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Dioxins and dioxin-like pollutants in alpine forests
Organohalogen Compd. 69, 608-611 (2009)
PCDD/F and PCB concentrations in remote mountainous spruce stands of the Central European Alps show strong geographic variation. Independent of the matrix (0.5 year old needles, humus or mineral soil), the highest pollutant levels were always found at the lateral zones of the mountain range. High levels coincided with strong precipitation, particularly along the northern margin of the study region. The most volatile PCB congener propagated farther into the colder, drier central Alps than the heavier species. Matrices with different accumulation history (needles and humus) repeatedly reflected different spatial immission patterns. Consistent with its much longer exposure, pollutant levels in humus exceeded those of needles by LIP to two orders of magnitude. Needle contamination varied with altitude but the vertical trends were highly variable between transsects and changed between years, too.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Zeitschrift
Organohalogen Compounds
Quellenangaben
Band: 69,
Seiten: 608-611
Verlag
Dioxin 20XX, International Symposium on Halogenated Persistent Organic Pollutants
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed