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Areas of hypoxia growing

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This topic contains 11 replies, has 5 voices, and was last updated by Avatar of Altaica Altaica 4 years, 4 months ago.

Viewing 12 posts - 1 through 12 (of 12 total)
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  • #1216
    Avatar of i_is_j_smith
    i_is_j_smith
    Participant

    In today’s Yahoo news:

    http://news.yahoo.com/s/mcclatchy/20100307/sc_mcclatchy/3444187

    This will be something that needs to be addressed in any location analysis. The last thing you want to do is setup shop with your seastead in an area of low (or no) oxygen….or even near one of these areas if they are growing as fast as the researchers say. It would put a little dent in your aquaculture systems.

    #9769
    Avatar of Altaica
    Altaica
    Participant

    i_is_j_smith wrote:

    In today’s Yahoo news:

    http://news.yahoo.com/s/mcclatchy/20100307/sc_mcclatchy/3444187

    This will be something that needs to be addressed in any location analysis. The last thing you want to do is setup shop with your seastead in an area of low (or no) oxygen….or even near one of these areas if they are growing as fast as the researchers say. It would put a little dent in your aquaculture systems.

    Once apon a time Country’s only claimed 3 miles of the surrounding ocean. then offshore prospecting became profitable and they claimed several hounder miles. Now they claim the huge EEZ and the entire continental shelf. One Seasteading becomes viable they are going to curve up the oceans the same as they did the land. It was only WW2 when they gobbled up every rock sticking out of the sea.

    Bottom line is if you are tied to a specific region of the ocean you and F*CKd longterm-wise anyway. You need to depend only on what’s on your seastead NOT what’s around it.

    No wounder, no other Sea stead comes close to my 17USD per square foot of deck.

    Οὐκ ἐμεῦ ἀλλὰ τοῦ λόγου ἀκούσαντας ὁμολογέειν σοφόν ἐ&si

    #9775
    Avatar of i_is_j_smith
    i_is_j_smith
    Participant

    Altaica wrote:
    You need to depend only on what’s on your seastead NOT what’s around it.

    So are you going to grow fish on your seastead?

    I assume you are talking about being mobile, so you can move to a different location if something like this happens.

    #9780
    Avatar of Altaica
    Altaica
    Participant

    i_is_j_smith wrote:

    So are you going to grow fish on your seastead?

    If we have any need for fish. yes they will be raised in the sea stead.

    Οὐκ ἐμεῦ ἀλλὰ τοῦ λόγου ἀκούσαντας ὁμολογέειν σοφόν ἐ&si

    #9794
    Avatar of Pastor_Jason
    Pastor_Jason
    Participant

    You have a viable seastead that can deal with ocean waves and weather that costs 17 USD per square foot of usable space? Sounds unlikely. If it were true why wouldn’t you be living on it right now?

    As for hypoxia… that’s a huge issue. Making a statement that you would ‘raise fish ON your seastead’ rather than use the natural resource you’re floating in also seems a bit far fetched.

    How about this, until you’re actually floating in the open ocean we keep comments like ‘Oh, my force field will protect me from that’ to ourselves rather than just shoot down a realistic threat to our planet with a silly fanciful offhand remark.

    Of course, I realize that I’m shooting down your seasteading plans with an offhand remark, so how about this… post the link to your proposed design in this thread and I’ll gladly take the conversation to the appropriate thread, that way we can keep this thread focused on hypoxia rather than ‘fusion fueled forcefield floaters from fantasia’.

    Back on topic again… hypoxia. Isn’t this attributed to an algae bloom due to the content of run off containing too much fertilizers and chemicals? Perhaps we could introduce a species that feeds on this kind of algae and thus propogate some biomass we can sell while putting a dent in the hypoxia issue?

    Assuming that governments will not willingly change their ways and that we’ll be impacted by this pollution of our waters I think it is only fair to consider possible solutions to oxygen dead waters as we might have to float in them for a while as we travel about.

    Live Well!

    #9804
    Avatar of i_is_j_smith
    i_is_j_smith
    Participant

    Pastor_Jason wrote:
    Back on topic again… hypoxia. Isn’t this attributed to an algae bloom due to the content of run off containing too much fertilizers and chemicals?

    While this is true, there are also naturally-occurring zones of low-oxygen…especially in deep water areas. The problem is that upwelling brings cold nutrient-rich water up from the depths and it causes massive growth of phytoplankton at the surface. These phytoplankton die, sink to the bottom, and start to decompose which depletes the already low levels of oxygen.

    Normally upwelling is a natural part of the ocean cycle, but changes in weather patterns and the ocean’s circulation are causing upwelling in broader areas that didn’t see it before, so these areas of low or no oxygen are spreading.

    So it’s not just an issue of pollution, it’s an issue of the entire planet’s delicate cycles being disturbed by climate change. If you could find an organism that eats dead plankton and releases oxygen then you’d be in business.

    #9810
    Avatar of Altaica
    Altaica
    Participant

    Pastor_Jason wrote:

    You have a viable seastead that can deal with ocean waves and weather that costs 17 USD per square foot of usable space?

    That’s don’t count the pontoons (which I’m still searching for prices for the materials) the two paramiters aren’t strongly dependand in my design.

    What do you mean by viable? This is just for an ‘empty lot’ type seastead so you can build your house of bussness on. and It’s designed to take theimpact of ocean waves, nothing about doing it gently. (I devoloped it 5-10 acre floating farm. 5 acre’s is alittle less than a square with 209 feet long sides)

    Pastor_Jason wrote:
    Sounds unlikely. If it were true why wouldn’t you be living on it right now?

    Beside that fact that I just got done designing it less than a week ago. I don’t have any place to build it. That “17 USD per square foot of usable space” is all top deck,

    Pastor_Jason wrote:
    As for hypoxia… that’s a huge issue.

    So huge that they have devoloped ways to deal with it. google Water aeration

    Making a statement that you would ‘raise fish ON your seastead’ rather than use the natural resource you’re floating in also seems a bit far fetched.

    Don’t let xnsdvd hear you. He is one us fish farm kooks, too.

    Pastor_Jason wrote:
    How about this, until you’re actually floating in the open ocean we keep comments like ‘Oh, my force field will protect me from that’ to ourselves rather than just shoot down a realistic threat to our planet with a silly fanciful offhand remark.

    You’re being over dramatic. This isn’t any threat to the planet. Earth has faced mass exteantions before and it’s still here. When the current ecosystems die new ones will pop up to replace them. forinstance Humboldt Squid love the new acidic ociens.

    Pastor_Jason wrote:
    Back on topic again… hypoxia. Isn’t this attributed to an algae bloom due to the content of run off containing too much fertilizers and chemicals? Perhaps we could introduce a species that feeds on this kind of algae and thus propogate some biomass we can sell while putting a dent in the hypoxia issue?

    Nope.

    :P

    It isn’t caused by too many oxygen breathing organisms being in the water. The species would have to be an anaerobic organism. but anaerobic lifeforn like hypoxia.

    Pastor_Jason wrote:
    Assuming that governments will not willingly change their ways and that we’ll be impacted by this pollution of our waters I think it is only fair to consider possible solutions to oxygen dead waters as we might have to float in them for a while as we travel about.

    aeration! It world be like the oxygenation barges that are currently used.

    Οὐκ ἐμεῦ ἀλλὰ τοῦ λόγου ἀκούσαντας ὁμολογέειν σοφόν ἐ&si

    #9815
    Avatar of elspru
    elspru
    Participant

    At the seasteading conference this was discussed.

    A tried and true method is distributing microparticles of iron,

    as a micronutrient for the phytoplankton to produce more oxygen.

    Also possible to create upwellings to get more nutrients near the waters surface.

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    #9817
    Avatar of xns
    xns
    Participant

    Actually our fish are raised in the 54,000ft2 of sea-space around our 16,000ft2 farm. Free phytoplankton means free zooplankton means free bait/trash fish blah blah blah The only things we do in closed loop systems are hatchery work for the Epinephelus coioides and E. lanceolatus larvae.

    Also, at $17/ft2 what’s the lifespan of your platform? Ours costs $9.64/ft2 and is basically granite/plastic and concrete. Maintenance free materials that’ll outlive most civilizations.

    Finally, low O2 levels are a concern, but only in shallow water with excessive ammonia NH4 and nitrates NO3 in almost every location outside an EEZ you(and your livestock) are pretty safe. You could also just turn all those ions into fish. Just ask the planktos people.

    King Shannon of the Constitutional Monarchy of Logos.

    #9822
    Avatar of Altaica
    Altaica
    Participant

    xnsdvd wrote:
    Actually our fish are raised in the 54,000ft2 of sea-space around our 16,000ft2 farm.

    Hay xnsdvd, I was wonderng how do you keep your fish from running away? I had never even heard of a fish farm that didn’t keep them in holding pins before.

    and a side though, wouldn’t that be more like fish ranching?

    xnsdvd wrote:
    Also, at $17/ft2 what’s the lifespan of your platform? Ours costs $9.64/ft2 and is basically granite/plastic and concrete. Maintenance free materials that’ll outlive most civilizations.

    the $17ft^2 if for making it from hdpe reinforced with fiberglass. The lifespan of my platform is untill you stop maintance. Everything is designed to be replacible without damaging the surrounding structure.

    What’s the cost of making the old wooden Kelong?

    xnsdvd wrote:
    Finally, low O2 levels are a concern, but only in shallow water

    I was woundering about that.

    Οὐκ ἐμεῦ ἀλλὰ τοῦ λόγου ἀκούσαντας ὁμολογέειν σοφόν ἐ&si

    #9823
    Avatar of xns
    xns
    Participant

    The pens/cages occupy space around the farm. This is with reference to Pastor_Jason’s point about not growing fish ON the platform.As for the cost of traditional Kelongs… I’ve seen them range from $80,000 for a 3000ft2 farm to $2,000,000 for a 2 Hectare or 215,278ft2 farm. But they’ve got a lifespan of about 5 years before the entire platform has to be rebuilt.

    King Shannon of the Constitutional Monarchy of Logos.

    #9835
    Avatar of Altaica
    Altaica
    Participant

    xnsdvd wrote:

    The pens/cages occupy space around the farm. This is with reference to Pastor_Jason’s point about not growing fish ON the platform.

    I”ll have the area between the bouyncy hull and the top to use.

    Οὐκ ἐμεῦ ἀλλὰ τοῦ λόγου ἀκούσαντας ὁμολογέειν σοφόν ἐ&si

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