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. 2015 Mar 17;6:140. doi: 10.3389/fpls.2015.00140

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Copyright © 2015 Gaxiola and Armesto.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effects of UV exposure on litter biomass after a 5-months experiment in semiarid Chile. Data shown for deciduous Proustia and evergreen Porlieria. UV- represents a reduction of 96–98% of natural UV levels; UV+ is the control treatment without UV filters. Data are means ± 1 SE (thin bars).