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Study of Environmental Damage Due to Land Degradation as an Environmental Conservation in The Upstream of Watershed of Samin River District Karanganyar Regency Province of Central Java
Setyowati, Putri Ratna
Setyowati, Putri Ratna
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The research was conducted in the upstream of watershed of Samin river District Karanganyar Regency Province of Central Java. Physical land degradation is often happened in this area, it is caused by natural factors and human activity factors. The land degradation gives environmental damage effect, so we need to study about it and can give alternative of environmental management startegy. The objectives of this research are (1) to study and identify the environmental damages due to land degradation in the upstream of watershed of Samin river; (2) to study level of environmental damages due to land degradation in the upstream of watershed of Samin river; and (3) to formulate environmental management strategy as an environmental conservation in the upstream of watershed of Samin river. The research method uses survey method and based on landslide disaster data. Then we make zona based on map of land use function and landslide vulnerability. Environmental damages of abiotic are identified by some parameters, they are (1) land use function, (2) landslide vulnerability, (3) slope; (4) rainfall; (5) soil solum; (6) soil type; (7) gemorphology and geology; and (8) landslide outcrop. Environmental damage of biotic is identified by a parameter, it is type of vegetation and plant. Environmental damages of culture are identified by some parameters, they are (1) landuse; (2) planting pattern; (3) excavation an cutting of slope; and (4) construction buliding, after that we do indepth and informal interview to complete the data. The total environmental damage is combination of abiotic, biotic, and culture aspects. The results of field survey and reseacrh data show that environmental damages in landslide area are about 11% are in medium category of environmental damage and 89% are in worse category of environmental damage. Some alternatives of environmental management strategy are recommended in the upstream of watershed of Samin river, they are civil engineering, geological engineering, vegetative, argiculture based on conservation, and we also use goverment policy.
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2018
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