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121.
122.
Pinheiro Samara Lima Marcelo Carneiro Bruno Costa Tavares Vanessa Câmara Volney 《Environmental science and pollution research international》2019,26(6):5738-5750
Environmental Science and Pollution Research - The port regions of the Amazon are subject to environmental impacts high shipping traffic. In October 2015, a cargo ship containing 5000 oxen sank in... 相似文献
123.
Use of the genus Artemia in ecotoxicity testing 总被引:1,自引:0,他引:1
Nunes BS Carvalho FD Guilhermino LM Van Stappen G 《Environmental pollution (Barking, Essex : 1987)》2006,144(2):453-462
Information related to varied uses of several species of the genus Artemia (commonly known as brine shrimp), is dispersed among literature from several scientific areas, such as Ecology, Physiology, Ecotoxicology, Aquaculture and Genetics. The present paper reviews information related to Artemia that may be considered relevant for ecotoxicity testing. Integration of different areas of scientific knowledge concerning biology, life cycle and environmental needs of Artemia is of crucial importance when considering the interpretation of results drawn from tests involving this genus. Furthermore, this paper provides suggestions to overcome problems related to toxicity assessment with the use of Artemia as test organism in bioassays, under the scope of estuarine, marine and hypersaline environments. Aspects related to variability in results, adoptable toxicity end-points, culture conditions, characteristics of species and strains, influence of geographical origins over physiological features and responses to exposure to chemical agents are considered. 相似文献
124.
125.
Delmelle P Delfosse T Delvaux B 《Environmental pollution (Barking, Essex : 1987)》2003,126(3):445-457
The continuous emissions of SO(2), HCl and HF by Masaya volcano, Nicaragua, represent a substantial source of atmospheric S-, Cl- and F-containing acid inputs for local ecosystems. We report on the effects of such acid depositions on the sulfate, chloride and fluoride contents in soils (0-40 cm) from two distinct transects located downwind from the volcano. The first transect corresponds to relatively undifferentiated Vitric Andosols, and the second transect to more weathered Eutric Andosols. These soils are exposed to various rates of volcanogenic acid addition, with the Vitric sites being generally more affected. Prolonged acid inputs have led to a general pH decrease and reduced exchangeable base cation concentrations in the Andosols. The concentrations of 0.5 M NH(4)F- and 0.016 M KH(2)PO(4)-extractable sulfate (NH(4)F-S and KH(2)PO(4)-S, respectively) indicate that volcanic S addition has increased the inorganic sulfate content of the Vitric and Eutric soils at all depths. In this process, the rate of sulfate accumulation is also dependent on soil allophane contents. For all soils, NH(4)F extracted systematically more (up to 40 times) sulfate than KH(2)PO(4). This difference suggests sulfate incorporation into an aluminum hydroxy sulfate phase, whose contribution to total inorganic sulfate in the Vitric and Eutric Andosols is estimated from approximately 34 to 95% and approximately 65 to 98%, respectively. The distribution of KH(2)PO(4)-extractable chloride in the Vitric and Eutric Andosols exposed to volcanic Cl inputs reveals that added chloride readily migrates through the soil profiles. In contrast, reaction of fluoride with Al and Fe oxyhydroxides and allophanes is an important sink mechanism in the Masaya Andosols exposed to airborne volcanic F. Fluoride dominates the anion distribution in all soil horizons, although F is the least concentrated element in the volcanic emissions and depositions. The soil anion distribution reflects preferential retention of fluoride over sulfate and chloride, and of sulfate over chloride. The primary acidifying agent of the Andosols subject to the volcanic acid inputs is HCl. 相似文献
126.
This paper briefly presents the current practice for carrying out life cycle inventories, and mentions some advantages and drawbacks of a few dedicated software tools that are commercially available. A list is presented of some features that we think should be present in an ‘ideal’ life cycle analysis (LCA) software tool, after the specifications made at Ecobilan for the development of a specific tool for LCA. Some consideration is given to the technical difficulties involved, and the benefits that could be expected from the implementation of such features. 相似文献
127.
Pablo Iribarren Anacona Josie Kinney Marius Schaefer Stephan Harrison Ryan Wilson Alexis Segovia Bruno Mazzorana Felipe Guerra David Farías John M. Reynolds Neil F. Glasser 《Ambio》2018,47(8):835-845
The environmental, socioeconomic and cultural significance of glaciers has motivated several countries to regulate activities on glaciers and glacierized surroundings. However, laws written to specifically protect mountain glaciers have only recently been considered within national political agendas. Glacier Protection Laws (GPLs) originate in countries where mining has damaged glaciers and have been adopted with the aim of protecting the cryosphere from harmful activities. Here, we analyze GPLs in Argentina (approved) and Chile (under discussion) to identify potential environmental conflicts arising from law restrictions and omissions. We conclude that GPLs overlook the dynamics of glaciers and could prevent or delay actions needed to mitigate glacial hazards (e.g. artificial drainage of glacial lakes) thus placing populations at risk. Furthermore, GPL restrictions could hinder strategies (e.g. use of glacial lakes as reservoirs) to mitigate adverse impacts of climate change. Arguably, more flexible GPLs are needed to protect us from the changing cryosphere. 相似文献
128.
Gauquelin Thierry Michon Geneviève Joffre Richard Duponnois Robin Génin Didier Fady Bruno Bou Dagher-Kharrat Magda Derridj Arezki Slimani Said Badri Wadi Alifriqui Mohamed Auclair Laurent Simenel Romain Aderghal Mohamed Baudoin Ezekiel Galiana Antoine Prin Yves Sanguin Hervé Fernandez Catherine Baldy Virginie 《Regional Environmental Change》2018,18(3):623-636
Regional Environmental Change - Mediterranean forests are found in the Mediterranean basin, California, the South African Cape Province, South and southwestern Australia and parts of Central Chile.... 相似文献
129.
Brito Pedro Elias Marcos Silva-Neto Carlos Sujii Edison Silva Daniela Gonçalves Bruno Franceschinelli Edivani 《Environmental science and pollution research international》2020,27(31):38654-38661
Environmental Science and Pollution Research - The presence of Brazilian native bees can improve tomato production by increasing pollination effectiveness. However, the extensive use of pesticides... 相似文献
130.
The history of the establishment and management philosophies of the mainland Portuguese Protected Areas was reconstructed
through the use of written records and oral history interviews. The objectives were to review the main philosophies in the
creation and management of these areas, to assess the influence of international PA models, to compare the Portuguese case
with other European and international literature concerning PAs and to discuss the value of the oral history in this research.
As main results, it was found that the initial management model of “Wilderness (or Yellowstone)” was replaced by the “new
paradigm” of PAs when the democracy was re-established. Changes in the management philosophies within this “new paradigm”
were also identified, which resulted in the transition of a “Landscape” to a “Nature conservation” model. After the establishment
of the Natura 2000 network, the “Biodiversity conservation” model prevailed. It was also found that the initiative for the
establishment of most PAs came from the government, although there were few cases of creation due to the action of NGOs and
municipalities. Finally, oral history interviews enabled the addition of information to the literature review, but also provided
more insight and detail to this history. 相似文献