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作业代写:Aquatic ecosystem

2018-03-29 来源: 51due教员组 类别: Essay范文

下面为大家整理一篇优秀的essay代写范文- Aquatic ecosystem,供大家参考学习,这篇论文讨论了水生态系统。如今,由于大规模开采地下水、用水不节制、水污染严重等一系列问题,使水资源量明显减少,水生态系统遭到严重破坏,所以必须要采用新的治水理念保护和修复水生态系统。可持续发展强调的是人与自然的和谐,不论是开发、利用、治理、还是节约配置、保护等各个环节都是为了资源的可持续利用。

Aquatic ecosystem,水生态系统,essay代写,paper代写,北美作业代写

Water pollution is an important aspect of tension of water resource in China, according to the survey of water conservancy department, 700 large and medium sized rivers in China nearly 100000 km long river, for a third of the river polluted, more than 90% of urban water pollution is serious, 40% of the surface water due to pollution and not as a source of drinking water, in addition, 50% of the underground water also contaminated. Currently 64% of people are using unqualified water, all kinds of industrial and living sewage wanton emissions, not only serious damage to the environment, at the same time, make a lot of fresh water resources become worthless due to sewage mixed with waste water, further analyses the present situation of the shortage of water resources.

And uneven distribution of water resources in an increasingly tense form contrast, currently, on the problems in the utilization of water resources, the country still has serious waste phenomenon, most agricultural irrigation area still adopts the traditional flood irrigation, industrial water cycle utilization rate is not high, water waste still can not get good control, people's water saving consciousness still did not get effective reinforcement, the above problems to have very limited water resources are stretched.

Due to excessive development, causes the environment destroyed, the frequency and scope of the el nino year after year to increase and expand, the phenomenon of continuous drought in the region of northern China in recent years occurred in a row, the serious shortage of some rivers and underground water supplies, and due to water shortage, and intensified desertification in some parts of the process of soil aggregates water capacity is greatly reduced, so that further reduce evaporation, so a vicious circle, make the water resource situation increasingly serious, in the Yellow River, for example: cut-off date in advance year by year in recent years, cutoff time also increased year after year.

We should focus on strengthening water conservation, improving water use efficiency and protecting water resources. Around according to the local water resources carrying capacity, water environmental carrying capacity and economic social development, formulate scientific and reasonable water quota, we will accelerate the establishment of a macro control and quota management of combining with water saving water management system, promote the construction of water-saving society, to implement water licensing system as the main way, and actively carry out pilot work of the initial water right distribution, gradually establish a system of paid use of water resources.

Water resources management problem is very complicated, it involves many departments and industry, involving the interests of the different places, pollution, ecology, water saving interweave each other, if the future of the integrated management in the field of progress through discussion, this will help boost to our future work.

Modern water conservancy is different from traditional water conservancy, so the effect is very different after implementation. Traditional water conservancy has not integrated sustainable development into its management system, so it often causes the deterioration of ecological environment, environment and waste of resources. And the starting point of modern water conservancy is using scientific attitude, utilizing the means such as engineering measures and non-engineering measures, give full play to the function of water resources, environmental and ecological functions, to realize the sustainable development of basin water resources and economic society.

Sustainable development emphasizes the harmony of man and nature, the sustainable utilization of resources, the modern water conservancy from resource water conservancy this point of view, whether it is a development, utilization, management, or configuration saving, protection and so on each link is to the sustainable use of resources. Modern water conservancy construction, river management, flood control and disaster reduction, dam building, river basin concept is for the harmony between man and nature, ecological balance.

The problem of modernization of water conservancy is that the United States, Japan and other developed countries have developed and developed after the economic development to a certain level. However, China's economic and social development should also gradually realize the modernization of water conservancy. First of all, we need to guide the development of water conservancy infrastructure in accordance with the guidelines for water control and the new ideas for water control. Enhance the capacity of water conservancy and flood control, and lay a solid material foundation for the modernization of water conservancy. Secondly, we should make some changes in the traditional concept of water control and water control. It is necessary to make a breakthrough in the water conservancy practice in the new period. Third, we will break through the traditional thinking on water management and make full use of scientific and technological progress to push forward the process of water conservancy informationization, and promote the modernization of water conservancy through water conservancy informatization.

We will do a good job in water conservancy planning in the new period. First requires that we adhere to the correct water conservancy policy, development of water conservancy to adhere to the comprehensive planning, overall consideration, and symptoms, the principle of comprehensive treatment, must adhere to the policy of water conservancy planning plan. Secondly, we should pay close attention to the adjustment of planning work, and pay attention to the close relationship between water conservancy and economic society. Achieve the water environment and the economic and social coordinated development, the development of water conservancy planning, arrangement of water conservancy project, must carefully analyze the whole river basin and local practice, in accordance with requirements of the local economic and social development, formulate scientific conform to the planning of local actual, make scientific plans. In the work of water conservancy planning, we should highlight the scientific and technological content of water conservancy work, and promote the modernization of water conservancy with water conservancy informatization.

Practice people and flood in harmony. Both urban and rural construction and economic development should consider floods, and the implementation of flood control and disaster relief and water storage and drought relief and the improvement of ecological environment. The practice of flood control and flood fighting for ever, the current need special emphasis on revision of the flood control plan is perfect, how much to how many parties, reservoir water storage, water channel can go how many, where water diversion, to make it clear and operable. It is necessary to establish the database of flood control works and the social and economic data base to realize the sharing of resources, carefully manage the reservoirs, and vigorously promote the construction of levees so as to better carry out flood control work.

The current situation of drought resistance and put forward the higher request, from the practice, drought relief and water conservancy infrastructure is still insufficient, many parts of the current drought fighting work still use the traditional model, the lack of emergency countermeasures. We should pay attention to and actively explore and propose new policies, such as adjusting agricultural planting structure and promoting new irrigation methods to solve the drought problem. In flood control and drought relief work, we must constantly update our ideas, develop innovative work, keep pace with The Times, so as to better adapt to the development and requirements of the new situation.

In order to adapt to the current water resources development present situation, our country should vigorously develop for water conservancy and development team to further improve the system reform of water resources industry in China, thus ensuring water ecosystem balance and the sustainable development of water resources.

Education of water conservancy talents should change from traditional personnel management to holistic and systematic talent resource development and management. In comprehensively improve the overall quality of existing staff team at the same time, pay attention to talent use and every link of education and training, education and talent to use training on the quantity and quality of the relationship, do both quantity and quality, and given priority to quality. Steadily in the premise of constantly improve the quality of talents, to increase the number of personnel, as well as deepening the reform of personnel distribution system, in accordance with the requirements of system innovation and mechanism innovation, and create a talent with education and training a good external environment.

Education training for water conservancy talents must be closely combined with the actual development of water conservancy projects, and the water management thinking and central work determined by the party group shall be carried out in accordance with different objects and requirements. We should pay attention to the practical application of theory and practice. We should teach students according to their needs, teach them according to their needs, and improve the professional skills and practical work ability of water conservancy workers.

In the development of talent but also pay attention to quality and actual effect principle, development and use of the principle of combining, highlight the key principles of collaboration, only in this way can strengthen the leadership and improve the institutions, formulate the corresponding policy and full implementation of the cadre system reform, to continue to promote the development of water resources projects of each work, to ensure the coordination of water ecosystem and water resources and sustainable development.

Above all, we want to use in the future new water-control concept to protect and repair the water ecological system, strengthen the leadership be mobilized, enhance the water suffering consciousness of the whole society, water goods and precious little water, water saving and water conservancy. Human survival needs a good ecological environment. Only by maintaining a favorable water ecological environment can the sustainable development of the global economy and society be guaranteed.

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