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Author: Subject: Red Tide
Sharksbaja
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[*] posted on 2-20-2008 at 10:39 PM


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Not enough fish remain to consume phytoplankton before it dies and settles on the bottom, creating an anoxic dead zone.


This doesn't make any sense to me. I don't buy this theory.


tp, are you daft? I said sea not bay. Are you really serious about everyones' raw sewage just running off into the bay? Are you familiar with all the techniques employed at leeching grey water.
Yes, sand fiters are required in many locations with high water tables. No? Good, no good Mr Expert.
A pro at cooking and sewage disposal in Baja. I'll bet more than that!:bounce:

Hey Bob, I ran into a turd out in front of your place. Was it yours? There was no tp around. Did you intentionally name yerself tp because yer so full of chiite?


Yer just a troll with an attitude, go away please.
I won't play this game no mo.




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Skipjack Joe
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[*] posted on 2-21-2008 at 12:04 AM


Quote:
Originally posted by Sharksbaja
Quote:

Not enough fish remain to consume phytoplankton before it dies and settles on the bottom, creating an anoxic dead zone.


This doesn't make any sense to me. I don't buy this theory.


I agree with you that that reasoning is a bit suspect. The idea that to much upwelling causes blooms followed by dead zones seems to be the opposite of what you'd expect. After all the El Nino effect in South America causes dieoffs due to a LACK of upwelling followed by insufficient nutrients.

Then to tie it all with increased winds due to global warming. I suppose it makes sense but I would like to see the data that drove these conclusions.

The conclusion that large amounts of organic matter causes blooms, however, is on solid ground and has been known for at least 40 years now. But this summer's red tide at abreojos just doesn't make sense to me. I mean, we're not talking about a Santa Monica Beach with a half a million people living along it's shoreline. It's not a harbor or a bay and has good flushing.
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Sharksbaja
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[*] posted on 2-21-2008 at 12:35 AM


Yep, phosphates. nitrates and the like have been doing damage for decades. I remember when the kelp die-off in PV during the seventies was due mostly from the proliferation of chemical-loving sea urchins.
It's frightening though in terms of rapid change. The cold water rejects change. Where a seafloor takes ten to twenty years to repair itself after dragging, a cold water environment could take a hundred.

[Edited on 2-21-2008 by Sharksbaja]




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Bob and Susan
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[*] posted on 2-21-2008 at 11:37 AM


the turd was not ours...sorry

we have a system that "perks up" and plants "eat" the nitrogen

the tanks and the 400 feet of leach lines are actually above the ground

the grey water feeds the plants

soon we are getting some paspalum (sp) grass for the base of the "island" to eat more sewage

yes there are bad bad septic systems in the bay...

its sure hard to correct these problems when there is NO water treatment plant available

everyone just needs to talk to one neighbor at a time and explaine what needs to be done to keep the bay clean




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