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Chapter 57: Conservation Ecology (Lecture Notes)

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Biological Sciences
Kamini Persaud

Chapter 57 Conservation Energy April 72011 What is conservation Biology? 1. Conservation biologyan applied science, devoted to preserving the diversity of life 2. Integrated with other disciplines 3. Normativefollows 3 principles: 1. Evolution is the process that unites all of biology 2. The ecological world is dynamic 3. Humans are part of ecosystems 4. Conservation biology aims to prevent extinctions 5. Extinctions deprive us of the opportunity for scientific study and understanding ecological interactions 6. Maintaining diversity allows us to understand interactions and ecosystems as well How do biologists predict changes in biodiversity? Scientists cannot predict changes in biodiversity because o We do know how many species there are on earth o We dont know where species live o We dont know when an animal goes extinct o We do not know what will happen in the future, including natural events, and what humans will do Way to estimate species: 1. species-area relationshipproportionate; 90% decrease of habitat results in 50% decrease in species 2. computer (statistical) modelspop size, genetic variation, morphology, physiology, behaviour Conservation Terminology:
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