Naslov
Biomonitoring with Epiphitic Lichens around the Gas Treatment Plants

Autori
Jeran, Zvonka ; Horvat, Milena ; Jačimović, Radojko ; Špirić, Zdravko ; Fajon, Grega ; Miklavčić, Vesna

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of an international workshop organized by the International Atomic Energy Agency in co-operation with the Instituto Tecnológico e Nuclear and the Universidade dos Açores and held in Praia da Vitória, Azores Islands, Portugal, IAEA-TECDOC-1338 / - Beč : International Atomic Energy Agency (IAEA), 2003, 160-168

Skup
Biomonitoring of atmospheric pollution (with emphasis on trace elements) &#8212 ; BioMAP II

Mjesto i datum
Praia da Vitória, Portugal, 09.2000

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
epiphytic lichens; biomonitoring

Sažetak
This paper describes the use of passive and active biomonitoring with epiphytic lichens for spatial monitoring of mercury and other elements in air at 9 different locations around three natural gas pumping sites in Croatia. It is well known that at the Molve station the concentration of mercury in natural gas is very high and it has to be removed before further processing in order to prevent technological and environmental problems. To monitor the efficiency of the industrial facility for removal of mercury from natural gas, besides a conventional monitoring programme which includes Hg measurement in air, biomonitoring was also applied as an alternative methodology. Various in-situ lichen species, namely Parmelia caperata, Evernia sp., Hypogymnia physodes and Xanthoria parietina were collected during 1997– 2000 and analysed. For transplantation experiments H.physodes was used. For Hg determination in lichens cold vapour atomic absorption spectrometry was used, while for trace elements k0-neutron activation analysis was performed. A good correlation between mercury concentrations in air and lichens was found. The preliminary results also indicate that Hg levels in in-situ and transplanted lichens were relatively low, with somewhat higher levels only in the immediate vicinity of the facility for Hg removal. The results of multielement analysis showed that there were source-related high levels of some elements, which could be explained by technological processes or geological factors.

Izvorni jezik
Engleski

Znanstvena područja
Biotehnologija

Napomena
BIOMONITORING OF ATMOSPHERIC POLLUTION (WITH EMPHASIS ON TRACE ELEMENTS) — ; BioMAP II IAEA, VIENNA, 2003 IAEA-TECDOC-1338 ISBN 92– ; 0– ; 100803– ; 1 ISSN 1011– ; 4289 © ; IAEA, 2003 Printed by the IAEA in Austria January 2003

POVEZANOST RADA