FYI

[tjm]

1 hour ago, fishinwrench said:

Ok, then why hasn't this kinda thing been happening all of our lives?   I've been around for 55 summers.

When was the very first time you heard of low DO in a lake? 

I have only been aware of it for a couple years, so, I'm curios how fish lived before they got DO.

[fishinwrench]

38 minutes ago, tjm said:

When was the very first time you heard of low DO in a lake? 

I have only been aware of it for a couple years, so, I'm curios how fish lived before they got DO.

Yeah I dunno.  We used to run around taking pH readings because some numbskull biologists named Loren Hill convinced us that that was the key to determining whether we were fishing the proper end of a lake.   He was full of BS and cost me tons of money in gas, and since I ran a Mercury back then it cost me a couple powerheads too.

I fished almost every day of every summer back then.  The only fish kill I remember was the LMBV phenomenon.

Low DO kills are a new thing to me.   Sometimes it allegedly happens only to drum, sometimes to bass/walleye, but has yet to happen to bluegill and sunfish....which are EVERYWHERE so it blows my mind how they manage to just never be where the low DO happens to be.     So my BS flag goes to the top of the pole.

[tjm]

See, that's something I didn't know- not having fished lakes much, I would not have guessed that bluegill went down to 30' deep. I always think of them in shallow water.

[aarchdale@coresleep.com]

My obsevations from scuba diving in the summer in Bull is that below the thermocline there is very little life. 95% of the fish live above it. Usually the Walleye we would seek out were right in the middle of it.  We got to where we never spent time under the thermocline, just cold, dark, and lifeless 

[bfishn]

53 minutes ago, fishinwrench said:

...Low DO kills are a new thing to me...

Nothing wrong with that, but they're far from new to fisheries folks. Here's a study on it from the early '60s on Lake Erie. I'm sure you could go back farther, I only spent about 30 seconds looking.

https://kb.osu.edu/bitstream/handle/1811/5114/1/V65N06_319.pdf

 

[Guest]

3 hours ago, fishinwrench said:

Me telling him that he's probably wrong isn't gonna make him want to discover the REAL reason why fish are dying.

most of the time, the squeaking wheel gets the grease.  try squeaking to shane bush instead of here.  send an e-mail with all of your concerns and facts, if you have any.  if you do have facts, and if enough of us take the time to voice our concerns and observations as i did, there might start being some grease applied to our squeaks.  most likely doing all the squeaking on here will not begin to start to get some fixes in progress.

we now at least have a start and an actual person to communicate with.  so again, start squeaking to mr. bush.

bo

[tjm]

23 minutes ago, aarchdale@coresleep.com said:

My obsevations from scuba diving in the summer in Bull is that below the thermocline there is very little life. 95% of the fish live above it. Usually the Walleye we would seek out were right in the middle of it.  We got to where we never spent time under the thermocline, just cold, dark, and lifeless 

Were there a lot of sunfish/bluegills at thermocline  depth?

Interesting thought that just maybe the fish in the kills are fish associated with that thermocilne level and most apt to encounter low O2 , or does the low DO happen at the surface also?

[Devan S.]

13 minutes ago, tjm said:

Were there a lot of sunfish/bluegills at thermocline  depth?

Interesting thought that just maybe the fish in the kills are fish associated with that thermocilne level and most apt to encounter low O2 , or does the low DO happen at the surface also?

In my experience, Bluegills are generally scatter throughout the water column.  If I was fishing for big ones I would definitely start at deeper depths. 

[Quillback]

2 hours ago, fishinwrench said:

And this just suddenly started happening a few years ago ?

That's some good science right there, boy!   If by chance it's accurate then it is indeed incomplete. 😅

No, it's probably been going on since water was invented.  But as others have asked, if you have the answers please tell us.  

[vernon]

2 hours ago, fishinwrench said:

Yeah I dunno.  We used to run around taking pH readings because some numbskull biologists named Loren Hill convinced us that that was the key to determining whether we were fishing the proper end of a lake.   He was full of BS and cost me tons of money in gas, and since I ran a Mercury back then it cost me a couple powerheads too.

I fished almost every day of every summer back then.  The only fish kill I remember was the LMBV phenomenon.

Low DO kills are a new thing to me.   Sometimes it allegedly happens only to drum, sometimes to bass/walleye, but has yet to happen to bluegill and sunfish....which are EVERYWHERE so it blows my mind how they manage to just never be where the low DO happens to be.     So my BS flag goes to the top of the pole.

Can you say "Color Selector"?

Jimmy Houston's buddy.