PENGARUH EROSI TERHADAP PRODUKTIVITAS LAHAN DAS WALIKAN KABUPATEN KARANGANYAR DAN WONOGIRI TAHUN 2012
ABSTRAK: Purpose of this
research was (1) Determine the erosion in the watershed Walikan 2012. (2) To
know the land productivity in the Watershed Walikan 2012. (3) To know the effect
of erosion on land productivity in Watershed Walikan 2012. This research used quantitative
– descriptive analysis method. The results show that the greatest class in the
watershed Walikan is very low class which has area of 5143.83 hectares or
91.86%, while the greatest land productivity class is high land productivity
class which has area of 1808.32 hectares or 55.69%. The influence of erosion on
land productivity is -0.529 which has mean moderate level, with negative
correlation form. If there was ten-fold erosion increasing, the land
productivity was reduce to Rp 3.382.818,00 as well as if there was ten-fold
erosion decrease, the productivity would increase by Rp 3.382.818,00; the
erosion give 27,9% as contribution major contribution influencing land
productivity.
Penulis: lilis nurhayati
Kode Jurnal: jppendidikandd130546