Effects of acid precipitation on Daphnia magna.
D000143:Acids / Q000633:toxicity*; D000375:Aging; D000818:Animals; D003621:Daphnia / Q000187:drug effects*; D005618:Fresh Water / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D010100:Oxygen / Q000032:analysis; D013997:Time Factors
D000143:Acids; D010100:Oxygen