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Page 1: Aquatic Biomes

Aquatic Biomes1. Freshwater Ecosystem•Rivers and streams

2. Ocean zones•Marine Ecosystem

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Rivers and Streams

http://www.mbgnet.net/fresh/rivers/rivers.gif

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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.

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River / Stream Ecosystem

RIPARIAN BOUNDARY (trees)Pin OakElmSugar MapleSilver Maple

ALGAEGreen Algae (Spirogyra)DiatomsGold Algae

ANIMALSBirds (Great Blue Heron)Insects (mayfly, stonefly)Mammals (muskrat, raccoon)Fish (smallmouth bass, trout)Mollusks (fingernail clam, orb snail

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Algae•Base of food web•Photosynthetic•Oxygen producer

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Animals of Stream / River

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Marine EcosystemsMarine Zones

PhoticAphoticIntertidalNeriticOceanicBenthicPelagicAbyssal

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PhoticIntertidal / Neritic

AlgaeKelpRed Algae“Red Tide” – Gonyaulaux

cantonellaAnimalsSponges RaysCoral UrchinAnemone ShrimpCrabs Green sea

turtleClown fish JellyfishSea star Blue Tang fishOctopus Stone fishSand / Nurse SharksClamsPuffer fish

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Producers of the Ocean60% atmospheric O2

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Eco Issues in Aquatic BiomesFRESHWATER

•Acid Mine Drainage•Pollution•Nutrient Contamination

(fertilizers cause algae bloom)

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Eco Issues in Aquatic Biomes

MARINE•Pollution•Red tide•Trawling

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