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101.
Phytoremediation and long-term site management of soil contaminated with pentachlorophenol (PCP) and heavy metals 总被引:2,自引:0,他引:2
Mills T Arnold B Sivakumaran S Northcott G Vogeler I Robinson B Norling C Leonil D 《Journal of environmental management》2006,79(3):232-241
Pentachlorophenol (PCP) is a persistent organic pollutant (POP) previously used as a timber treatment chemical to prevent sap stain and wood rot. Commonly used in wood treatment industries for the last 50 years, there are now many sites worldwide that are contaminated with PCP. Although persistent, PCP is a mobile contaminant and therefore has a propensity to leach and contaminate surrounding environments. Both willow (Salix sp., 'Tangoio') and poplar (Populus sp. 'Kawa') growing in an open-ended plastic greenhouse were found to tolerate soil PCP concentrations of 250 mg kg(-1) or less and both species stimulated a significant increase in soil microbial activity when compared to unplanted controls. Both poplar and willow could not survive PCP concentrations above 250 mg kg(-1) in soil. Pentachlorophenol degradation occurred in both planted and unplanted pots, but a higher rate of degradation was observed in the planted pots. Soil contaminated by wood-treatment activities often contains co-contaminants such as B, Cr, Cu and As, that are also used as timber preservatives. An additional column leaching experiment, done along side the potted trial, found that PCP, B, Cr, Cu and As were all present in the column leachate. This indicates that although Cu, Cr and As are generally considered immobile in the soil, they were mobilised under our column conditions. If a contaminated site were to be hydraulically 'sealed' using plants, a reticulation irrigation system should be installed to capture any contaminant leachate resulting from heavy rains. This captured leachate can either be independently treated, or reapplied to the site. Our data demonstrate a reduction in soil hydraulic conductivity with repeated application of leachate containing PCP and metal compounds but the soil did not become anaerobic. This would need to be considered in site remediation design. 相似文献
102.
Assessing Landscape Functions with Broad-Scale Environmental Data: Insights Gained from a Prototype Development for Europe 总被引:4,自引:0,他引:4
Felix Kienast Janine Bolliger Marion Potschin Rudolf S. de Groot Peter H. Verburg Iris Heller Dirk Wascher Roy Haines-Young 《Environmental management》2009,44(6):1099-1120
We examine the advantages and disadvantages of a methodological framework designed to analyze the poorly understood relationships
between the ecosystem properties of large portions of land, and their capacities (stocks) to provide goods and services (flows).
These capacities (stocks) are referred to as landscape functions. The core of our assessment is a set of expert- and literature-driven
binary links, expressing whether specific land uses or other environmental properties have a supportive or neutral role for
given landscape functions. The binary links were applied to the environmental properties of 581 administrative units of Europe
with widely differing environmental conditions and this resulted in a spatially explicit landscape function assessment. To
check under what circumstances the binary links are able to replace complex interrelations, we compared the landscape function
maps with independently generated continent-wide assessments (maps of ecosystem services or environmental parameters/indicators).
This rigorous testing revealed that for 9 out of 15 functions the straightforward binary links work satisfactorily and generate
plausible geographical patterns. This conclusion holds primarily for production functions. The sensitivity of the nine landscape
functions to changes in land use was assessed with four land use scenarios (IPCC SRES). It was found that most European regions
maintain their capacity to provide the selected services under any of the four scenarios, although in some cases at other
locations within the region. At the proposed continental scale, the selected input parameters are thus valid proxies which
can be used to assess the mid-term potential of landscapes to provide goods and services. 相似文献
103.
104.
Lichtfouse Eric Morin-Crini Nadia Bradu Corina Boussouga Youssef-Amine Aliaskari Mehran Schfer Andrea Iris Das Soumya Wilson Lee D. Ike Michihiko Inoue Daisuke Kuroda Masashi Don Sbastien Fievet Patrick Crini Grgorio 《Environmental Chemistry Letters》2022,20(3):2019-2041
Environmental Chemistry Letters - Worldwide contamination of waters by metals, metalloids, and organometallic pollutants is a major health issue. In particular, the occurrence of the selenium... 相似文献
105.
Fernández-Macías Juan Carlos Ochoa-Martínez Angeles Catalina Pérez-López Anette Aylin Pérez-López Amairani Lizbeth Neri-Maldonado Ignacio Piña-López Iris Gabriela Pérez-Maldonado Iván Nelinho 《Environmental science and pollution research international》2022,29(32):48466-48476
Environmental Science and Pollution Research - Cardiovascular diseases (CVDs) are the leading cause of morbidity and mortality worldwide. Environmental and genetic factors are recognized as risk... 相似文献