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Assessment Of 8 Alberta Waterbodies

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#1 fsa313


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Posted 20 September 2018 - 09:41 AM

Here is a link to a very interesting study entitled ‘Assessment of 8 Alberta Waterbodies”.




The waterbodies studied are Dolberg Lake, Salter’s Lake, Muir Lake, Cardiff Pond, Black Nugget Lake, Dillberry Lake, Blood Indian Creek Reservoir and Tyrell Lake.

The report provides excellent bathymetric maps of the lakes.

I draw your attention to the Dissolved Oxygen (DO) tables showing DO measurements at various depths at various times in the year. E.g. In July on Dolberg, at 5m depth, the DO was 4.17ppm.




#2 Don Andersen

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Posted 20 September 2018 - 04:23 PM



My thanks for the link and you are bang on right. O2's disappear in deeper water during the summer.

A couple of other things poked out:


1] pH - indicates calcium carbonate

2] TDS or resistance which means chemicals in the water.


Bugs need limestone [ calcium carbonate] to build chitin which forms their exoskeleton.



Chitin is the main ingredient in the exoskeletons of arthropods and crustaceans and is also in the cell walls of fungi. That means everything from beetles, spiders, and butterflies to lobsters, crabs, and shrimp have some chitin in their protective armors.


Alkali lakes east of Highway #2 grow more big shrimp than west. of #2












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