image: A recent study examining carbon storage in Pacific Northwest forests demonstrated that although large-diameter trees (21 inches) only comprised 3% of total stems, they accounted for 42% of the ...

Amid campaigning by environmentalists, Sustainable Timber Tasmania has tweaked the way it classifies giant trees. What the policy change means >> STT will now consider trees of 4 metres in diameter to ...

As it stands, that depends on where it grows. In the urban part of the city, inside the Greenbelt, any tree with a trunk more than 30 centimetres in diameter at chest height is considered a ...