Tree Ring Articles & Analysis
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” She and her co-author Ben Cook, of the US space agency Nasa and the Lamont-Doherty Earth Observatory at Columbia University in New York, report in Nature Climate Change that they pored over harvest records and tree ring measurements dating back to 1600, and vintage statistics and instrument measurements throughout the 20th century. ...
The study considered variability and trends in harvest dates, climate data from instruments during the 20th century, and reconstructions from historical documents and tree rings of temperature, precipitation and soil moisture dating back to 1600. ...
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. ...
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 ...
Current methods can lead to overestimates of a tree's age. Trees respond to seasonal floods by becoming dormant and these growth pauses form clear tree-ring boundaries in the wood. ...