Chronic Harvesting Threatens Tropical Tree

A man harvesting leaves from African mahogany to feed his cattle.


According a recent study, which appears in the Journal of Ecology, there is a mathematical method of estimating plant age from its size, to analyze how harvesting affects a plant’s life expectancy and to determine the plant’s life history, such as age maturity.

A West African tree, Khaya senegalensis, commonly known as African mahogany, is considered a valuable species due to drought and logging. This tree is heavily reaped for its bark, which produces medical treatments for aliments such as stomachaches and fever reduction and leaves, to feed livestock.

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About jensera

Jennifer Harrington is a Toronto-based illustrator, writer and graphic designer. She illustrated the best-selling children’s book series 'A Moose in a Maple Tree,' which includes the titles 'A Moose in a Maple Tree,' 'The Night Before a Canadian Christmas' and 'Canadian Jingle Bells.' She is also the owner of JSH Graphics, a boutique graphic design agency that specializes in print and web advertising. With her latest project, Eco Books 4 Kids, Jennifer has partnered with illustrator Michael Arnott to create a series of ecologically-themed ebooks for children. Her next book, 'Spirit Bear,' is due for release in the Summer of 2013. Jennifer offers two different school presentations for her 'Moose in a Maple Tree' collection, an illustration demonstration and a Christmas concert series, which can be booked at She will be taking bookings for school readings of 'Spirit Bear' beginning in October 2013.

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