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Global Environmental Change III

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Flashcards on Global Environmental Change III, created by J yadonknow on 22/01/2018.
J yadonknow
Flashcards by J yadonknow, updated more than 1 year ago
J yadonknow
Created by J yadonknow about 7 years ago
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Question Answer
what are the different values of biodiversity? Direct use value = Direct value we gain from BD e.g food/medicine Indirect use value: e.g. Pollination Non-use value: Aesthetic value of diversity
What are ecosystem processes? Processes that link an organism to its environment such as decomposition, 1' productivity, nutrient cycling.
What are the 4 groups of ecosystem services? Provisioning: Food/H2O Regulating: Climate/disease Supporting: Nutrient cycles + crop productivity Cultural: Spritual/recreational benefits
What are the 2 main theories behind ecosystem functioning? Rivet theory: Many species help support ecosystem Redundant theory: Some species key for ecosystem, others are redundant.
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