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Hi Chris,I think they include quite a lotespecially under pouring rain!...strong winds space probablyapplying significant forces too.Talking about plant EXPERTS!funkod <
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a mature healthy and balanced tree deserve to have anything in between 100 and also 200,000 leaves, with the weight of each leaf being approximately 5g (but with huge internal variability). So if us take 150,000 together a mean, climate that way 750,000 g or 0.75 lots (for a deciduous tree. Over there is much less load fluctuation because that needle fixed in a conifer). However, there is the aspect of stored carbohydrates going towards the development of the pipeline which currently are had in the load of the tree, and also the reality that numerous trees have currently developed the following years leaves and flowers in ~ the bud, for this reason in actuality, the weight rise to the tree might not it is in all that great. The genuine weight increase in the tree is firstly the water offered within these new leaves, and secondly the yearly growth in the stem and branches. In a maturation spruce woodland in Britain, this have the right to be approximately 24 cubic metres every hectare (about 20 tonnes), whereas an oak stand deserve to be as low together 3 or 4 (just under 4 tons). So every spruce tree, this would be a network weight adaptation of around 30KG every year ~ above average.There are various other masses to encompass - rainfall (and this causes a high degree of weight fluctuation within the whole tree - the trunk measurably grow and also shrink depending on the water availability), pollution depositions, insect mass etc etc...