Daftar Isi:
  • ABSTRACT The most important issues in The reservoir sedimentation. The sedimentation problem lies in the watershed and rivers in the area The reservoir. Sediment management in the watershed area do conservation work includes absorption wells (biopori), terracing, tree planting, rorak and gully plug. In this study aims to find the influence biopori to sedimentation in the watershed Keduang. The analysis is used to find the amount of sedimentation using USLE method. Meanwhile, to seek the influence biopori to sedimentation that of the return period of 5 years and 10 years using two methods: Method and Method Lenvain Bols. From these calculations erosion reduction percentage obtained for each village, watershed Keduang, and the percentage reduction of eight villages. The results obtained can reduce sediment transport biopori although results are not very significant. Keywords: Effect, Biopori, runoff, watershed, Keduang.