KAJIAN KERUSAKAN LINGKUNGAN AKIBAT PERUBAHAN PENGGUNAAN LAHAN DI KAWASAN CAGAR ALAM DANAU DUSUN BESAR KOTA BENGKULU

Nature reserve is an area which has important role in wildlife reservation, moreover it becomes the stakeholder of this life, preservation of flora and fauna variety, and utilize the natural resources and its� ecosystem. The purpose of this research is to review the change-over of the landform and the scale of the used land, to review the kinds of environmental damage, and to arrange the environment management strategy which is efficient to be apply in Danau Dusun Besar Nature Reserve area. The method that is used in this research is satellite imaging method (Aerial Photo Black and White, 2003 and Quickbird Satellite Imagery, 2008). The descriptive-quantitative method is used in this research to analyze the data. The result of the research showed us that Danau Dusun Besar Nature Reserve area has been covered by the enormous scale of environmental damage as a result of the alteration function of the area, those are: deforestation, housing expansion, Nakau-Air Sebakul ring-road project, and the changing of the land function become a farm and a plantation area. In the last 5 years (2003 � 2008) the field change-over are: housing expansion is increase up to 25.25 hectare (4,38%), 2,7 hectare (0,47%) ricefield were gone, free area was decrease around 4,7 hectare (0,82%), and the embankment go up 9,29 hectare (1,61%). The impact of field function change-over are forest degradation, environment provanation, and the area quality reduction. The strategy of environmental management in Danau Dusun Besar Nature Reserve area is socio-cultural based conservation management that adjusted to the central government (BKSDA), Bengkulu city government, and Lembak tribe people which function is to avoid the bump with the local landform rule that belong to Lembaknese. Based on the field utilization function guidance, it is necessary to review the Bengkulu�s city plan in order to determine the area which is used as the conservation or protecting area, and periodic counseling to the society which is aimed to increase society understanding and awareness to keep the preservation of the Danau Dusun Besar Nature Reserve area