Effects of Low-Level SO2on Usnea hirta and Parmelia chlorochroa

Respiration rates of Usnea hirta (L.) Wigg. and Parmelia chlorochroa Tuck. exposed in the field to SO2fumigation decreased significantly, compared to control rates, within 30 days at 94 ppb SO2and within 60 days at 33 ppb. Nearly 100% of the algal cells were plasmolyzed within 60 days. The respirati...

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Veröffentlicht in:	The Bryologist 1978-10, Vol.81 (3), p.368-377
1. Verfasser:	Eversman, Sharon
Format:	Artikel
Sprache:	eng
Schlagworte:	Air pollution Fumigation Grasses Lichens Plasmolysis Respiration Sulfation Sulfur dioxide Sulphur dioxide Thallus
Online-Zugang:	Volltext
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