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What is Aquatic Biology?

What is Aquatic Biology?. Limnology - the study of freshwater ecosystems (physical, chemical, & biotic interactions) Stream Ecology - study of lotic systems Oceanography - study of marine systems Hydrology - study of the flow of water through the hydrologic cycle.

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What is Aquatic Biology?

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  1. What is Aquatic Biology? • Limnology- the study of freshwater ecosystems (physical, chemical, & biotic interactions) • Stream Ecology- study of lotic systems • Oceanography- study of marine systems • Hydrology- study of the flow of water through the hydrologic cycle

  2. Statistics for the earth's water supply: • Oceans 97.61% •  Polar Ice & Glaciers 2.08 •  Groundwater 0.29 •  Freshwater lakes 0.009 •  Saline Lakes 0.008 •  Soil Moisture 0.005 •  Rivers 0.00009 •  Atmosphere  0.0009

  3. Physical Characteristics of Water: • liquid at ambient temperature • solid state less dense than liquid- max density 4o C; ice floats, prevents freezing entire water column • high heat capacity- absorbs heat; stabilizes temperatures within geographic regions • polar solvent- "like dissolves like“ • transparent- absorbs IR & UV

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