Aquatic Biomes. 75% - 78% of the Earth’s surface is covered in water. Water on the Earth. How much freshwater?. Of all the water available on Earth… Only 3% is freshwater Of the 3% freshwater, 2% is tied up in glaciers and icebergs… Only leaving less than 1% available to humans.
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The study of fresh water and its ecosystems
The study of freshwater ecosystems can be divided into 2 systems
1. Lentic – standing water
(little or no current)
2. Lotic – flowing water
Fish, turtles, Whales
Tagging with electronic monitors
Acoustics used to measure Krill Populations
Fig. 6-5, p. 130
Organisms take advantage of water's buoyancy to transport themselves to nearby or distant habitats with little energy expenditure
Up/Down movement of pectoral fins
Algae: Astaxanthin is a powerful
natural antioxidant / dietary supplement