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Deformed fish in Alberta

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Deformed fish in Alberta


Business | 206914 hits | Apr 03 10:50 pm | Posted by: BeaverFever
14 Comment

A renowned Canadian scientist says there appear to be similarities between fish deformities found downstream from Alberta's oilsands and those observed after the Exxon Valdez oil spill in Alaska and Florida's Deepwater Horizon disaster.

Comments

  1. by avatar BeaverFever
    Thu Apr 04, 2013 5:54 am
    Oilsands and Experimental Lakes Area stories...together at last!

  2. by avatar martin14
    Thu Apr 04, 2013 6:50 am
    So the former director of the ELA wants his playground back, along with money,
    to investigate oil and fish in Ontario.

    While the sands are in Alberta.


    I don't see an agenda here. :P






    Nature imitating art ?




  3. by avatar Zipperfish  Gold Member
    Thu Apr 04, 2013 3:30 pm
    The thing is that Harper isn't going to get his pipeline anywhere as long as the public perception of his government as environmental laggards continues. Closing research facilities like the ELA is one of the reasons that perception continues.

  4. by OnTheIce
    Thu Apr 04, 2013 4:04 pm
    "Zipperfish" said
    The thing is that Harper isn't going to get his pipeline anywhere as long as the public perception of his government as environmental laggards continues. Closing research facilities like the ELA is one of the reasons that perception continues.


    Just because it's a big issue for you, doesn't make it a big issue for the majority of Canadians.

  5. by avatar DrCaleb
    Thu Apr 04, 2013 4:29 pm
    "OnTheIce" said
    The thing is that Harper isn't going to get his pipeline anywhere as long as the public perception of his government as environmental laggards continues. Closing research facilities like the ELA is one of the reasons that perception continues.


    Just because it's a big issue for you, doesn't make it a big issue for the majority of Canadians.

    It's not a big issue for most Canadians because they don't understand the magnitude of the decision. Just like they don't understand exactly what is lost by not having a mandatory long form Census.

  6. by avatar BartSimpson  Gold Member
    Thu Apr 04, 2013 4:42 pm
    A few years back we had a similar event in California where frogs were found that were deformed and the usual 'experts' trotted out their conclusions that global warming and pollution were absolutely to blame.

    And then an actual scientist did some actual research and found out that the culprit was a parasite that infected tadpoles and altered the process that changes them from a tadpole to a frog (the exact word escapes me at the moment).

    State Fish & Game sprayed the areas affected for the parasite and the issue ended.

    My guess here is that it may well be the same thing: a parasite.

    But don't anyone let that stop them from jumping to conclusions about how this is a portent of the End Times. Oh, no. It's much more fun to sit back and watch the doomsayers issue their prophecies.


  7. by avatar DrCaleb
    Thu Apr 04, 2013 4:52 pm
    "BartSimpson" said

    And then an actual scientist did some actual research and found out that the culprit was a parasite that infected tadpoles and altered the process that changes them from a tadpole to a frog (the exact word escapes me at the moment).

    State Fish & Game sprayed the areas affected for the parasite and the issue ended.


    (Metamorphosis?)

    And that's exactly what Canada and the World is losing with the Experimental Lakes area. They test the long term effects of chemicals in the environment such as the chemical cocktail found in the Athabasca, and see if it really does cause mutations in fish. Or they can determine if the source is natural or not, or if it's genetic or not.

    Without a pristine 'lab' to test things in, we only can guess at the causes of symptoms. And guesses lead to bad science.

  8. by avatar BeaverFever
    Thu Apr 04, 2013 5:14 pm
    "martin14" said
    So the former director of the ELA wants his playground back, along with money,
    to investigate oil and fish in Ontario.

    While the sands are in Alberta.


    I don't see an agenda here. :P


    Sometimes you say the stupidest things :roll:

  9. by avatar BartSimpson  Gold Member
    Thu Apr 04, 2013 5:40 pm
    "DrCaleb" said

    And then an actual scientist did some actual research and found out that the culprit was a parasite that infected tadpoles and altered the process that changes them from a tadpole to a frog (the exact word escapes me at the moment).

    State Fish & Game sprayed the areas affected for the parasite and the issue ended.


    (Metamorphosis?)

    Thank you!

    "DrCaleb" said

    And that's exactly what Canada and the World is losing with the Experimental Lakes area. They test the long term effects of chemicals in the environment such as the chemical cocktail found in the Athabasca, and see if it really does cause mutations in fish. Or they can determine if the source is natural or not, or if it's genetic or not.

    Without a pristine 'lab' to test things in, we only can guess at the causes of symptoms. And guesses lead to bad science.


    The problem I see with the ELA is it's not really a controlled environment. The result then that they could test a chemical while simultaneously a passing bird drops a parasite into the environment and the symptoms of the parasite could be blamed on the chemical.

    I'm not sure how you'd truly replicate an environment in a controlled situation but unless they're willng to do that then their results are always going to be suspect.

  10. by avatar DrCaleb
    Thu Apr 04, 2013 5:53 pm
    "BartSimpson" said


    And that's exactly what Canada and the World is losing with the Experimental Lakes area. They test the long term effects of chemicals in the environment such as the chemical cocktail found in the Athabasca, and see if it really does cause mutations in fish. Or they can determine if the source is natural or not, or if it's genetic or not.

    Without a pristine 'lab' to test things in, we only can guess at the causes of symptoms. And guesses lead to bad science.


    The problem I see with the ELA is it's not really a controlled environment. The result then that they could test a chemical while simultaneously a passing bird drops a parasite into the environment and the symptoms of the parasite could be blamed on the chemical.

    I'm not sure how you'd truly replicate an environment in a controlled situation but unless they're willng to do that then their results are always going to be suspect.

    It's as controlled as can be, and still be 'natural'. It's pretty tough in this day and age to find an area of fresh water and an entire dependent ecosystem that is untouched by human pollution. That's what make it so good for dumping a controlled amount of chemical 'X' and observing it's effects over decades. Unless we do that, we'll never know if fish deformities like these are caused by natural or man derived processes.

    Without the Lake Area to test with, we'll never know 'safe' levels of compounds in waters that let us derive legislation for pollution content. We'll never know actual cause and effect of pollution. Everything will just be guessing, and we may end up doing more harm than good.

  11. by avatar martin14
    Thu Apr 04, 2013 9:37 pm
    "BeaverFever" said
    So the former director of the ELA wants his playground back, along with money,
    to investigate oil and fish in Ontario.

    While the sands are in Alberta.


    I don't see an agenda here. :P


    Sometimes you say the stupidest things :roll:





    Any of it not true, or are you just embarrassed that is got caught out so quick ?

    Tell you what; I'll state.. spilling oil into the environment is bad.

    There, all the research you need.

    Happy now ?

  12. by avatar martin14
    Thu Apr 04, 2013 9:42 pm
    "DrCaleb" said


    It's not a big issue for most Canadians because they don't understand the magnitude of the decision. Just like they don't understand exactly what is lost by not having a mandatory long form Census.



    You're probably right, but having the former director writing around inventing new
    projects to get things reopened after they have been closed is... you know.

  13. by avatar BeaverFever
    Fri Apr 05, 2013 1:48 am

    Any of it not true, or are you just embarrassed that is got caught out so quick ?


    Here's what's not true:
    1) Referring to a world renowned research facility as merely the "playground" of one person (a person who hasn't worked there in almost a quarter century!)
    2) Completely inventing the notion that the scientist, himself world renowned, somehow has some personal financial motive (again - hasn't worked at ELA since 1989)
    3) Falsely implying that nothing can be learned about Alberta fish from research in Ontario. Did we not already mention that scientists from all over the world have for decades come to do research at ELA?

  14. by avatar Zipperfish  Gold Member
    Fri Apr 05, 2013 1:57 am
    "BartSimpson" said
    A few years back we had a similar event in California where frogs were found that were deformed and the usual 'experts' trotted out their conclusions that global warming and pollution were absolutely to blame.

    And then an actual scientist did some actual research and found out that the culprit was a parasite that infected tadpoles and altered the process that changes them from a tadpole to a frog (the exact word escapes me at the moment).

    State Fish & Game sprayed the areas affected for the parasite and the issue ended.

    My guess here is that it may well be the same thing: a parasite.

    But don't anyone let that stop them from jumping to conclusions about how this is a portent of the End Times. Oh, no. It's much more fun to sit back and watch the doomsayers issue their prophecies.



    I agree, Bart. People, including scientists, are always too quick to blame pollution. Parasites are often the culrpit. Sometimes there's just natural background levels of contaminants that were here long before the industrial age that affect fish. You can't jump to conclusions.

    This is an issue in the oil sands. The natural level of hydrocarbons, metals and host of other suspects are very high there. Why? Well, because they're the oil sands; they contain all these things in the geology of the area.

    But, then I'd say that's the importance of science to find out what's going on. With no science, then it's all speculation.

    I had a scientist buddy testing the toxic effects of selenium on fish. He had a control population (not exposed) and a test population (subject to selenium). He ran his tests, but both sets showed signs of deformities (dual spines, fins on their heads, etc). It turns out that the soil in the area is naturally high in selenium. He was feeding the fish worms that had done nothing but eat high-selenium soil. Still, if we hadn't run those tests, we might not have known that.



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