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Thread: Quercus robur - life strategy

  1. #1 Quercus robur - life strategy 
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    Hi All,

    I wal always thinking that English oak is an example of competitor (sensu Grime 1979) - until a reviewer made a remark that it is rather stress tolerator. What do you think of the oak life strategy, in what category does it fall?


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    Universal Mind John Galt's Avatar
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    would you like to expand on that a little?


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  4. #3  
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    Sure. Stress-tolerator tolerates some environmental deficit, such as missing nutrients, water, light. And it doesn't have to be particularly long-living. Among tree species hornbeam Carpinus betulus is commonly considered the ST even though it hardly outlives 150 years or so. On the other hand English oak is not particularly tolerant (to shade, drought), but due to its conspicuous longevity, higher resistance to decay, physical injury, it is able to outcompete finally less "robust" species, including reactive pioneering trees (such as birch, aspen) and shorter living tolerant species (such as hornbeam, spruce).
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    Universal Mind John Galt's Avatar
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    that's an interesting question that lies on the edge of my knowledge. I shall try to do some reading on it over the next couple of days and get oyu to comment on any response I make.
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  6. #5  
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    Thanks! I look forward to hearing your opinion!
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