13 Saltwater Life Zones Importance of oceans 71% of planet Heat sink Major role in hydrologic cycleHas a somewhat large influence in the earth’s weather patternsOk, not so large, more like HUGEGigantic reservoir for CO2
14 Saltwater Life Zones Two major life zones Coastal Zone Open Ocean On top of the continental shelf10% of ocean/90% of ocean lifeHigh primary and net productivityOpen Ocean
50 Types of Freshwater Lakes EutrophicLots of nutrients for producersNitrates and phosphatesUsually shallow and murkyDuring summer, bottom may have low DO
51 Season Changes in Lakes Water is cool, especially when frozenMakes water uniqueAlso helps lakes survive wickedly cold wintersWickedly meaning not like “Mr. Williamson, it’s cold in here” or “It’s freezing outside in the F-quad”
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