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Blobrana


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Australia ghost gum trees in Alice Springs 'arson attack'

Two ghost gum trees made famous by the work of Australian Aboriginal artist Albert Namatjira have been found burnt.
Officials in the town of Alice Springs in the Northern Territory say they believe the fire was started deliberately.
The trees had been due to be added to a national heritage register.
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Blobrana


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A study reveals that conifer genome have changed little since 100 million years

According to a study by researchers at the Centre for the Study of the forest, the genome of conifers such as fir, spruce and pine have changed little since 100 million years. Nathalie Pavy, Betty Pelgas Jerome Laroche, Philippe Rigault, Nathalie Isabel and Jean Bousquet surveyed the genome of conifers (gymnosperms) and they compared to flowering plants (angiosperms). These two groups of terrestrial plants, which had a common ancestor, there have diverged 300 million years. Researchers compared the genome macrostructure for 157 families of genes present in both conifers and in flowering plants. 
The result of this study, which is been published in the journal BMC Biology reveals that conifer genome seems frozen in time for at least 100 million years, while that of flowering plants has experienced significant upheaval during the same period. In fact, the conifer genome eight times more movements occurred before 300 million years after that date.
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Blobrana


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Jacaranda tree debate in Pretoria

A fierce debate is raging in the South African city of Pretoria about whether its famous jacaranda trees should be removed. 
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Blobrana


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Someiyoshino
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Sample cherry may not be standard

The sample cherry tree at the Shizuoka Local Meteorological Observatory may not be a someiyoshino, the standard variety to which observatories refer when reporting on the blossoms in spring, a group of researchers has found.
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Blobrana


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Ash dieback disease fears at Suffolk nature reserve

"Thousands and thousands" of ash trees could die at a nature reserve where symptoms of Chalara dieback have been seen, Suffolk Wildlife Trust has said.
The disease was reported to have wiped out 90% of ash trees in Denmark and earlier in the week was confirmed at Pound Farm, near Great Glemham.
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Blobrana


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Madagascar palm trees at risk of extinction

A majority of Madagascar's palms face extinction due to land clearing, an environment protection group says.
The International Union for Conservation of Nature (IUCN) said 83% of the 192 tree varieties had been added to its threatened species list.
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Blobrana


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Fenland Black Oak
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Fenland Black Oak: 5000-year-old tree found in Norfolk

The trunk of a giant oak-tree, thought by experts to be more than 5000 years old, has been unearthed from a field in Norfolk. The 13.4m Fenland Black Oak, or bog oak, was found buried in farmland at Methwold Hythe, near Downham Market.
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Blobrana


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The world's oldest clove tree

I am searching for the world's oldest clove tree. Why it is called Afo, no one knows. Neither is it exactly certain when Afo was planted. But estimates suggest it is between 350 and 400 years old.
Afo was once 40 metres tall and four metres round. Sadly, today, all that remains is a massive stump and some bare branches.
A few years ago, villagers hungry for firewood even attacked Afo with machetes. A brick wall now surrounds it.
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David Nash: Researching the truth of trees at Kew

A new exhibition of work by David Nash, one of Britain's most influential living sculptors has opened at the Royal Botanical Gardens, Kew. "Kew felt that what I do with wood would make me a good fit for doing a project here," he says. Nash is currently Kew's artist in residence, where he can be found working on whole trees that have come to the end of their natural life
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Blobrana


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Trees tell their own story to satellites

Communications via satellite are changing the way the forest industry harvests trees. A new approach being tested by ESA combines satcoms and cellular services to relay important information almost immediately so that fewer trees are used to produce more timber.
Irish company Treemetrics, in cooperation with ESA, is developing Satmodo, a new system that provides realtime communications with the harvesting machines and their drivers.
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