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Early development of Hypogymnia physodes (L.) Nyl. in response to emissions from a copper smelter

Published online by Cambridge University Press:  28 March 2007

Irina N. Mikhailova  and
Christoph Scheidegger
Irina N. Mikhailova
Affiliation:
Institute of Plant and Animal Ecology UD RAS, 8 Marta Str., 202, 620144 Ekaterinburg, Russia.
Christoph Scheidegger
Affiliation:
WSL Swiss Federal Research Institute, CH—8903 Birmensdorf, Switzerland.
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Abstract

The early development of Hypogymnia physodes from soredia to the formation of stratified lobes has been studied experimentally in the vicinity of a copper-smelting plant in theMiddle Urals. SEM investigations combined with life table analyses of early developmental stages revealed decreases in soredial survival and developmental rate in polluted localities. Non-stricatified pre-thallus stages without an epicortex were tolerant to toxic impact and were able to survive even in the zone with the highest pollution (lichen desert zone). The sensitivity of developmental stagesancreased after stratified lobes had developed.

Type
Research Article
Information
The Lichenologist , Volume 33 , Issue 6 , November 2001 , pp. 527 - 538
Copyright
Copyright © British Lichen Society 2001

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