Journal
DIVERSITY-BASEL
Volume 11, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/d11030042
Keywords
Antarctica; biomonitoring; lichens; growth rate; diversity; temperature; precipitation; climate change
Categories
Funding
- Ministerio de Ciencia, Innovacion y Universidades [CTM-2015-64728-C2-1]
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Lichens have been used as biomonitors for multiple purposes. They are well-known as air pollution indicators around urban and industrial centers. More recently, several attempts have been made to use lichens as monitors of climate change especially in alpine and polar regions. In this paper, we review the value of saxicolous lichens for monitoring environmental changes in Antarctic regions. The pristine Antarctica offers a unique opportunity to study the effects of climate change along a latitudinal gradient that extends between 62 degrees and 87 degrees S. Both lichen species diversity and thallus growth rate seem to show significant correlations to mean annual temperature for gradients across the continent as well as to short time climate oscillation in the Antarctic Peninsula. Competition interactions appear to be small so that individual thalli develop in balance with environmental conditions and, as a result, can indicate the trends in productivity for discrete time intervals over long periods of time.
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