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31.
Baliota Georgia V. Athanassiou Christos G. 《Environmental science and pollution research international》2023,30(2):2392-2405
Environmental Science and Pollution Research - Paraffin (petroleum) oils have been used for many years for their insecticidal properties, but relatively little research had been conducted towards... 相似文献
32.
John Hahladakis Eleftheria Smaragdaki Georgia Vasilaki Evangelos Gidarakos 《Environmental monitoring and assessment》2013,185(3):2843-2853
Eight different surface sediment samples (K1–K8) were collected from two separate areas of Lake Koumoundourou and two samples (E1 and E2) from one area of Elefsis Bay, Athens, Greece. The level of pollution attributed to heavy metals was evaluated using several pollution indicators. Degree of Contamination, Modified Contamination Degree and Geoaccumulation Indexes were applied in order to determine and assess the anthropogenic contribution of the selected six elements (Cr, Ni, Cu, Zn, As and Pb). Moreover, the adverse effects of the sediments to aquatic organisms, from both heavy metals and polycyclic aromatic hydrocarbons (PAHs), were determined by using Sediment Quality Guidelines. The results indicated that Lake Koumoundourou is contaminated with heavy metals in a moderate degree and almost 50 % of the sediments are associated with frequent observation of adverse effects, when it comes to Ni and occasional observation of adverse effects, when it comes to Cu, Zn and Pb. As far as PAHs are concerned, around 60 % of the samples can be occasionally associated to toxic biological effects according to the effect-range classification for phenanthrene, benzo(a)anthracene, chrysene and pyrene. Finally, samples taken from the north side of the lake are more contaminated with PAHs than the ones taken from the east side probably due to the existence of the water barrier which acts as a reservoir of PAHs. 相似文献
33.
Federica Gabriella Pannacciulli Georgia Manetti Ferruccio Maltagliati 《Marine Biology》2009,156(12):2441-2450
ISSRs (Inter Simple Sequence Repeats) were employed to compare the genetic structure of Chthamalus stellatus and Tesseropora atlantica in the Azores. The two barnacles differ as regards life cycle: the former conducting pelagic life for about 22 days, the
latter for only 24 h. Thirty individuals of each species were analysed from four locations of three Azorean islands. Five
ISSR primers produced, respectively, 117 and 79 polymorphic bands in C. stellatus and T. atlantica. Estimates of among-samples genetic diversity suggested extensive connectivity in the former species and isolation in the
latter. AMOVA further supported these results by attributing 2% of genetic variance to the among-islands component of C. stellatus and 30% to T. atlantica. Results are consistent with expectations based on species life history and corroborate the importance of pelagic stages
in determining the degree of genetic structuring in benthic marine invertebrates. 相似文献
34.
Alma Strandmark Arvid Bring Sara A. O. Cousins Georgia Destouni Hans Kautsky Gundula Kolb Maricela de la Torre-Castro Peter A. Hambäck 《Ambio》2015,44(1):28-38
Coastal habitats are situated on the border between land and sea, and ecosystem structure and functioning is influenced by both marine and terrestrial processes. Despite this, most scientific studies and monitoring are conducted either with a terrestrial or an aquatic focus. To address issues concerning climate change impacts in coastal areas, a cross-ecosystem approach is necessary. Since habitats along the Baltic coastlines vary in hydrology, natural geography, and ecology, climate change projections for Baltic shore ecosystems are bound to be highly speculative. Societal responses to climate change in the Baltic coastal ecosystems should have an ecosystem approach and match the biophysical realities of the Baltic Sea area. Knowledge about ecosystem processes and their responses to a changing climate should be integrated within the decision process, both locally and nationally, in order to increase the awareness of, and to prepare for climate change impacts in coastal areas of the Baltic Sea. 相似文献
35.
Panayotis C. Yannopoulos Georgia N. Skokaki 《Journal of the Air & Waste Management Association (1995)》2013,63(8):957-970
Abstract The purpose of this study was to obtain a better assessment of the Patras, Greece, air quality, in terms of the primary pollutants total suspended particulates (TSPs) and sulfur dioxide (SO2), because limited and short-duration measurements have been conducted in the past. Installation and operation of a mobile air monitoring station at two different locations in the Patras downtown area and one location in the outskirts of the city was undertaken and covered the periods July 1, 1994-January 30, 1995; March 18-August 23, 1995; and April 19-July 27, 1996, respectively. For both pollutants measured at each location, the monthly average concentrations and typical weekly variation of daily averages, as well as the diurnal variations and frequency concentration distributions in each month of the monitoring periods, were calculated and are presented in bar diagrams. The annual and winter period medians and the annual 98th percentile were also calculated and are compared with the limit and guide values provided by the European Economic Community Council Directive 80/779/EEC. In addition, comparison of SO2 values is made with the limit values adopted by the more recent Directive 1999/30/EC. It was found that the TSP and SO2 levels at all locations were very low and were lower than the levels found in Thessaloniki and Athens, Greece. An attempt to explain what had been measured is also undertaken. The data presented are considered essential for future reference and comparison purposes. 相似文献
36.
Temporal trends (1990-2000) in the concentration of cadmium, lead and mercury in mosses across Europe 总被引:2,自引:0,他引:2
Harmens H Norris DA Koerber GR Buse A Steinnes E Rühling A 《Environmental pollution (Barking, Essex : 1987)》2008,151(2):368-376
The European heavy metals in mosses survey provides data on the concentration of 10 heavy metals in naturally growing mosses. The survey has been repeated at five-yearly intervals and in this paper we report on the temporal trends in the concentration of cadmium, lead and mercury between 1990 and 2000. Metal- and country-specific temporal trends were observed. In general, the concentration of lead and cadmium in mosses decreased between 1990 and 2000; the decline was higher for lead than cadmium. For mercury not enough data were available to establish temporal trends between 1990 and 1995, but between 1995 and 2000 the mercury concentration in mosses did not change across Europe. The observed temporal trends for the concentrations in mosses were similar to the trends reported for the modelled total deposition of cadmium, lead and mercury in Europe. 相似文献
37.
Andronikou Maria Lytras Nikolaos Chrysanthou Georgia Koutsokeras Loukas Constantinides Georgios Stylianou Marinos Agapiou Agapios Vyrides Ioannis 《Environmental science and pollution research international》2022,29(58):87245-87256
Environmental Science and Pollution Research - The current study presented a novel process of biogas upgrading to biomethane (higher than 97%) based on anaerobic sludge and zero-valent iron (ZVI)... 相似文献
38.
James S. Albert Georgia Destouni Scott M. Duke-Sylvester Anne E. Magurran Thierry Oberdorff Roberto E. Reis Kirk O. Winemiller William J. Ripple 《Ambio》2021,50(1):85
Freshwater ecosystems provide irreplaceable services for both nature and society. The quality and quantity of freshwater affect biogeochemical processes and ecological dynamics that determine biodiversity, ecosystem productivity, and human health and welfare at local, regional and global scales. Freshwater ecosystems and their associated riparian habitats are amongst the most biologically diverse on Earth, and have inestimable economic, health, cultural, scientific and educational values. Yet human impacts to lakes, rivers, streams, wetlands and groundwater are dramatically reducing biodiversity and robbing critical natural resources and services from current and future generations. Freshwater biodiversity is declining rapidly on every continent and in every major river basin on Earth, and this degradation is occurring more rapidly than in terrestrial ecosystems. Currently, about one third of all global freshwater discharges pass through human agricultural, industrial or urban infrastructure. About one fifth of the Earth’s arable land is now already equipped for irrigation, including all the most productive lands, and this proportion is projected to surpass one third by midcentury to feed the rapidly expanding populations of humans and commensal species, especially poultry and ruminant livestock. Less than one fifth of the world’s preindustrial freshwater wetlands remain, and this proportion is projected to decline to under one tenth by midcentury, with imminent threats from water transfer megaprojects in Brazil and India, and coastal wetland drainage megaprojects in China. The Living Planet Index for freshwater vertebrate populations has declined to just one third that of 1970, and is projected to sink below one fifth by midcentury. A linear model of global economic expansion yields the chilling prediction that human utilization of critical freshwater resources will approach one half of the Earth’s total capacity by midcentury. Although the magnitude and growth of the human freshwater footprint are greater than is generally understood by policy makers, the news media, or the general public, slowing and reversing dramatic losses of freshwater species and ecosystems is still possible. We recommend a set of urgent policy actions that promote clean water, conserve watershed services, and restore freshwater ecosystems and their vital services. Effective management of freshwater resources and ecosystems must be ranked amongst humanity’s highest priorities.Electronic supplementary materialThe online version of this article (10.1007/s13280-020-01318-8) contains supplementary material, which is available to authorized users. 相似文献
39.
The note by Kampas and Adamidis (2004; KA) argues for a series of limitations in the paper by [Gren, I.-M., Destouni, G., Tempone R., 2002. Cost effective policies for alternative distributions of stochastic water pollution. Journal of Environmental Management, 66, 145–157.]. We systematically go through and reply to the arguments made by KA, showing that they are all based on misunderstanding of the pollutant load quantities involved in the GDT study and of the scope and purpose of the study. Specifically, the KA arguments are critically based on the invalid assumption of log-normality in individual, basin-scale annual pollutant loads, which are the basic pollutant transport quantities involved in the GDT study. We show that GDT never made, or had physical reason to make any such assumption, whereby the following KA arguments become irrelevant. 相似文献
40.