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Titolo:
Instrumental recording and biomonitoring of ambient ozone in the Greek countryside
Autore:
Saitanis, CJ; Karandinos, MG;
Indirizzi:
Agr Univ Athens, Environm Sci & Ecol Lab, Athens 11855, Greece Agr Univ Athens Athens Greece 11855 Sci & Ecol Lab, Athens 11855, Greece
Titolo Testata:
CHEMOSPHERE
fascicolo: 4, volume: 44, anno: 2001,
pagine: 813 - 821
SICI:
0045-6535(200108)44:4<813:IRABOA>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
AIR-POLLUTION; VEGETATION; AREAS;
Keywords:
rural ozone; tobacco; biomonitoring; Greece;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Saitanis, CJ Agr Univ Athens, Environm Sci & Ecol Lab, Iera Odos 75, Athens 11855, Greece Agr Univ Athens Iera Odos 75 Athens Greece 11855 855, Greece
Citazione:
C.J. Saitanis e M.G. Karandinos, "Instrumental recording and biomonitoring of ambient ozone in the Greek countryside", CHEMOSPHERE, 44(4), 2001, pp. 813-821

Abstract

Among eight commercial Greek varieties of tobacco (Nicotiana tabacum L.) tested for their ozone-sensitivity levels, the Zichnomirodata (KK6/5) variety was found to be the most sensitive, although less sensitive than the well-known super-sensitive Bel-W3. Besides qualitative differences in the appearance of macroscopic symptoms these two varieties can be used simultaneously as a reliable pair of ozone bioindicators. The occurrence of ozone in theGreek countryside was surveyed by biomonitoring in 14 rural regions over the country and by a simultaneous biomonitoring and instrumental recording of ozone concentrations at a single remote side (Pournaria, Arcadia). Phytotoxic symptoms were observed mainly on the leaves of Bel-W3 and occasionallyon those of Zichnomirodata varieties, suggesting that ozone levels were high enough to affect at least sensitive species. The instrumental monitoring(during a total period of 912 h) revealed maximum hourly O-3 concentration62 ppb, while the thresholds of 30, 40 and 50 ppb were exceeded for 40%, 20% and 6% of the recording period, respectively. The accumulated exposure over 40 ppb (AOT40) for the daylight hours over the 38 monitored days was 680 ppb h. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/04/20 alle ore 23:59:22