| The environmental construction of a city has generally been acknowledged as an essential of realization of a city's sustainable development. It is widely known that afforestation has been at fundamental service for a city's environmental development, in which the landscaping of a city boasts a comprehensive function of ecological benefits, a significant base can be developed to shield the ecological diversity of a city, and meanwhile an important chain may be forged to mean double implications of material and spiritual construction for a city. With the industrial pace and social progress, increasing numbers of countries the wide world over have come to attach growing importance to the environmental construction and management, lay stress on the harmonious development of humankind and its environment, set store by the lately advanced theory of sustainable development, and give priority to the theoretical application of ecological landscape. The landscaping construction and management can be elevated to a more efficient level through a multitude of channels, such as establishing an integral grading system of afforested land, developing a set of scientific mechanisms for planning and evaluating afforested land, utilizing of various managing patterns, and creating a unique cultural atmosphere. The reform and opening up of china witnessed enormous successes achieved in the past two decades, when cities' resources have been overused to the detriment of their natural ecology. Therefore, it has been high on the agenda of a city's development to ameliorate its environment, promote afforestation and enhance management. In recent years, waves of afforestation have been sweeping through numerous cities across the country, in which campaigns were launched to build a landscaping city, and a huge number of landscaping cities at the national level emerged. Numerous cities contribute multibillions of funds to their landscaping construction which has been going full steam ahead as a result. The city of Changchun has been boasting a relatively sound base of afforestation, but recent years of development saw its continually widened gap of urban ecological environment in comparison not only with some external cities but also with other internal ones. With the urban size expanded and population increased, the urban afforestation failed to meet the demand of its environmental improvement, let alone the landscaping benefits. Thus, it has been unanimously accepted as a subject of urgent research and profound discussion on how to further the city's landscaping construction and raise the levels of afforestation management. Centering around the landscaping construction and management of afforestation in the very dissertation, its importance and role has been presented, major problems with the city's landscaping and afforestation have been laid bare against the backdrop of recent developments of urban afforestation at home and abroad, and the urgency for the city not to slacken reins over the construction of landscaping afforestation has been advanced. Such deficiencies existing in the landscaping afforestation mainly include inadequate afforestation indicators, disproportional distribution of afforested land, fragile structures of plant communities, and severe inroads on afforested land. Targeted towards such existing problems, the dissertation presents a deep analysis of related factors subjective and objective resulting in them, ranging from funding, environmental to social. In particular such factors as mechanism, legality, policy and human are offered an anatomy, including imperfect laws and regulations of landscaping afforestation, management far from the desired levels, policy decision lacking in scientific procedures, overall low aptitudes in the management, and insufficient environmental consciousness of urban residents. Based upon a penetrating but thorough probe into numerous factors impacting on the construction of landscaping afforestation and its relevant managing developments of Changchun, related strategies have... |
