Aquatic Biodiversity.pptx - APES Chapter 8 Aquatic Biodiversity Coral Reefs Important ecological and economic services Act as natural barriers

Aquatic Biodiversity.pptx - APES Chapter 8 Aquatic...

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Aquatic Biodiversity APES Chapter 8
Coral Reefs Important ecological and economic services: Act as natural barriers protecting coasts from erosion. Provide habitats. Support fishing and tourism businesses.
Coral Reefs Declining Degradation and Decline Due to: Coastal development Pollution. Overfishing. Warmer ocean temperatures leading to coral bleaching: kill algae and thus the polyps. Increasing ocean acidity from carbon dioxide.
Aquatic Biodiversity The key factors determining biodiversity in aquatic systems are: Temperature dissolved oxygen content availability of food availability of light
Most of Earth is Covered With Water Aquatic marine life zones /Saltwater Oceans and estuaries Coastal wetlands Coral reefs Mangrove forests Freshwater life zones Lakes Rivers and streams Inland wetlands
Aquatic Ecosystems
Top Layer of Water: Marine & Freshwater Plankton : free floating 1.Phytoplankton: Primary producers for most aquatic food webs. 2.Zooplankton Feed on phytoplankton Zooplankton include single-celled protozoa to large invertebrates like jellyfish.

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