Quilhot, W/ Fernández, E/ Rubio, C/ Cavieres, MF/ Hidalgo, ME/ Goddard, M/ Galloway, D 1996: Preliminary data on the accumulation of usnic acid related to ozone depletion in two Antarctic lichens [Acumulación de ácido úsnico en dos especies de líquenes antárticos relacionada con la disminución del ozono estratosférico]. - Serie Científica, Instituto Antárctico Chileno46: 105-111. [RLL List # 168 / Rec.# 15162] Keywords: ANTARCTICA/ OZONE/ OZONE DEPLETION/ USNIC/ UV ABSORPTION/ UV-B/ UV-B PROTECTION
Abstract: 1 fig. 1 tab. ["In Neuropogon aurantiaco-ater (Jacq.) I. M. Lamb and Ramalina terebrata Hook. et Tayl., collected in Antarctica over a period of 30 years, the highest concentrations of usnic acid were observed when ozone diminished to critical values."]