tree ring News
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Frankincense tree has not regenerated for the last half century
Frankincense is a resin that is tapped from a dry forest tree in the Horn of Africa, the Arabian peninsula and India. The European market is dominated by frankincense from Ethiopia. But the tree populations are under threat. “We found no frankincense trees younger than half a century”, says Motuma Tolera Feyissa, who defended his PhD thesis on this subject yesterday. Frans Bongers is ...
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Growth-oriented logging: a new concept in forest management
Deforestation in the tropics has both local and global effects, but conservation remains a major challenge. New research describes a method for measuring tree growth and timber harvesting, which can lead to sustainable management of tropical timber resources. The method tailors cutting cycles according to accurate growth rates of different tree species. Research explored the Mamirauá Sustainable ...
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NASA Study Finds Climate Change Shifting Wine Grape Harvests in France and Switzerland
A new study from NASA and Harvard University finds that climate change is diminishing an important link between droughts and the timing of wine grape harvests in France and Switzerland. During a study of wine grape harvest dates from 1600 to 2007, researchers discovered harvests began shifting dramatically earlier during the latter half of the 20th century. These shifts were caused by changes in ...
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Rising heat brings earlier vintage
Global warming has begun to change the conditions for a fine wine harvest. The grapes are blooming earlier in Burgundy. The vintners of Vaud in Switzerland have a new harvest timetable. And the conditions for fine claret have altered in Bordeaux. Two US scientists have analysed 400 years of harvest data from France and Switzerland to confirm that, while climate change has not yet created ...
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Private investment in trees could replenish Africa`s land
Africa's severe land degradation could be reversed by private sector investment in tree-based restoration technologies, a meeting heard. Poor agricultural practices and deforestation are some of the causes of land degradation, which has led to a massive loss of biodiversity on the continent, experts said at the international investment forum Mobilising Private Investment in Trees and Landscaping ...
By SciDev.Net
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