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Environment, Action and the Old Days

Discussion in 'Other Chatter' started by C_Claycomb, Sep 19, 2019.

  1. santaman2000

    santaman2000 M.A.B (Mad About Bushcraft)

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    Extremely predictable.
     
  2. santaman2000

    santaman2000 M.A.B (Mad About Bushcraft)

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    You have my sympathy for the shortage of good food. When I was there the food was quite good and in good supply. What changed?
     
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  3. Janne

    Janne M.A.B (Mad About Bushcraft)

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    You can not buy good food with a welfare benefit check if you are a meds abuser.
     
    #83 Janne, Sep 21, 2019
    Last edited: Sep 21, 2019
  4. Fadcode

    Fadcode Full Member

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    My apology, apart from the fact my comment was not to you, and I did add lol on the end, I thought a sense of humour was helpful in a light hearted thread
     
  5. Broch

    Broch Full Member

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    In all subjects, such as politics, the environment, royalty, our rights etc.... assume the press is wrong, you are wrong, they are wrong … but there is a third truth. By polite discussion and exchange of ideas try to find the third truth.

    That means questioning everything extremists, the press and media and even your friends say :)
     
  6. oldtimer

    oldtimer Full Member

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    Also question your own views, by examining how you formed them, on what evidence and whether they are still valid in the light of further experience.
     
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  7. Janne

    Janne M.A.B (Mad About Bushcraft)

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    I am tossing a firebrand here / devils advocate:

    We all know the negative outcome(s) of a warmer Earth.

    But, what are the positive ones?
    Large areas of Earth are hardly habitable due to cold. Southern South America, a large chunk of North America, Greenland, Northern part of Siberia.

    These will warm up and become ( more) habitable.

    The large swaths of desert ( hot area) will possibly grow, possibly shrink ( due to higher water content in the global atmosphere = more clouds = more precipitation).


    I have always wondered this: during the latest Ice Age, Sahara was a very wet area with rivers, lakes, a multitude of animals.
    During the same time, the areas just south of the ice sheet was inhabited by mega fauna. Siberia, an incredibly cold and hostile environment today, must have been warm enough to be lush, have summers long enough to sustain large herds of megafauna.
    (Today, Reindeer need to migrate to forested areas from the Tundra because they can not find enough food there in winter.)

    A couple of islands north of the Siberian Arctic coast, had a climate warm enough to make a viable population of mammoths survive several thousand of Millenia longer than on the mainland, until they died out around 2500 or so years ago.
    How is that possible?

    Do we know how the Earth looked like during the warmest part of the last interglacial period?
     
    #87 Janne, Sep 22, 2019
    Last edited: Sep 22, 2019
  8. Janne

    Janne M.A.B (Mad About Bushcraft)

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    My thinking is, that if we know how it was ( I suspect scientists know) then, then we should be able to fairly accurately predict the future.
     
  9. EffyGent

    EffyGent Member

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    Interesting. I was thinking something similar last night - polar bear numbers are reported by some to be shrinking. But what is the optimum number of polar bears? If we don't know that, we don't know if the reduction is a good or a bad thing. Maybe previously there were fewer, because of the larger mammals preying on the bears.......

    Sent from my HUAWEI VNS-L31 using Tapatalk
     
  10. Broch

    Broch Full Member

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    I actually think my post about not believing anything you are told is as relevant in the news thread as it is here; but hey, you haver the power :)
     
  11. C_Claycomb

    Mod

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    I agree that it would have been good in the News section. I think that my post that started all this would have been good in the News section too, but all the posts that followed mine, and the ones that gave rise to yours, did not follow on in a coherent way from what was left in News.

    Power...yeah...roll on the day that this job can be done by AI! :borg2:
     
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  12. santaman2000

    santaman2000 M.A.B (Mad About Bushcraft)

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  13. Billy-o

    Billy-o Native

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    Must be them greedy Arctic Uber-Tigers, just can't snacking on those cute little Polar Bears lol:
     
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  14. santaman2000

    santaman2000 M.A.B (Mad About Bushcraft)

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    The polar bear is the largest bear in the world. I believe it’s also the largest land predator in the world although since they swim a lot I suppose sharks and orcas might prey on them.
     
  15. EffyGent

    EffyGent Member

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    :sigh: I'm not saying that numbers are reducing now because the bears being preyed upon. I'm saying maybe previously (as in, not now, but before now, as people seem to struggle with that term) their numbers were lower than they are now, for whatever reason. So a drop in numbers from the current levels might still be more than at other times in history.

    Sent from my HUAWEI VNS-L31 using Tapatalk
     
  16. santaman2000

    santaman2000 M.A.B (Mad About Bushcraft)

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    At least in North America there have been a few cases of polar bears hybridization with grizzlies. Not many but a few. The prevailing thought is it’s due to the two species being pushed together by climate change as their ranges begin to overlap.
     
  17. santaman2000

    santaman2000 M.A.B (Mad About Bushcraft)

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    Siberian tigers do indeed venture into the arctic. They occasionally swim the Bearing Straights into Alaska. But I don’t believe they’re big enough to take a grizz or a polar bear.
     
  18. Robson Valley

    Robson Valley Full Member

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    It's hard to describe in words how big a prime polar bear is. 11' - 12' to nose tip, standing up?
    Google polar bear watching in Churchill, Manitoba and compare the size of the people to the bears.

    Alaskan Kodiak bear vs a Siberian Tiger? Maybe 5/4 odds to the bear. Gonna be a lot of blood spilled.
    Polar bear vs Siberian Tiger? Maybe 5/4 odds to the Tiger.

    Polar/Grizz bear hybrids? Yes, some have been analyzed.
    One hypothesis is that the polar bears are being driven inshore by a lack of sea ice for seal hunting.

    The bears are too much of a risk, even to the south here at 53N, to take tribes of kids out for a wilderness sleepover.
    A tribe of kids is a BIG environmental hit for impact. Even the soil compression from foot steps. Spell "trail" for me.
    That implies a great number of prepared sites, many of which will need to be rested.
     
  19. Tengu

    Tengu Full Member

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    So how did people manage in the past?
     
  20. Deekin

    Deekin Full Member

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    surprisingly well. Depends on how far back you go I suppose. I had a much easier way of life 40 years ago working in the remote Scottish Highlands barely touched by consumerism (and electricity) didn't even have a phone. Gamekeepers used ponies instead of quad bikes, and I went to the nearest town once every other month. Ate a lot of fish and game.
     

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