排序方式: 共有12条查询结果,搜索用时 15 毫秒
1.
2.
Ruttens A Mench M Colpaert JV Boisson J Carleer R Vangronsveld J 《Environmental pollution (Barking, Essex : 1987)》2006,144(2):524-532
In a lysimeter set-up, compost addition to an industrial contaminated soil slightly reduced phytotoxicity to bean seedlings. The "Phytotoxicity Index" (on a scale from 1 to 4) decreased from 3.5 to 2.8. The same treatment also reduced metal accumulation in grasses: mean Zn, Cd and Pb concentrations decreased respectively from 623 to 135, from 6.2 to 1.3 and from 10.7 to <6 mg kg-1 dry weight. When combined with inorganic metal immobilizing amendments, compost had a beneficial effect on plant responses additional to the inorganic amendments alone. Best results were obtained when using compost (C)+cyclonic ashes (CA)+steel shots (SS). The "Phytotoxicity Index" decreased to 1.7, highest diversity of spontaneously colonizing plants occurred, and metal accumulation in grasses reduced to values for uncontaminated soils. Based on the first year evaluation, C+CA+SS showed to be an efficient treatment for amendment assisted phytostabilization of the contaminated Overpelt soil. 相似文献
3.
Hellebaut Anaïs Boisson Sylvain Mahy Grégory 《Environmental science and pollution research international》2022,29(54):81210-81221
Environmental Science and Pollution Research - It is often claimed that green walls (GW) and living wall systems (LWS) have a positive effect on urban air pollution problems if their plants... 相似文献
4.
Ruttens A Colpaert JV Mench M Boisson J Carleer R Vangronsveld J 《Environmental pollution (Barking, Essex : 1987)》2006,144(2):533-539
A lysimeter approach (under natural climatologic conditions) was used to evaluate the effect of four metal immobilizing soil treatments [compost (C), compost+cyclonic ashes (C+CA), compost+cyclonic ashes+steel shots (C+CA+SS)) and cyclonic ashes+steel shots (CA+SS)] on metal leaching through an industrially contaminated soil. All treatments decreased Zn and Cd leaching. Strongest reductions occurred after CA+SS and C+CA+SS treatments (Zn: -99.0% and -99.2% respectively; Cd: -97.2% and -98.3% respectively). Copper and Pb leaching increased after C (17 and >30 times for Cu and Pb respectively) and C+CA treatment (4.4 and >3.7 times for Cu and Pb respectively). C+CA+SS or CA+SS addition did not increase Cu leaching; the effect on Pb leaching was not completely clear. Our results demonstrate that attention should be paid to Cu and Pb leaching when organic matter additions are considered for phytostabilization of metal contaminated soils. 相似文献
5.
Soizig Le Stradic Maxime Séleck Julie Lebrun Sylvain Boisson Guylain Handjila Michel-Pierre Faucon Terrence Enk Grégory Mahy 《Environmental science and pollution research international》2016,23(14):13681-13692
In southeastern Democratic Republic of Congo, unique metallophyte communities supporting numerous endemic species occurred on the highly mineralized copper cobalt (Cu–Co) hills throughout the province. These hills are economically valuable mineral reserves; mining activities represent therefore a threat to the long-term persistence of these communities. Ex situ conservation program was set up by a mining company to rescue and conserve the diversity of Cu–Co communities until restoration activities are initiated. Two kinds of Cu–Co communities: the steppe and the steppic savanna, were translocated using topsoil spreading and whole-turf translocation. In this study, we assessed the effectiveness of these two techniques in conserving Cu–Co communities and their potential use in future restoration programs. More than 2 years after the translocation, whole-turf translocation appeared to be the better technique for ex situ conservation of endemic Cu–Co species. Not only did whole-turf successfully translocate numerous target species that were not present in the topsoil areas, but it also resulted in fewer ruderal and non-target species compared to topsoil spreading. Topsoil spreading recorded low seedling emergence from seed bank due to large proportions of dormant seeds or the absence of a seed bank, especially for the steppic savanna. Restoration of the steppe is currently more successful than for steppic savanna where the lack of dominant and structuring species likely contributed to divergence in species composition compared to reference ecosystem. Our study stresses the fact that tropical old-growth grasslands, which require probably several centuries to assemble, are difficult to restore or translocate. 相似文献
6.
7.
Souissi Imen Boisson Jean Marie Mekki Insaf Therond Olivier Flichman Guillermo Wery Jacques Belhouchette Hatem 《Regional Environmental Change》2018,18(3):637-650
Regional Environmental Change - This study considers a quantitative approach for assessing the performance of Tunisian farming systems to face climate change. It is based on the resilience concept... 相似文献
8.
9.
Sylvain Boisson Soizig Le Stradic Julien Collignon Maxime Séleck François Malaisse Mylor Ngoy Shutcha Michel-Pierre Faucon Grégory Mahy 《Environmental science and pollution research international》2016,23(14):13693-13705
Phytostabilisation (i.e. using plants to immobilise contaminants) represents a well-known technology to hamper heavy metal spread across landscapes. Southeastern D.R. Congo, Microchloa altera, a tolerant grass from the copper hills, was recently identified as a candidate species to stabilise copper in the soil. More than 50 grasses compose this flora, which may be studied to implement phytostabilisation strategies. However, little is known about their phenology, tolerance, reproductive strategy or demography. The present study aims to characterize the Poaceae that may be used in phytostabilisation purposes based on the following criteria: their ecological distribution, seed production at two times, abundance, soil coverage and the germination percentage of their seeds. We selected seven perennial Poaceae that occur on the copper hills. Their ecological distributions (i.e. species response curves) have been modelled along copper or cobalt gradients with generalised additive models using logic link based on 172 presence-absence samples on three sites. For other variables, a total of 69 quadrats (1 m2) were randomly placed across three sites and habitats. For each species, we compared the number of inflorescence-bearing stems (IBS) by plot, the percentage of cover, the number of seeds by IBS and the estimated number of seeds by plot between sites and habitat. Three species (Andropogon schirensis, Eragrostis racemosa and Loudetia simplex) were very interesting for phytostabilisation programs. They produced a large quantity of seeds and had the highest percentage of cover. However, A. schirensis and L. simplex presented significant variations in the number of seeds and the percentage of cover according to site. 相似文献
10.
Valuing lagoons using a meta-analytical approach: methodological and practical issues 总被引:1,自引:0,他引:1
Geoffroy Enjolras Jean-Marie Boisson 《Journal of Environmental Planning and Management》2010,53(8):1031-1049
Lagoons are naturally complex ecosystems whose dynamics are strongly influenced by anthropic factors. Therefore, their value depends not only on their characteristics but also on the nature of the interactions, whether positive or negative, between mankind and nature. Starting from a representative set of 31 original studies exclusively devoted to coastal lagoons valuation, we estimate a meta-analytic function of value transfer. Using a resampling technique, we then determine a transfer value and find a mean transfer error of 87% and a median error equal to 24%, between the predicted value and the original ones. This raises the problem of divergences between individual valuations for natural assets. 相似文献