Antarctic Studies Show Lichens to be Excellent Biomonitors of Climate Change

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García Sancho, Leopoldo and Pintado Valverde, Ana and Green, Thomas George Allan (2019) Antarctic Studies Show Lichens to be Excellent Biomonitors of Climate Change. Diversity, 11 (3). p. 42. ISSN 1424-2818

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Official URL: https://doi.org/10.3390/d11030042




Abstract

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° and 87° 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.


Item Type:Article
Uncontrolled Keywords:Antarctica; biomonitoring; lichens; growth rate; diversity; temperature; precipitation; climate change
Subjects:Medical sciences > Pharmacy > Botany
Medical sciences > Pharmacy > Pharmacology
ID Code:67105
Deposited On:27 Jul 2021 13:38
Last Modified:18 Aug 2021 11:21

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