[SM] urban trees vs rural trees

[RS Wood]

From the «still hope we plant lots more» department:
Title: Urban Trees Grow Fast and Die Young
Author: he...@slashdot.org
Date: Thu, 09 May 2019 13:50:00 -0400
Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/RD4JqonkHi8/urban-trees-grow-fast-and-die-young

Trees in urban streets grow more quickly but die faster than those in rural
forests, resulting in a net loss of carbon storage from city planting
initiatives, new research shows. From a report: Researchers led by Ian Smith of
Boston University, US, found that street trees in Boston grow nearly four times
faster than those in forest stands nearby in rural Massachusetts. However,
mortality rates of street trees are more than double those in rural forests,
with young and very large trees most at risk. The findings have implications
for urban greening programs, suggesting that planting initiatives alone are
insufficient to meet municipal carbon storage, canopy cover and biomass goals.
Many cities are embracing greening initiatives to improve urban sustainability
and reduce the environmental impacts of urbanisation, the researchers write.
"However, cities have been dramatically understudied by ecologists," they add.
"Despite the widely espoused benefits of urban trees, the role of urban
vegetation in the carbon cycle remains uncertain." Street trees take many years
to pay their way on carbon costs.

[image 2][2][image 4][4][image 6][6]

Read more of this story[7] at Slashdot.
[image 8]

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