ENWC201 Lecture Notes - Lecture 15: Rachel Carson, Rodenticide, Agricultural Pollution

• School: University of Delaware
• Department: Entomology and Wildlife Conservation
• Course: ENWC201
• Professor: Mc Carthy Kyle

Document Summary

Types of pollution: agricultural pollution, water pollution, air pollution, light pollution, trash. Causes algae blooms and very nutrient limited: fertilizer stimulates methanogenesis, other implications of fertilizer use, pollution- example: high nitrate levels can case coma and death, heavy metal accumulation- uranium, cadmium, arsenic. Pesticide: pesticide: any chemical we use to kill off an unwanted population of fungi, animals, or plants, insecticides- controls insects, fungicides- controls fungus, rodenticides-controls animals, herbicides controls weeds. Ddt: used in world war ii to control malaria and typhus, 1962 rachel carson wrote silent spring. Human health and chlorinated hydrocarbons: have been linked to, diabetes, premature birth and low birth rate, developmental delays, parkinson"s, asthma, cancers. Organophosphates and carbamates: interfere with the function of the nervous system, non specific, high toxicity to humans, do not persist in the environment, but . Herbicides: used to control weeds, acute exposure can cause, cancer, parkinson"s, reproductive effects, genetic damage.