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Sustainable forest management jutt (0)

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Punktid
  • slaid
    If we destroy some kind of spiece, we cant recreate it. They carrie unique information which cant be restored. Maybe in the future, the technology will get so far that they can recreate some extincted spieces.
    Here is araucaria mirabilis which was living approximately 160 million years ago
    If we create some culture on the field or cut down some alder forest and replace it with spruces, will it have interaction to the whole world? It’s extremely difficult to answer , because there are so many factors.
    4. slaid
    Renewable resources have became metaphor with meaning that its easy way to produce energy.
    Its easy to destroy our forests but it changes our ecosystem. They cause blowdowns, erosions and so on.
    5.slaid scope of history
    Forests sometimes need to be updated. We need to take down trees with diseases . But we cant cut down trees which have cultural information in them . There may have some text beaten in from thousands years ago.
    Here is a tree which has old bicycle in it.
    6.slaid
    Scientist may strive and work out „ safe ” genetical plant modificating but do we investigate these trees enough, before we start using in forestry? We will never know what could happen . It may not happen today or tomorrow but it can happen in next century . Essentially are GMO trees used by fruit-farmers. Here is a picture of genetically changed tree leaf. ( pappel ) poplar
    (Fruit-tree farmers are using it essentially)
    7.slaid
    We have found law-like behaviours in ecosystems . For example when the forest is overflooded, there will be swamp.
    Our knowledge is getting wider every day.
    8.slaid
    Conclusion
    We need to be careful before we start developing and taking risks.
    We need to make difference between trees with meaning and usual trees. We cant cut down trees which have historical meaning
    we need to make sure what tree it is before we start cuting it. Maybe this tree is on the border of extinction.
    Thank you for listening .
  • Sustainable forest management jutt #1
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