal-based grazing patterns of riversides during drought were perceived as key elements for rangeland resource management and conservation of rangeland resources in the study area.Conclusions:Communities’perception showed that the traditional practices of rangeland management systems are effective and environmentally sustainable.In contrast,inappropriate development interventions put rangelands under severe pressure.Although development interventions were aimed at improving the condition of Afar rangeland,they could not bring any enduring solution in terms of improvement of rangeland resources.展开更多
基金Project (No.2006BAI01A02) supported by the National Science and Technology Pillar Program of the 11th five-year Plan,China
文摘Dr. Gruntzig et al. （1979） successfully completed the world＇s first percutaneous coronary intervention （PCI）, a percutaneous transluminal coronary angioplasty （PTCA）, in 1977. The first reported PTCA in China was in 1984. With the development of PCI techniques, while more and more patients have benefited, there are ongoing challenges as well.
文摘There have been an increasing number of studies on climate change and population health over the past 20 years,with most focusing on health risk assessment,targeting different locations and populations with various diseases[1−2].While these studies have provided the necessary epidemiological evidence for health authorities in policymaking,it is time to develop and implement tailored health interventions to protect the health and well-being of communities,and particularly that of vulnerable groups.
文摘Introduction:Community perception plays a significant role in rangeland resource management.Traditional rangeland management practices by the pastoral communities are based on accumulated knowledge in connection to their local environment.Pastoralism played a vital role in food production and sustaining its inhabitants in arid environment for millennia.However,national policies and development interventions in East African pastoral systems have often overlooked pastoralism while centered on the modernization of agricultural sector for economic development and poverty reduction.Methods:We used household survey,focus group discussion,key informant interview,and individual questionnaire to understand the perceptions and attitude of Afar pastoralists towards rangeland resource use and conservation practices,as well as impacts of development intervention on traditional rangeland resource use and conservation practices.The data were analyzed using index ranking and descriptive statistics.Results:The results showed that livestock holding per household was higher on average(22.90±2.27 Tropical Livestock Unit(TLU))in the non-intervened woreda than in the intervened woreda(8.30±3.85 TLU).Respondents mentioned that livestock productivity was adversely affected by a number of factors such as invasion of Prosopis juliflora(Dergi Hara),shrinkage in the capacity of rangelands(Beadu and Bebea’),and recurrent droughts.Scarcity of grazing resources attributed to the invasion of Dergi Hara and drought created livestock feed crisis with strong implication on the livelihood of pastoralists.Our results showed that the traditional resource management practices such as mobility,herd splitting,and diversification had a role to contribute to the improvement of rangeland management and conservation of biodiversity.Traditional rules and seasonal-based grazing patterns of riversides during drought were perceived as key elements for rangeland resource management and conservation of rangeland resources in the study area.Conclusions:Communities’perception showed that the traditional practices of rangeland management systems are effective and environmentally sustainable.In contrast,inappropriate development interventions put rangelands under severe pressure.Although development interventions were aimed at improving the condition of Afar rangeland,they could not bring any enduring solution in terms of improvement of rangeland resources.
