Black pine (Pinus nigra) barks as biomonitors of airborne mercury pollution
| Autor: | Chiarantini L.[1, Rimondi V.[1, Benvenuti M.[2], Beutel M.W.[3], Costagliola P.[2], Gonnelli C.[4], Lattanzi P.[5], Paolieri M.[2] |
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| Rok vydání: | 2016 |
| Předmět: |
Pollution
Environmental Engineering 010504 meteorology & atmospheric sciences media_common.quotation_subject chemistry.chemical_element Atmospheric deposition 010501 environmental sciences 01 natural sciences Mining engineering Biomonitoring Plant Bark Environmental Chemistry Lichen Waste Management and Disposal 0105 earth and related environmental sciences media_common Air Pollutants Mercury Pinus Mercury (element) Mt. Amiata Hg district Deposition (aerosol physics) Italy chemistry visual_art Environmental chemistry visual_art.visual_art_medium Environmental science Bark Tree bark Environmental Monitoring Woody plant |
| Zdroj: | Science of the total environment 569-570 (2016): 105–113. doi:10.1016/j.scitotenv.2016.06.029 info:cnr-pdr/source/autori:Chiarantini L.[1,2], Rimondi V.[1,2], Benvenuti M.[2], Beutel M.W.[3], Costagliola P.[2], Gonnelli C.[4], Lattanzi P.[5], Paolieri M.[2]/titolo:Black pine (Pinus nigra) barks as biomonitors of airborne mercury pollution./doi:10.1016%2Fj.scitotenv.2016.06.029/rivista:Science of the total environment/anno:2016/pagina_da:105/pagina_a:113/intervallo_pagine:105–113/volume:569-570 |
| ISSN: | 0048-9697 |
| DOI: | 10.1016/j.scitotenv.2016.06.029 |
| Popis: | Tree barks are relevant interfaces between plants and the external environment, and can effectively retain airborne particles and elements at their surface. In this paper we have studied the distribution of mercury (Hg) in soils and in black pine (Pinus nigra) barks from the Mt. Amiata Hg district in southern Tuscany (Italy), where past Hg mining and present-day geothermal power plants affect local atmospheric Hg concentration, posing serious environmental concerns. Barks collected in heavily Hg-polluted areas of the district display the highest Hg concentration ever reported in literature (8.6 mg/kg). In comparison, barks of the same species collected in local reference areas and near geothermal power plants show much lower (range 19-803 ?g/kg) concentrations; even lower concentrations are observed at a "blank" site near the city of Florence (5-98 ?g/kg). Results show a general decrease of Hg concentration from bark surface inwards, in accordance with a deposition of airborne Hg, with minor contribution from systemic uptake from soils. Preliminary results indicate that bark Hg concentrations are comparable with values reported for lichens in the same areas, suggesting that tree barks may represent an additional useful tool for biomonitoring of airborne Hg. |
| Databáze: | OpenAIRE |
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