<
https://www.sciencealert.com/scientists-studying-earths-trees-issue-a-bleak-warning-to-humanity>
'From soaring coastal redwoods to dinosaur-era Wollemi pines and firs that make
the perfect Christmas trees, even our most revered woody plants are in an awful
lot of trouble.
But it turns out that losing some species won't just endanger local forests; it
will threaten entire ecosystems, research shows.
In 2021, a global assessment titled
State of the World's Trees found a
shocking one-third of all tree species are currently teetering on the edge of
existence.
This amounts to about 17,500 unique tree species that are endangered.
That's more than double the number of all threatened tetrapods (mammals, birds,
amphibians, and reptiles).
Some trees are so rare that only a single known individual remains, like the
lonesome palm in Mauritius,
Hyophorbe amaricaulis.
In a subsequent study from 2022, the same researchers issued a "warning to
humanity" about the consequences of these losses, backed by 45 other scientists
from 20 different countries.
Conservation biologist Malin Rivers from Botanic Gardens Conservation
International and colleagues outline the many impacts these losses will have on
our economies, livelihoods, and food.
Most of our fruit comes from trees, as do many nuts and medicines, with
non-timber products amounting to about US$88 billion worth of trade.
In the developing world, 880 million people rely on firewood for fuel, and 1.6
billion people live within 5 kilometers (3 miles) of a forest, relying on them
for food and income.
All up, trees contribute about US$1.3 trillion annually to the global economy,
yet we're destroying billions of them every year – clearing massive tracts of
land for farming and development.
Trees are each their own little worlds, teeming with all sorts of single- and
multicellular-life forms, including other plants, fungi, bacteria, and animals.
Lose a tree, and this entire world dies too. They often form the supportive
base for the whole web of life around them.
In fact, half of all the world's animals and plants rely on treed habitats.'
Via Rixty Dixet.
Cheers,
*** Xanni ***
--
mailto:xanni@xanadu.net Andrew Pam
http://xanadu.com.au/ Chief Scientist, Xanadu
https://glasswings.com.au/ Partner, Glass Wings
https://sericyb.com.au/ Manager, Serious Cybernetics
