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Aquatic Biomes

Aquatic Biomes. Freshwater Lakes and Ponds Streams and Rivers Marshes and Swamps Marine Oceans Coastal wetlands. Freshwater. Lakes and Ponds Very small and seasonal to very large and deep Summer top layer warmest Winter bottom layer is warmest. Lake and Pond Life. Insects

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Aquatic Biomes

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  1. Aquatic Biomes • Freshwater • Lakes and Ponds • Streams and Rivers • Marshes and Swamps • Marine • Oceans • Coastal wetlands

  2. Freshwater Lakes and Ponds • Very small and seasonal to very large and deep • Summer top layer warmest • Winter bottom layer is warmest

  3. Lake and Pond Life • Insects • Frogs, Turtles • Fish – feeders and predators • Plants- more along shore less the deeper you go. • Ponds will have plants even in the deepest parts • Microscopic life

  4. Rivers and Streams • Bodies of water moving in one direction • Source – spring, snow melt, lake • Cold and fast moving near source • Higher oxygen levels • Middle – diverse ecosystem, slower moving • Mouth – warmest, lowest oxygen levels

  5. River Life • Fast moving cold water – Trout and Dobson fly • Middle parts of river • Bass, turtles, frogs • Otters • Mouth of the river • Carp and catfish

  6. Wetlands Swamp • Trees • Poorly drained land near rivers Marsh • Low flat land • Shallow waters • Reeds and cattails • Rich sediments

  7. Wetland Animal Life • Ducks, geese • Muskrats, nutria • Turtles, frogs, newts, salamanders • Alligators

  8. Wetland Plant Life • Marshes • Cattails • Swamps • Bald cypress

  9. Biotope Aquarium – Amazon River

  10. Biotope Aquarium – African Great Lakes

  11. Marine Biome Oceans • Largest biome on the planet • Divided into zones according to how much light penetrates the water: • Sunlight • Twilight • Midnight

  12. Sunlight Zone • Down to about 600 feet below surface • 90 % of marine life lives here • Photosynthesis can take place here • Includes tidal zones

  13. Twilight Zone • From 600 to 3000 feet below the surface • Very little light • No plant life • Specialized animals

  14. Midnight Zone • 3000 feet to the bottom • No light – no plants • Cold – except by thermal vents • Very high pressure

  15. Coastal Wetlands • Halophytic plants – salt loving plants • Where fresh water meets salt water • Brackish water • Erosion and flood control

  16. Salt Marshes • Where rivers meet oceans • Temperate • Abundant bird life • Tidal flooding – floods everyday • Sand or mud flats

  17. Mangrove Swamps • Mangrove trees – tangled roots • Pneumatophores – special adaptation that supplies tree with air • Tropical • Protects shoreline

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