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11.
Justyna Rybak Teresa Olejniczak 《Environmental science and pollution research international》2014,21(3):2313-2324
Studies focused on the possible use of spider webs as environmental pollution indicators. This was a first time ever attempt to use webs as indicators of polycyclic aromatic hydrocarbons (PAHs) pollution. The aim of the study was (a) to evaluate whether webs are able to accumulate PM-associated road traffic emissions and be analyzed for organic toxics such as PAHs, (b) to assess if the distance from emission sources could have an influence on the accumulation level of pollutants, and (c) to determine types of pollution sources responsible for a structure of monitoring data set. Webs of four species from the family Agelenidae were sampled for PAHs presence. Data from vehicle traffic sites (i.e., road tunnel, arterial surface road, underground parking) and from railway traffic sites (i.e., two railway viaducts) in the city of Wroclaw (Southwest of Poland) showed a significantly higher mean concentrations of PAHs than the reference site 1 (municipal water supply works). We also found a significant differences at sites differed by the distance from emission sources. The result of PCA analysis suggested three important sources of pollution. We conclude that spider webs despite of some limitations proved useful indicators of road traffic emissions; they could be even more reliable compared to use of bioindicators whose activity is often limited by a lack of water and sun. 相似文献
12.
Lin Guo Teresa J. Cutright 《Environmental science and pollution research international》2014,21(12):7350-7360
Experiments were conducted to assess the impact of citric acid (CA) and rhizosphere bacteria on metal uptake in Phragmites australis cultured in a spiked acid mine drainage (AMD) soil. Rhizosphere iron-oxidizing bacteria (Fe(II)OB) enhanced the formation of Fe plaque on roots, which decreased the uptake of Fe and Mn. CA inhibited the growth of Fe(II)OB, decreased the formation of metal plaque, raised the metal mobility in soil, and increased the accumulation of metals in all tissues of the reeds. The higher the CA dosage, the more metals accumulated into reeds. The total amount of metals in reeds increased from 7.8?±?0.5?×?10?6 mol plant?1 (Mn), 1.4?±?0.1?×?10?3 mol plant?1 (Fe), and 1.0?±?0.1?×?10?4 mol plant?1 (Al) in spiked soil without CA to 22.2?±?0.5?×?10?6 mol plant?1 (Mn), 3.5?±?0.06?×?10?3 mol plant?1 (Fe), and 5.0?±?0.2?×?10?4 mol plant?1 (Al) in soil added with 33.616 g C6H8O7·H2O for per kilogram soil. CA could be effective at enhancing the phytoremediation of metals from AMD-contaminated soil. 相似文献
13.
14.
Fernanda Menezes França Teresa C. Brazil De Paiva Adriana S. Marcantônio Patrícia C. Teixeira Cláudia Maris Ferreira 《Journal of environmental science and health. Part. B》2013,48(6):406-410
The objective of this study was to determine the acute toxicity of some pesticides used in irrigated rice farming to Lithobates catesbeianus tadpoles. The LC50-96h for commercial formulations containing bentazon, penoxsulam, vegetable oil, permethrin and carbofuran, separately and their mixtures, were determined at the proportions commonly used in the field. The limits of risk concentrations of these products for the studied species were also established. The LC50-96h for tadpoles was 4,530 mg L?1 for bentazon; 7.52 mg L?1 for penoxsulam + 145.66 mg L?1 of vegetable oil; 81.57 mg L?1 for vegetable oil; 0.10 mg L?1 for permethrin; 29.90 mg L?1 for carbofuran (active ingredients), and 38.79 times the dose used in the field for the mixture of these products. The environmental risk was determined only for permethrin, and care should be taken when using the vegetable oil. 相似文献
15.
Ortiz-Ulloa Juvenal Alejandro Abril-González Mónica Fernanda Pelaez-Samaniego Manuel Raúl Zalamea-Piedra Teresa Silvana 《Environmental science and pollution research international》2021,28(15):18741-18753
Environmental Science and Pollution Research - Banana is one of the most important agricultural products of Ecuador. It relies on intensive monoculture cropping systems with a large volume of... 相似文献
16.
Innovative aspects of environmental chemistry and technology regarding air,water, and soil pollution
Katsoyiannis Ioannis A. Lammel Gerhard Samara Constantini Ernst Mathias Wenk Jannis Torretta Vincenzo Voutsa Dimitra Vollertsen Jes Bucheli Thomas D. Godbersen Levke Lambropoulou Dimitra Heath Ester Kallenborn Roland Giannakoudakis Dimitrios Deliyanni Eleni Bandosz Teresa J. Ražić Slavica Samanidou Viktoria Papa Ester Lacorte Silvia Katsoyiannis Athanasios 《Environmental science and pollution research international》2021,28(42):58958-58968
Environmental Science and Pollution Research - 相似文献
17.
Throughout Europe, the role of farming as the private provider of public goods and services increasingly valuated by society
is today generally acknowledged. Furthermore, in the turn towards rural development concerns, multifunctionality as an attribute
of rural space has emerged, justifying the territorial approach of farming. The situation facing the multifunctionality demand
is nevertheless not the same in all European regions, which by all means is getting strengthened in the transition towards
post-productivism. In some regions, there is a productivist orientation and production has a dominant economic role, while
others will need to be supported on other functions to survive economically and socially, or may be best suited to environmental
functions alone. The vocation of the rural territories is different, and thus also the functions they are able to support.
This paper discusses the concept of multifunctionality of the rural areas, and defines a possible methodological approach
towards the identification of the different types of rural areas in Europe, based on the identification of ideal types, through
the analysis of selected indicators. The empirical application has been developed for the Portuguese Ministry of Agriculture,
aiming at assessing the differentiated characteristics and dynamics of the Portuguese rural territory. Analyzing data from
1990 and 2000, at municipal level, three dimensions have been considered: the land cover, the agricultural sector and the
rural community. Combining the three analyses, it was possible to identify different vocations of the rural space, and the
role that farming could have in the future for the multifunctionality of the territory. Accordingly, the municipalities have
been grouped in types, pre-defined as ideal types. This was a first attempt to understand the differentiation of the rural
territory in Portugal. For decision-making it should be further developed. It nevertheless shows that there is clear differentiation
concerning the possible landscape functions to be developed between regions and a possible way to assess. It also shows that
a territorial approach to agriculture may be the key for the maintenance of the sector in many areas where production by itself,
as it has been know until now, may be severely threatened. 相似文献
18.
In this article, I explain the role that scientific studies play in shaping collaboration and conflict over mining exploration in the Ecuadorian highlands. Toronto-based IAMGOLD conducted water quality studies to simultaneously fulfill legal obligations and secure support for drilling in an environmentally sensitive zone. With these studies, IAMGOLD generated collaborative relations with local authorities and university scientists. However, water quality studies were also used by dairy farmers to establish new connections for an opposition movement. The scientific studies enabled IAMGOLD and the dairy farmers to make competing claims about the responsibility for contamination of an important watershed. This article analyzes the conflict that resulted and challenges conventional wisdom that distinguishes a corporation's legal obligations from its voluntary CSR programs. 相似文献
19.
Biomagnification of anthropogenic and naturally-produced organobrominated compounds in a marine food web from Sydney Harbour, Australia 总被引:2,自引:0,他引:2
Sara Losada Anthony Roach Laurence Roosens Francisco Javier Santos Maria Teresa Galceran Walter Vetter Hugo Neels Adrian Covaci 《Environment international》2009,35(8):1142-1149
Polybrominated diphenyl ethers (PBDEs) and naturally-produced organobrominated compounds, such as methoxylated PBDEs (MeO-PBDEs), have been scarcely studied in the Southern Hemisphere. Yet, sources of the latter group of compounds were found in Southern regions, specifically in Australia. The environmental distribution and biomagnification potential of organobrominated compounds were therefore investigated in a representative aquatic food chain (invertebrates and fish) from the Sydney Harbour, Australia. Mean PBDE concentrations ranged from 6.4 ng/g lipid weight (lw) in squid to 115 ng/g lw in flounder. BDE 47 was the dominant congener, followed by BDE 100. Mean levels of MeO-PBDEs (sum of congeners 2’-MeO-BDE 68 and 6-MeO-BDE 47) were as high as 110 ng/g lw in tailor, with a slight dominance of 2’-MeO-BDE 68. Polybrominated hexahydroxanthene derivates (PBHDs), another class of naturally-produced compounds, were found at variable concentrations and ranged from 4.7 ng/g lw in fanbelly and 146 ng/g lw in tailor. The tribrominated PBHD isomer dominated in the samples, except for luderick and squid. The lower levels of PBDEs found in luderick from the harbour compared to those obtained from the upper Parramatta River indicated a terrestrial (anthropogenic) origin of PBDEs, while the higher levels of MeO-PBDEs and PBHDs in the samples from the harbour confirmed the marine (natural) origin of these compounds. The highest trophic magnification factor (TMF) was found for sum PBDEs (3.9), while TMFs for sum MeO-PBDEs and sum PBHDs were 2.9 and 3.4, respectively. This suggests that biomagnification occurs in the studied aquatic food chain for anthropogenic brominated compounds, but also for the naturally-produced organobromines. 相似文献
20.
Teresa Moreno Marco Pandolfi Xavier Querol Javier Lavín Andrés Alastuey Mar Viana Wes Gibbons 《Environmental science and pollution research international》2011,18(2):173-183