Aquatic Ecosystems. Learning Objectives Discuss the factors that affect aquatic ecosystems. ...

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Aquatic Ecosystems

Transcript of Aquatic Ecosystems. Learning Objectives Discuss the factors that affect aquatic ecosystems. ...

Page 1: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Aquatic Ecosystems

Page 2: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Learning Objectives Discuss the factors that affect aquatic ecosystems. Identify the major categories of freshwater ecosystems. Describe the importance of estuaries. Describe and compare the distinct ocean zones that make

up marine ecosystems.

Page 3: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Factors in Aquatic Ecosystems

• Water depth• Temperature

• Currents• Nutrient availability

Page 4: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Freshwater Ecosystems• Rivers and streams • Lakes and ponds • Freshwater wetlands

Page 5: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Rivers, Streams, Lakes, and Ponds

Stream Lake

Page 6: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Freshwater Wetlands

A wetland is an ecosystem in which water covers the soil or is present at or near the surface for at least part of the year.

Bog Swamp Marsh

Page 7: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Estuaries

An estuary is a wetland that forms where a river meetsthe sea.

Salt marsh Mangrove

Page 8: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Marine EcosystemsPhotosynthesizers

Page 9: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Coastal Ocean

The coastal ocean extends from the low-tide mark to the outer edge of the continental shelf.

Page 10: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Open Ocean

Silver hatchetfish

Page 11: Aquatic Ecosystems. Learning Objectives  Discuss the factors that affect aquatic ecosystems.  Identify the major categories of freshwater ecosystems.

Overview: Aquatic Ecosystems

EstuaryFreshwater Marine