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Re: Is this Didymo?

Joined:
2009/6/11 1:27
From York, PA
Posts: 1413
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Quote:

SBecker wrote:
I always thought didymo was slimy. That is why it is called rock snot. No?


Me too! If sure looks like rock snot to me? Even if you call it by another name, it's algae and it wrecks the fishing? Probably polluted water with high nitrates?

FishIdiot, are you sure about this "steel wool" feel? And more importantly, do you get any money from the polluting pig farmers upstream from that creek?

Posted on: 2013/3/6 22:44


Re: Is this Didymo?

Joined:
2006/9/13 10:18
From LV
Posts: 7521
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Longer days = more sun on the water at a higher angle=algae growth out the wazoo. Especially once the water starts to warm up over 40°. Then much of it goes away once the trees leaf out.

Posted on: 2013/3/7 16:50
_________________
It's time to stop stocking all wild trout streams no matter what Classification they are, and time to eradicate brown trout in some of our limestone streams and re-establish brookies in them.


Re: Is this Didymo?

Joined:
2012/10/24 19:22
From Da 'Berg, PA
Posts: 1381
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good man. don't forget to bleach your boots.

Posted on: 2013/3/7 17:30
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nowhere is so sweet, as the bosom of the vale where the bright waters meet.


Re: Is this Didymo?

Joined:
2009/11/9 20:05
Posts: 14
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Check out International Anglers website, they have a video there that shows the big " D " up close and personal. I think the shots are from eastern PA area. Good reference video! JEffinPA

Posted on: 2013/3/7 21:54


Re: Is this Didymo?

Joined:
2012/10/24 19:22
From Da 'Berg, PA
Posts: 1381
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Google says didmyo feels like welt felt or wet cotton wool.

I'd guess the difference between snot and normal slime is that the slimey nature of algae allows the suspension of and percolation through of oxygen, whereas didymo suffocates the stream bed .


Posted on: 2013/3/8 13:50
_________________
nowhere is so sweet, as the bosom of the vale where the bright waters meet.


Re: Is this Didymo?

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2006/11/10 8:32
Posts: 1688
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On Fri, 3/8 my crew did stocked trout residency electrofishing on West Valley Ck and then shot over to Valley Ck to recon. the "Didymo" report since they were in the area. As suspected from the photo, the biota were not Didymo (fortunately). We appreciated the report along with the photo, however, and were pleased that the individual who made the report was also concerned regarding not wanting to send us on a wild goose chase. He even offered to return to the stream to touch the material before having us come out.

Posted on: 2013/3/9 12:17


Re: Is this Didymo?

Joined:
2011/11/5 14:27
From MidAtlantic
Posts: 309
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Course when alive and slimy when it dies. The Gunpowder has a bloom most Winters and then when the water warms a little it dies and sloughs off in a gray to white color and a slimy consistency that sticks to everything, hence the snot. This year we had a lot of water coming over the spillway so I am hoping that it is not as bad this year. It is a pain early season when it dies and rolls down the river sticking to everything and anything.

Posted on: 2013/3/9 13:42


Re: Is this Didymo?

Joined:
2009/11/5 1:46
Posts: 143
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Quote:


Me too! If sure looks like rock snot to me? Even if you call it by another name, it's algae and it wrecks the fishing? Probably polluted water with high nitrates?


No. The lousy thing about didymo is that it only grows in the best quality water, where there aren't enough nutrients for any other algae to grow. It means it's nuisance in the very places you least want it.

Quote:
are you sure about this "steel wool" feel?


Yes. It's a colony of diatoms, and contains spikes of silica. Dried out, it's pretty much the same thing as "diatomaceous earth".

Posted on: 2013/3/9 17:32



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