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Ecosystem services

AP Environmental Science Ch.1 outline

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Christian Boujaoude August 13, 2014 Period 10 AP Environmental Science Chapter 1: Studying the State of Our Earth I. The Mysterious Neuse River Fish Killer A. Pfiesteria 1. Emits a potent toxin that quickly kills fish 2. Could have up to 24 life stages a. Carnivorous stage b. Free floating amoeba c. Protective casing and able to remain dormant 3. The discovery of Pfiesteria in North Carolina Rivers created panic among the areas recreation and fishing industries 4. Many investigators were very skeptical and even thought that Pfiesteria didn?t produce toxins at all 5. Pfiesteria shows that releasing waste material into a river can affect the environment in complex and unexpected ways 6. Also displays how controversial how environmental science can be

Ecosystem Services

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Ecosystem Services Definition: Conditions and processes through which natural ecosystems, and the species that make them up, sustain and fulfill human life. Some Services: Purification of air and water Mitigations of floods and droughts Detoxification and decomposition of waste products Generation and renewal of soil and soil fertility Pollination of crops and natural vegetation Control of the vast majority of potential agricultural pests Dispersal of seeds and translocation of nutrients Maintenance of biodiversity, from which humanity has derived key elements of its agricultural, medical and industrial enterprise Protection from the sun?s harmful rays Partial stabilization of climate Moderation of temperature extremes and the force of winds and water
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