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Aquatic Biomes. 1. Freshwater Ecosystem Rivers and streams 2. Ocean zones Marine Ecosystem. Rivers and Streams. How ?. Low lying areas collect runoff water Streams drain into rivers Area of drainage is a watershed PA in Mississippi River watershed Ohio River Watershed – Wash. County
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Aquatic Biomes • 1. Freshwater Ecosystem • Rivers and streams • 2. Ocean zones • Marine Ecosystem
How ? • Low lying areas collect runoff water • Streams drain into rivers • Area of drainage is a watershed • PA in Mississippi River watershed • Ohio River Watershed – Wash. County • 15 watersheds in Wash. Co.
River / Stream Ecosystem RIPARIAN BOUNDARY (trees) Pin Oak Elm Sugar Maple Silver Maple ALGAE Green Algae (Spirogyra) Diatoms Gold Algae ANIMALS Birds (Great Blue Heron) Insects (mayfly, stonefly) Mammals (muskrat, raccoon) Fish (smallmouth bass, trout) Mollusks (fingernail clam, orb snail
Algae • Base of food web • Photosynthetic • Oxygen producer
Marine Ecosystems Marine Zones Photic Aphotic Intertidal Neritic Oceanic Benthic Pelagic Abyssal
PhoticIntertidal / Neritic Algae Kelp Red Algae “Red Tide” – Gonyaulauxcantonella Animals Sponges Rays Coral Urchin Anemone Shrimp Crabs Green sea turtle Clown fish Jellyfish Sea star Blue Tang fish Octopus Stone fish Sand / Nurse Sharks Clams Puffer fish
Producers of the Ocean 60% atmospheric O2
Eco Issues in Aquatic Biomes • Freshwater • Acid Mine Drainage • Pollution • Nutrient Contamination • (fertilizers cause algae bloom)
Eco Issues in Aquatic Biomes • MARINE • Pollution • Red tide • Trawling