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Environment & Energy

Botany

(76,469 posts)

13. One of the problems might be non native bivalves... shell fish such as mussels .. that causes phosphorus to

Reply to NickB79 (Original post)

Sat Oct 4, 2025, 01:57 PM

Oct 2025

become a bigger component of the lakes’ ecosystems and that P feeds the algae which in time
causes algae blooms that then cause O2 deprivation in the water and the system crashes from
there. I don’t know if that is the case in Lake Itasca but it is the case in the western basin of Lake
Erie.

Another problem is that we are killing the earth with fossil fuels too.

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Highlight:

Something is wrong with Lake Itasca, the source of the Mississippi River [View all] NickB79 Oct 2025 OP

Why don't they just follow Trump's train of reasoning and nuke the lake? John1956PA Oct 2025 #1

Or sweep the forest. 2naSalit Oct 2025 #3

The not so funny thing is Mblaze Oct 2025 #7

How does that huge river start here? viva la Oct 2025 #2

Lake Superior's waters flow toward the Atlantic through the other Great Lakes and then the St. Lawrence River. Mister Ed Oct 2025 #4

Yes, the tracing rivers upstream can be interesting. John1956PA Oct 2025 #5

Ah! Then maybe it's just a more or less an arbitrary decision on the part of mapmakers. Mister Ed Oct 2025 #6

I think the historic names of the rivers are always honored. John1956PA Oct 2025 #9

But it all flows...... lastlib Oct 2025 #15

Well SOME names aren't always honored by SOME people. Beartracks Oct 2025 #17

The different criteria for measuring rivers gets things convoluted BaronChocula Oct 2025 #10

In addition to some other good explanations, there is the matter of old names established before known characteristics. erronis Oct 2025 #8

Just call them all America River or Trump river to get instant approval. GreenWave Oct 2025 #11

It's a rite of passage for MN kids to walk across the headwaters NickB79 Oct 2025 #20

My heart hurts Lulu KC Oct 2025 #12

One of the problems might be non native bivalves... shell fish such as mussels .. that causes phosphorus to Botany Oct 2025 #13

Seems unlikely. Erie gets ocean going vessels from the Atlantic... Wounded Bear Oct 2025 #16

All it takes is one boat that was in the Great Lakes and not cleaned off underneath and or a shore or Botany Oct 2025 #18

Zebra mussels haven't been found in Itasca. Yet NickB79 Oct 2025 #19

I am a half of a bottle of wine into my evening but this is a different creature from zebra mussels. Botany Oct 2025 #21

I remember reading many years ago, that the creeks and streams of lower Ontario FakeNoose Oct 2025 #14