Saturday, April 20, 2013

4/15 types of lakes

Oligotrophic Lake-  When you hear about a oligotrophic lake and wondering what it is, it means its a type of lake low in nutrients and also has a high amount of dissolved oxygen throughout.  This can happen to both lakes or ponds, but is not a healthy environment for anything to be living in.

Sometimes having very clear water means its a oligotrophic lake and isn't the best.
 
 
Mesotrophic Lake- A mesotrophic lake is kind of like a oligotrophic lake but has a little bit more nutrients and a little less dissolved oxygen in it.  They are mainly found upland in the north and west, also they have a nutrient concentration of 0.3 - 0.65 mg/l of nitrate and 0.01 - 0.03 mg/l of phosphate.
 
Eurotrophic Lakes- These can be human caused or natural but unlike oligotrophic lakes, these are high in minerals and organic nutrients to promote life under the sea.  Although it does not have high amounts of disovled nutrients, causing distinction of some animals living in the condition.

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