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1.
Roman Seidl Fridolin Simon Brand Michael Stauffacher Pius Krütli Quang Bao Le Andy Spörri Grégoire Meylan Corinne Moser Monica Berger González Roland Werner Scholz 《Ambio》2013,42(1):5-12
Interdisciplinary scientific knowledge is necessary but not sufficient when it comes to addressing sustainable transformations, as science increasingly has to deal with normative and value-related issues. A systems perspective on coupled human–environmental systems (HES) helps to address the inherent complexities. Additionally, a thorough interaction between science and society (i.e., transdisciplinarity = TD) is necessary, as sustainable transitions are sometimes contested and can cause conflicts. In order to navigate complexities regarding the delicate interaction of scientific research with societal decisions these processes must proceed in a structured and functional way. We thus propose HES-based TD processes to provide a basis for reorganizing science in coming decades. 相似文献
2.
Umberto Nicolini Nicholas M. Fisk David G. Talbert Charles H. Rodeck Neil K. Kochenour Pantaleo Greco Corinne Hubinont Joaquin Santolaya 《黑龙江环境通报》1989,9(4):243-254
A technique is described for measuring pressure within the amniotic cavity and within fetal vessels and/or body compartments. Two saline-filled catheters were connected at one end to needles inserted during indicated invasive procedures and at the other to silicon strain gauge transducers. In 36 pregnancies with normal liquor volume, stable intra-amniotic pressure (IAP, range 1–14 mmHg) increased with gestation (r=0·48, p<0·01). In pregnancies complicated by severe oligohydramnios, IAP was ≤ 1 mm Hg and rose to normal levels with saline amnioinfusion. Raised IAP (range 17–26 mm Hg), found in pregnancies with gross polyhydramnios, fell with drainage of amniotic fluid. Subtraction manometry was used to determine supra-amniotic pressure within the intervillus space, umbilical vein, umbilical artery, abdominal and thoracic cavities, and the urinary tract in normal and/or pathological fetuses. Low intravesical and intrapelvicalyceal pressures (median 6·5, range 2–10 mmHg) were noted in fetuses with obstructive uropathies. Intrauterine subtraction manometry appears to be a useful tool in the understanding of fetal pathophysiology and may be of clinical benefit in the therapeutic drainage and infusion of amniotic fluid and in the assessment of certain fetal disease states. 相似文献
3.
Catherine Donner M.D. Corinne Liesnard Françoise Brancart Frederic Rodesch 《黑龙江环境通报》1994,14(11):1055-1059
Cytomegalovirus (CMV) is the most common cause of intrauterine infection. Recent publications show amniocentesis to have an 81–100 per cent sensitivity in antenatal diagnosis after 21 weeks' gestation. Testing before 21 weeks' gestation is less well documented. We performed 36 amniocenteses between 14 and 20 weeks' gestation. The sensitivity was 45 per cent and the specificity 100 per cent. Implications and possible causes of this low sensitivity are discussed. 相似文献
4.
Biache C Mansuy-Huault L Faure P Munier-Lamy C Leyval C 《Environmental pollution (Barking, Essex : 1987)》2008,156(3):671-677
To evaluate the efficiency and the influence of thermal desorption on the soil organic compartment, contaminated soils from coking plant sites (NM and H) were compared to their counterparts treated with thermodesorption. The extractable organic matter, and the metal content and distribution with soil compartments were studied.In both thermodesorbed soils, PAH (polycyclic aromatic hydrocarbon) degradation exceeded 90%. However, the thermal desorption led not only to a volatilization of the organic compounds but also to the condensation of extractable organic matter.The treatments only affected the Fe and Zn distribution within the more stable fractions, whereas the organic compound degradation did not affect their mobility and availability. 相似文献
5.
Arbuscular mycorrhizal fungi can decrease the uptake of uranium by subterranean clover grown at high levels of uranium in soil 总被引:7,自引:0,他引:7
Rufyikiri G Huysmans L Wannijn J Van Hees M Leyval C Jakobsen I 《Environmental pollution (Barking, Essex : 1987)》2004,130(3):427-436
Subterranean clover inoculated or not with the arbuscular mycorrhizal (AM) fungus Glomus intraradices was grown on soil containing six levels of 238U in the range 0-87 mg kg(-1). Increasing U concentration in soil enhanced the U concentration in roots and shoots of both mycorrhizal and nonmycorrhizal plants but had no significant effects on plant dry matter production or root AM colonization. Mycorrhizas increased the shoot dry matter and P concentration in roots and shoots, while in most cases, it decreased the Ca, Mg and K concentrations in plants. The AM fungus influenced U concentration in plants only in the treatment receiving 87 mg U kg(-1) soil. In this case, U concentration in shoots of nonmycorrhizal plants was 1.7 times that of shoots of mycorrhizal plants. These results suggested that mycorrhizal fungi can limit U accumulation by plants exposed to high levels of U in soil. 相似文献
6.
7.
We present a framework of a scenario-based model that simulates the development of the municipality of Davos (Swiss Alps).
We illustrate our method with the calculation of the scenario for 2050 “Decrease in subsidies for mountain agriculture and liberalization of markets.” The main objective was to link submodels of land-use allocation (regression-based approach), material and energy flows submodels
(Material and Energy Flux Analysis), and economic submodels (Input–Output Analysis). Letting qualitative and quantitative
information flow from one submodel to the next, following the storyline describing a scenario, has proven to be suitable for
linking submodels. The succession of the submodels is then strongly dependent on the scenario. Qualitative information flows
are simulated with microsimulations of actor choices. Links between the submodels show different degrees of robustness: although
the links involving microsimulations are the weakest, the uncertainty introduced by the land-use allocation model is actually
advantageous because it allows one possible change in the landscape in the future to be simulated. The modeling results for
the scenario here presented show that the disappearance of agriculture only marginally affects the region’s factor income,
but that the consequences for the self-sufficiency rate, for various landscape-related indicators and ecosystem services,
and for the economy in the long term may be considerable. These benefits compensate for agriculture’s modest direct economic
value. The framework presented can potentially be applied to any region and scenario. This framework provides a basis for
a learning package that allows potential detrimental consequences of regional development to be anticipated at an early stage. 相似文献
8.
Sylvain Plouffe Paul Lanoie Corinne Berneman Marie-France Vernier 《Journal of Cleaner Production》2011,19(6-7):573-579
This paper reports results of an empirical study conducted to assess the profitability of ecodesigned products. Indeed, the advantages related to ecodesign are numerous according to the literature on the subject. Not only is it considered to be an efficient environmental approach, it is also said to carry a number of economic advantages for the firms adopting it. Among these advantages, the potential reduction of costs and an increase in revenues are the most important drivers. Nevertheless, the economic benefits have not been demonstrated, only indicated as a potential outcome. The main purpose of the study was to assess the economic impact of ecodesigned products and to compare the results of French companies with those of Quebec.Semi-structured interviews were conducted with 30 firms on their related ecodesign experience (15 in France, 15 in Quebec), the subsequent results were reached pertaining to the economic benefits tied to such an approach. In 24 cases, firms increased their profits with ecodesigned products. In three cases, profits are equivalent and in the three remaining cases, it is not obvious that the increased revenues compensate for the reduction of margin. French companies were found to be more profitable than the Quebec cases; this can be explained by the fact that French companies have a more systemic approach and therefore manage to make cost savings at several stages in the product life-cycle. We can conclude that the most important aspects to consider when getting involved in an ecodesign project is to focus on increased functionality of the product and to seek environmental and economic improvement on as many life-cycle stages as possible. 相似文献
9.
Martin van den Berg Theo L. Sinnige Mats Tysklind A.T.C. Bart Bosveld Marcel Huisman Corinne Koopmans-Essenboom Janna G. Koppe 《Environmental science and pollution research international》1995,2(2):73-82
32 Dutch human milk samples were analyzed for PCBs with either HRGC-ECD or HRGC-LRMS in the NCI mode. Samples were collected from three different locations in The Netherlands: Amsterdam, Rotterdam and Groningen. Quantitatively, no differences could be observed between the three localities, while in addition the congener specific pattern showed a striking similarity for all individual samples. Only principal component analysis revealed slight individual differences. Based on similarities in the PCB profiles, linear relationships were calculated between 2,3′4,4′,5-PnCB (#118) or 2,2′4,4′5,5′HxCB (#153) and the most relevantnon andmonoortho PCBs exhibiting dioxinlike activity. These PCBs included 2,3,3′,4,4′-PnCB (#105), 3,3′,4,4′5-PnCB (#126) 2,3,3′,4,4′,5-HxCB (#156), 2,3,3′,4,4′,5′-HxCB (#157), 2,3′,4,4′,5,5′-HxCB (#167) and 3,3′,4,4′,5′5-HxCB (#169). Good linear relationships were observed between individual PCBs. Based on the results of this study, PCB #118 can be used to predict concentrations of the PCBs #105 and #126. PCB #153 can be used as a predictor for the PCBs #156, #157, #167 and #169, but also for the total toxic equivalencies (TEQs) ofnon andmonoortho PCBs present in human milk. This method using certain PCBs as predictors for other toxicological relevant congeners, can be useful and cost effective, e.g. for epidemiological studies. However, before applied a number of conditions should be met. These are:
- A stable composition of the PCB matrix should be established.
- A possible time dependent change in composition of the matrix should first be excluded when used over different time periods.
10.
Aude Tessier Mélie Sarreau Fanny Pelluard Gwenaelle André Sophie Blesson Martine Bucourt Pierre Dechelotte Laurence Faivre Thierry Frébourg Alice Goldenberg Valérie Goua Corinne Jeanne-Pasquier Fabien Guimiot Annie Laquerriere Nicole Laurent Mathilde Lefebvre Philippe Loget Martine Maréchaud Charlotte Mechler Marie-Josée Perez Jean Christophe Sabourin Alain Verloes Sophie Patrier Anne-Marie Guerrot 《黑龙江环境通报》2016,36(13):1270-1275