Saturday january 3 2009 6 importance of human ecology

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Unformatted text preview: population collapse? Saturday, January 3, 2009 6 Importance of Human Ecology • • 1950s and 1960s Nile Perch introduced to Lake Victoria To boost local food supplies and economy Saturday, January 3, 2009 7 Saturday, January 3, 2009 8 Importance of Human Ecology • • Top predator, and energy lost each tropic level, fewer can be harvested To full of oil to be dried, must be smoked, firewood shortages Saturday, January 3, 2009 9 “Civilization” Mark Dickinson Saturday, January 3, 2009 10 What is Ecology? • “By ecology we mean the body of knowledge concerning the economy of nature- the investigations of the total relations of the animal both to its organic and to its inorganic environment; including above all, its friendly and inimical relations with those animals and plants with which it comes directly or indirectly into contact-- in a word ecology is the study of all the complex interrelationships referred to by Darwin as the conditions...
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