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Subarachnoid lose blood secondary to be able to Brucella-induced cerebral aneurysm: an incident record.
From 2000 to 2018, in the Weihe River Basin all showed a fluctuating upwards trends. XL092 mw Among those services, water conservation and carbon storage had large increases, while habitat quality and soil conservation had small increases. The project had effectively improved ecosystem services in the Weihe River Basin, but the impacting intensity on ecosystem services varied from one geographical unit to another.Hainan Tropical Rainforest National Park has the most representative and largest contiguous tropical rainforest in China, which has advantages in exploring the realization mechanism of ecological product value in national parks. Based on the basic framework of "The Technical Guideline on Gross Ecosystem Product (GEP)", we constructed a GEP accounting system in line with the characteristics of tropical rain forest national park, and calculated the GEP of Hainan Tropical Rainforest National Park in 2019. The results showed that the GEP of Hainan Tropical Rainforest National Park in 2019 was 204.513 billion yuan, and the GEP per unit area was 0.046 billion yuan·km-2. Among all the service types, the value of material services was 4.850 billion yuan, accounting for 2.4% of the total GEP in the national park. The ecosystem regulation service value was 168.891 billion yuan, accounting for 82.6%. The value of cultural services was 30.772 billion yuan, accounting for 15.0%. Among different ecosystem types, the unit area value of the tropical rain forest ecosystem represented by mountain rain forest, lowland rain forest, deciduous monsoon forest, and tropical cloud forest was much higher than that of plantation or other ecosystems, indicating the dominant role of tropical rain forest ecosystem in providing ecosystem services. In addition, based on the GEP accounting results of the national park, we put forward relevant suggestions for further exploring the realization path and realization mechanism of ecological product value.It is of great significance to link ecosystem and rural household welfare, with the aim to develop different strategies of rural household livelihood management and regional sustainable deve-lopment. Based on 1754 questionnaires of rural households in Beijing and Hebei within the upstream watershed of Miyun Reservoir, we analyzed the relationships between rural household welfare (defined by total income per rural household) and ecosystem reliance (expressed by an index of dependence on ecosystem services) by statistical and econometric methods. The relationships between rural household welfare and ecosystem reliance could be classified into four types, but with significant differences between Beijing and Hebei within the watershed. The rural household type of high welfare and low dependence had the highest proportion (33.9%) in Beijing. The average annual income and livelihood capitals of rural households in Beijing was significantly higher than that of Hebei Province. In Hebei Province, the dominant type was low welfare and high dependency (39.1%) that was the least popular one. The quality of human capital quality, social capital, and financial capital, which were crucial to human well-being, were significantly lower than that of Beijing households. The income of rural households in Hebei mainly depended on agricultural production (41.2%), which led to higher land utilization intensity. The natural resource and human capital quality significantly influenced rural household livelihood in Hebei. Maintaining suitable family size and age structure, improving education and skill levels, and strengthening payment for ecosystem services within low welfare households would be the key to form a good relationship between ecosystems and household welfare (the type of high welfare and low dependency).With the continuous development of China's society and economy, the breadth and depth of cultivated land resources development and utilization have been continuously expanded, while the production efficiency and scale of cultivated land gradually have been improved. There were rapidly increases of carbon emission induced from cultivated land management, such as the agricultural inputs and energy consumptions. Taking carbon emission from cultivated land utilization in Northeast China as the research object, we determined the carbon emission accounting framework system according to the life cycle method. Based on estimation results of carbon emissions from 1979 to 2015 in Northeast China, the driver factor system affecting agricultural carbon emissions was constructed using logarithmic mean Divisia index model and the influence mechanism of cultivated land carbon emissions in Northeast China was deeply explored. The results showed that total carbon emission from cultivated land utilization in 2015 was 21.9% higher than that in 1979 and carbon emission intensity in 2015 was 1.54 t·hm-2 lower than that in 1979. Soil management and agricultural inputs were the main sources of carbon emissions from cultivated land accounting for 83.6% of the total carbon emissions. The increases of land productivity and science and technology fund allocation rate were found to be the driving factors of carbon emission from cultivated land utilization. On the contrary, the reduction of input/output ratio, cultivated land area per capita and intensity of science and technology investment decreased carbon emission from cultivated land utilization.Facility agriculture, a typical agricultural production management mode, could affect carbon cycle due to its unique production environmental conditions and highly intensive utilization. With the five main sources as accounting objects, including agricultural film investment, energy consumption, pesticide and fertilizer application, CO2 fertilizer application, and facility soil, we estimated the amount and intensity of carbon emission of three facility agriculture (continuous greenhouse, solar greenhouse, and plastic greenhouse) in 31 provinces in 2018. The results showed that the total carbon emission of facility agriculture in China was 210.3817 million t CO2e, with the three facility agriculture types of plastic greenhouse, solar greenhouse, and continuous greenhouse accounting for 60.2%, 37.4% and 2.4%, respectively. Carbon emission of facility agriculture was mainly contributed by soil greenhouse gas, agricultural film and supplies investment. Carbon emission per unit area of continuous greenhouses was significantly lower than that of solar and plastic greenhouses. The scientific capital allocation rate and facility agriculture scale were the two main factors influencing the carbon emission in facility agriculture. Based on all the results, we presented the carbon emission reduction path from the three perspectives of improving the scientific investment, material consumption utilization rate, and facility area utilization rate of facility agriculture.It is of great significance to clarify the decoupling relationship among resource consumption, environmental pollution, and economic growth, and to uncover the driving mechanism within the relationship for Fujian Province, one of the national ecological civilization construction demonstration zones. By constructing the "water-energy-carbon" resource and environment input-output model, we analyzed the industrial "water-energy-carbon" resource and environment pressure in Fujian Province. On the basis of the decoupling theory and Logarithmic Mean Divisia Index method, we explored the decoupling among resource consumption, environmental pollution, and economic growth and detected driving factors behind the decoupling state in various industries. The results showed that resource and environmental pressure state dominated by virtual water in Fujian Province had shifted to the multi-dimensional resource and environmental pressure state dominated by implied carbon from 2002 to 2017. There were distinctive differences among various industries. From the perspective of industry sectors, there was a relatively high direct resource and environmental pressure in the production and supply sector, as well as a more distinguishing indirect resource and environmental pressure in the manufacturing sector. The decoupling state generally appeared reasonable, mainly in weak decoupling and strong decoupling states. The economic and population effects were the two main factors inhibiting the decoupling sate, while the technical and structural effects promoted the decoupling state.Carrying out the accounting of ecological system gross ecosystem product (GEP) is a necessary measure to promote the construction of ecological civilization system and an important measure for the integration of ecological benefits into the economic and social development evaluation system. Taking Fuzhou City as the object, we constructed an ecosystem value accounting system with the characteristics of "mountain, sea, and city" to calculate the GEP of Fuzhou City in 2015 and 2018, and compared them from the perspective of temporal and spatial changes. The results showed that the GEP of Fuzhou in 2015 and 2018 was 920.592 and 1047.242 billion yuan, respectively. The per capita GEP in 2015 and 2018 was 130200 and 143900 yuan, the supply service value of ecological products was 94.181 and 110.261 billion yuan, the value of ecological regulation was 636.42 and 598.851 billion yuan, and the service value of ecological culture was 189.991 and 338.13 billion yuan, respectively. Compared with that in 2015, the GEP of Fuzhou City in 2018 increased by 126.65 billion yuan, with an increase of 13.8%, which was mainly due to the increases in ecological product supply service and cultural service. The value of ecological regulation services decreased by 37.569 billion yuan, with a reduction of 5.9%, which was mainly due to the decreases in climate regulation, water flow regulation and water purification services. Fuzhou City took the lead in exploring the establishment of accounting system with the characteristics of "mountain, sea, and city", which could provide a "Fuzhou model" for the accounting work of other cities in Fujian Province and other regions in China, and promote the establishment of a long-term mechanism for realizing the value of ecological products.Wetland plays an important role in ecological protection and social development. Scientific and rational evaluation of the values of wetland ecosystem service is the basis of protection and sustainable utilization of wetland resources. How to scientifically and effectively assess the wetland ecosystem gross ecosystem product (GEP) and make it into the national GDP accounting system are the focus of the scientific community and government departments. In this study, the accounting framework of wetland ecosystem GEP was constructed. Based on multi-source data and from the aspects of function and value, the accounting of wetland GEP in Fuzhou City was carried out. The results showed that the GEP of wetland ecosystem in Fuzhou City was 239.23 billion yuan in 2015. Such value mainly came from the ecological regulation service value (157.869 billion yuan), which accounted for 66.0% of the total and was about 2.2 and 15.6 times of the product supply service value and cultural service value. Among the ecological regulation services of wetlands, hydrodynamic regulation service and climate regulation service were the highest.
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