Talking Trees

A Blog by John Halkett

Month: February 2017

Kauri and monkey puzzle tree

Magnificent planted Queensland kauri at Blackburn Cove, eastern Sydney.

I have always had a soft spot for Agathis trees. This magnificent planted Queensland kauri (Agathis robusta) is adjacent to the beach on eastern Sydney where I occasionally go for a quick swim before work. It has to be well over a hundred years old – perhaps two hundred. Together Agathis and Araucaria form the Southern Hemisphere conifer family of trees Araucariaceae. Agathis – a genus of thirteen species is generally known as kauri, after

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Boreal forests – it’s cold up there

Main tree species in boreal forests are conifers – pines, spruces, firs and larches – adapted to very cold climatic conditions.

Boreal forests are one of the planet’s great ecosystems. Boreal (meaning northern – they are called taiga in Russia) forest occupies the northern sub arctic zone up beyond about latitude 50 encircling the Earth at the top of the Northern Hemisphere across Russia, Scandinavia, Alaska and Canada. The boreal forest belt represents the world’s largest land-based ecosystem and act as part of the largest source and filter of freshwater on the planet. Temperatures in these boreal

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