140 likes | 377 Views
Aquatic 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.
E N D
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.
Factors in Aquatic Ecosystems Water depth Temperature • Currents • Nutrient availability
Freshwater Ecosystems Rivers and streams Lakes and ponds Freshwater wetlands
Rivers, Streams, Lakes, and Ponds Lake Stream
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. Swamp Bog Marsh
Estuaries An estuary is a wetland that forms where a river meetsthe sea. Mangrove Salt marsh
Marine Ecosystems Photosynthesizers
Coastal Ocean The coastal ocean extends from the low-tide mark to the outer edge of the continental shelf.
Open Ocean Silver hatchetfish
Overview: Aquatic Ecosystems Marine Estuary Freshwater