Showing posts with label deciduous. Show all posts
Showing posts with label deciduous. Show all posts

Science Holds That Australia is Evergreen

Science: Fagus Nothofagus gunnii is Australia's only temperate deciduous tree.
Australia has always been very hot. So hot in fact that only a few deciduous trees ever evolved. True some have been brought from other countries and the trees do grow in the cooler regions of Australia today. However, except for small pockets in the tropics evergreens predominate.

Fagus Nothofagus gunnii Australia's only temperate deciduous tree

Trees which drop there leaves prefer a fixed unchanging climate. Australia is where the unexpected happens. Like the present where we are having a long hot end to summer and it is unusually wet. Evergreens can adapt and take off when conditions are favorable. When deciduous trees lose there leaves it could rain heavily, but they can no longer absorb the moisture. Conversely, putting out leaves when it dry for months on end is totally ineffective. Hold onto your leaves is the moto. When it rains evergreens are ready to push on to further growth.

Australia has one lonely temperate deciduous tree. And wouldn't you know it, the tree only grows in Tasmania, which gets the icy wind from Antarctica. These winds are always there in winter so the deciduous beech or Fagus ("Nothofagus gunnii") puts on a fabulous autumn leaf display then goes dormant during winter.
 Science by Ty Buchanan 
 Australian Blog
            Australian Blog   Adventure Australia
ALL BLOG ARTICLES· ──► (BLOG HOME PAGE)
Australia has only one temperate deciduous tree Fagus Nothofagus gunnii all evergreen trees on the continent articles news politics economics society anthropology historiography history sociology people nations country asia europe africa u.s. south america central Mediterranean eastern western interesting funny technology free news sex