The WOOD WIDE WEB – how trees talk to each other! (Suzanne Simard) forest trees documentary

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The WOOD WIDE WEB – how trees talk to each other! (Suzanne Simard) forest trees documentary


imagine you’re walking through a forest
I’m guessing you’re thinking of a collection of trees but a forest is much
more than what you see underground there is this other world a world of infinite
biological pathways the connect trees and allow the forest to behave as though
it’s a single organism my coryza literally means fungus route through the
mushrooms the mushrooms are fungal threads that form a mycelium and where
the fungal cells interact with the root cells there’s a trade of carbon for
nutrients the web is so dense that there can be
hundreds of kilometers of mycelium under a single footstep that mycelium connects
different individuals not only of the same species but between species we have
found that mother trees nurture their young a mother tree can be connected to
hundreds of other trees mother trees will send their excess carbon through
the mycorrhizal network to the understory seedlings they even reduce
their own route competition to make elbow room for their kids when mother
trees are injured or dying they also send messages wisdom onto the next
generation of seedlings so we’ve used isotope tracing to trace
carbon moving from an injured mother tree down her trunk into the mycorrhizal
Network and into her neighboring seedlings not only carbon but also
defense signals through back-and-forth conversations
they increase the resilience of the whole community that’s because there are
many hug trees and many overlapping networks so trees talk but they’re also
vulnerable not only to natural disturbances like bark beetles that
preferentially attack big old trees but high-grade logging and clear-cut logging
you see you can take out one or two hub trees but there comes a tipping point
because hub trees are not unlike rivets in an airplane you can take out one or
two and the plane still flies but you take out one too many or maybe that one
holding on the wings and the whole system collapses massive disturbance that this scale is
known to affect hydrological cycles degrade wildlife habitat and emit
greenhouse gases back to the atmosphere which creates more disturbance and more
tree die box we need to save our old girls for us these are the repositories of genes and
mother trees and mycorrhizal networks we need to reestablish local involvement
in our own forests when we do come we need to think the
mother trees and networks so they can pass their wisdom on to the next
generation of trees we need to regenerate our forests with a diversity
of species and genotypes and structures allowing natural regeneration we have to
give Mother Nature the tools she needs to use her intelligence to self heal and
we need to remember that forests aren’t competing with each other they’re super
co-operators you you

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