SILK WORM RIVER POLLUTION INDICATOR

People are looking for a silkworm (tubifex) for sale as fish feed cultivation at Rp7.000 per kilogram at Ngrowo River, Tulungagung, East Java, Saturday (23/4). According to the research center of environmental study PPLH Mangkubumi, the increased population of silkworms is massively a decrease indicator of fish species as the impact of river water pollution with industrial and household waste varieties. ANTARA PHOTO/Destyan Sujarwoko/foc/16.