Pesticide Concentrations in American Bullfrog (Lithobates catesbeianus) Tadpoles Collected from Ponds and Reservoirs near Mead, Nebraska

To evaluate the potential uptake and accumulation of pesticides in amphibians, American bullfrog (Lithobates catesbeianus) tadpoles were collected from surface water...为评估两栖动物体内农药的潜在摄取与富集情况，研究人员从地表水采集了美洲牛蛙（American bullfrog，*Lithobates catesbeianus*）的蝌蚪……