| toxicity of some ricefield pesticides to the crayfish p. clarkii, under laboratory and field conditions in lake albufera (spain). | static toxicities in mature crayfish (procambarus clarkii) were determined, for eight insecticides, two herbicides and one fungicide which were frequently used in rice cultivation at lake albufera in valencia (spain). three concentrations of each product were used: a) the concentration that was recommended by the dealer (in mg/l of active ingredient): carbofuran 0.40, carbaryl 0.80, malathion 0.80, trichlorfon 0.40, endosulfan 0.56, lindane 0.56, fenitrothion 0.40, cyfloxylate 0.02, molinate-thi ... | 1986 | 3819333 |