EVSC 110 Lecture Notes - Lecture 18: Moisture Stress, Precautionary Principle, Hyperthermia
24 Apr 2018
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Document Summary
Impacts on livestock production positive and negative. Implies that there is a social responsibility to protect the public from exposure to harm, when. If you don"t know you should be more conservative, don"t totally understand how it scienti c investigation has found a plausible risk. Non perclusion pp - scienti c uncertainty should not automatically preclude regulation of activities that pose a potential risk of signi cant harm. Margin of safety pp - regulatory controls should incorporate a margin of safety, activities should be limited below the level at which no adverse e ect has been observed or predicted. Ex - new hormones for your livestock but you are the person giving it. Prohibitory pp - activities that present an uncertain potential for signi cant hard should be prohibited unless the proponents of the activities show that it presents no appreciable risk of harm. Changing agricultural practices - irrigation, new invasive plants. Altered productivity - more c02 increase plant production.
