title: The acute toxicity of four herbicides to 0-4 hour nauplii of Cyclops vernalis Fisher (Copepoda, Cyclopoida).
mesh_terms: D015084:2,4-Dichlorophenoxyacetic Acid / Q000633:toxicity; D000605:Amino Alcohols / Q000633:toxicity; D000640:Amitrole / Q000633:toxicity; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D003445:Crustacea / Q000187:drug effects*; D006540:Herbicides / Q000633:toxicity*; D007928:Lethal Dose 50; D013550:Swimming; D013861:Thiocyanates / Q000633:toxicity; D013997:Time Factors
chemical_list: D000605:Amino Alcohols; D006540:Herbicides; D013861:Thiocyanates; D015084:2,4-Dichlorophenoxyacetic Acid; D000640:Amitrole