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numbers Boswellia tree, which produces the resin, could be up to 90% in 50 years, scientists warn

Production

of incense can be reduced by half in the next 15 years due to decreases in the number of trees that make the resin, the researchers warned.

incense, used in incense and perfumes, and one of the gifts brought by the three kings in the history of Christmas trees are produced by tapping Boswellia.

But trees that grow in the Horn of Africa and the Arabian Peninsula, are falling so heavily that the figures could be up to 90% in 50 years if no action is taken to preserve species, the researchers predict.

A study published in the Journal of the British Society for Ecology Applied Ecology 12 Boswellia tree populations in Ethiopia suggests that the species is affected by fire, grazing and insect attack .

mature trees are dying at a rate of 6% to 7% per year, two-year study of over 6000 trees and plants Boswellia Dutch and Ethiopian conservationists found.

plants are considered adults die from beetle attacks and fire. A high incidence of fires could make trees more susceptible to insects.

Dr. Frans Bongers
, University of Wageningen in the Netherlands, said: "The current management of populations of Boswellia is clearly unsustainable Our models show that in 50 years the populations of Boswellia is decimated, and the decline population means incense. production is doomed.

"the extraction of incense is unlikely to be the main cause of population decline, which is probably caused by burning, grazing and attack by the beetle, which lays its eggs under the bark of the tree.
"The number of fires and grazing intensity in our study area has increased in recent decades due to an increase in the number of cattle, which could explain why Young trees grow plants.

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