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Grassland ecosystems on the construction of water conservancy Security System

Erect market-oriented,[link widoczny dla zalogowanych], technology-based company with base, the base with herdsman, species, support, and Canada, one of the industry sales management system. So as to rely on policy and technology to increase productivity, thereby increasing the income of herdsmen and improve the living standards of pastoralists. 3 surrounding the restoration of grassland ecosystems, the establishment of water protection system. To achieve harmonious coexistence between man and nature destruction of grassland ecosystems is mainly overgrazing and irrational exploitation of water resources caused by the Inner Mongolia grassland degradation, desertification, River, Heihe and Shiyang River Basin grassland degradation, desertification is a strong evidence. Meanwhile, some studies have proved that in more than 200 ~ 350FfU'II rainfall of grassland area, through scientific development and utilization of water and grass resources (including water, soil, gas, heat, etc.) can achieve harmony between man and nature . In other words, the region's water, grass and other resources through scientific transformation of the system without affecting the ecological balance of the premise, to meet the existing material and cultural needs of the population (not a simple food and clothing, but a well-off or better off life), where the ecosystem and people are in a dialectical unity of ecosystems are the basis for human survival, in the case of eco-system balance, people can better live. Maintenance of ecosystem water balance is the most active factor, water is a healthy ecological system in arid areas of the most important logistics systems, in the long process of evolution,[link widoczny dla zalogowanych], a certain spatial and temporal distribution of water resources law. In water security system in the first to correctly understand and take advantage of this law, to establish the interdependence between man and water, lasting harmonious relationship, not destroy this law, the expense of others, inducing regional ecological disaster. Establish water security system, maintenance of grassland ecosystems is the establishment of production of material and energy balance, protection of grassland resources of renewable water resources security system, is through the water, the sustainable use of grassland resources, and promote the sustainable development of animal husbandry. In water resources development and utilization of water to adhere to the full use of the sky, Science Citation surface water, and reasonable exploitation of groundwater, strictly control the exploitation of deep water principle. This should be emphasized that full use of the sky water, rain and snow is the focus on the development and utilization of resources, greatly improve the grass production capacity. According to the survey data analysis, the existing water productivity grassland mostly 0.3 ~ 0.6k, productivity is very low. The potential production capacity of precipitation 6000 ~ 8500kh | n2,[link widoczny dla zalogowanych], is the reality of the production capacity of grass 8 to 12 times. If through an integrated improved (irrigation, fertilization, reseeding), natural pasture production levels of up to 14 ~ 22t/hm2. This shows that water-saving irrigation, the system can maintain water balance, reduce water consumption, can increase grass production. 4 clarify ideas. Grassland ecosystems lose water in the building security system planning national implementation of the western development strategy and a proactive fiscal policy is an excellent opportunity for pastoral development, and flood control along major rivers in China initially been resolved, the construction of grassland ecosystems, water security system are also shown the focus for the western water development. All localities should pay close attention to the preparation of the current construction of grassland ecosystems, water security system planning. In the guiding ideology, to implement the sustainable development strategy, adhere to human resources, environment and economic and social development of the policy, follow the grass to the water given to animals given the principle of grass to determine the size of the project and development objectives; around the protection of grassland system security, rational exploitation, conservation and efficient use of water resources. In the train of thought, we should restore and improve the grassland ecosystem focus, through the development of water-saving irrigation, construction, increase efficiency of forage base, improving grassland productivity, to resolve conflicts livestock grass; focus on supporting the production of water efficient lawn and promote grass intensive operations. Water security system is a long-term task, the construction sequence on the overall plan should be phased to promote the At the regional layout, to avoid weaknesses, advantages,[link widoczny dla zalogowanych], according to local conditions. Should first improve the existing engineering and water-saving transformation Corollary, and vigorously promote the advanced water-saving irrigation technology to improve water utilization efficiency and output efficiency; followed by the proper construction of a new open source projects. In the project layout, the relative concentration of as much as possible, for example, in the along the river, ground water rich region, which will help achieve economies of scale. The inputs according to ecological,[link widoczny dla zalogowanych], social and economic benefits of sharing. Central and local budgets is mainly responsible for public part of the project have a direct economic benefit should be the main beneficiary commitment to provide subsidized loans to support the State. While developing policies to encourage enterprises to participate in pastoral areas of water and water supply development. Port [Author] Jiangkai Peng, M, Deputy Director f Received Date :2002-08-28J