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전숙례(Sook-Lye Jeon),김상길,박주현,고대헌,박성환,김상진,송여옥,최준길,양금철,심재한,김성환,박은진(Eun-Jin Park) 경기연구원 2008 위탁연구 Vol.2008 No.6
The purpose of this study was to suggest some policy alternatives for Gyeonggi Provincial Administration's strategies of preserving the wetland and water-front ecological resources at the estuary of Han River, while designing a continued monitoring plan for the region. This study was conducted for the period from December, 2007 through June, 2008. Upon reviewing the relevant literature and surveying the conditions of the wetland and water-front ecological resources, it was confirmed that the estuary of Han River should be valuable for the habitat of a variety of the birds visiting the estuary of the river, above all. The estuary of Han River provides for an important habitat for such migratory birds reputed highly to be preserved internationally as bean goose or the primary winter migratory bird as well as for such threatened birds as white-naped crane, Chinese goose and spoonbill. Hence, it is deemed urgent to explore the ways to effectively maintain, recover or use the wetland ecology at the estuary of Han River if we want to protect those valuable natural lifes. To this end, it is deemed essential to preserve and recover the habitat of the feed plants for those aqua animals by preventing the water-front wetland from becoming an earth and making use of the sea troughs, while maintaining the rice paddies as important feeding ground for the natural lifes and as back marshes checking the flood in order to secure a stable habitat and nest for the natural lifes in a longer term. In view of flora and vegetation, the reed stock occupying Janghang, Sannam and Siam-ri wetland widely must be valuable as a fine view. However, excessive multiplication of the species might result in preventing the migratory birds from inhabiting the areas, reducing the habitat available or turning them into land rapidly. Then, it would be difficult to maintain the flora unique to the estuary of Han River. Hence, it is deemed necessary to remove some intervals of the estuary for the birds to inhabit them, while exploring the ways to manage them appropriately by making use of the sea troughs. In addition, it is also deemed necessary to prevent the foreign species or read-eared turtles sharing the habitat and competing with our native species or mud turtles from spreading across the river or check them. Moreover, it is also necessary to protect the habitat for such threatened or protected species as wildcat, yellowish brown serpent and small round frog, while securing their locomotive routes. Furthermore, since the roe deer observed frequently within the DMZ may well live on the wetland at the estuary of Han River, it is deemed necessary to precisely survey their locomotive routes and distribution. On the other hand, it is also necessary to survey the ecological characteristics of the habitat for such native (Korean special) species as roach and Microphysogobio tungtingensis; our survey team confirmed a total 30 species of fish inhabiting the area. Furthermore, since such migratory fish as eel and Coilia ectens are highly value-added fishery resources, it is deemed desirable to research into such fishery resources on a continual basis to explore the ways to plant their young effectively based on precise estimation of the proper catch and thereby, suggest the ways to have the profits returned to the fishermen in the region. Then, the estuary of Han River would be able to be used both as ecological and tourism resources. The major threats to the wetland and water-front ecological resources at the estuary of Han Rive may be large-scale national projects, various development projects by local autonomous administrations, extreme contamination due to inflowing wastes and polluted branches, etc. In order to solve such problems and preserve the estuary of Han River, the following reform measures have been put forwards: 1) integrated understanding of the wetland ecology at the estuary of Han River, continued monitoring and management 2) explorati
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