Spatial distribution and seasonal changes of pesticides in Lake Biwa, Japan

  title={Spatial distribution and seasonal changes of pesticides in Lake Biwa, Japan},
  author={Miki Sudo and Takeshi Kawachi and Yoshifumi Hida and Takao Kunimatsu},
The spatial distribution and seasonal variation in the concentrations in Lake Biwa of pesticides used in paddy fields were studied. Lake Biwa is the largest lake in Japan and is a recognized water resource for 14 million people in the Kinki district. Samples were collected nine times from April to December 2001 at ten sites within the lake and at the mouths of six influent rivers. Weekly sampling was also carried out at a single site on an effluent river. Among the 20 pesticides analyzed, the… CONTINUE READING
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