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排序方式: 共有163条查询结果,搜索用时 46 毫秒
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Bigliardi Ana Paula Fernandes Caroline Lopes Feijo Pinto Edlaine Acosta dos Santos Marina Garcia Edariane Menestrino Baisch Paulo Roberto Martins Soares Maria Cristina Flores Muccillo-Baisch Ana Luíza da Silva Júnior Flavio Manoel Rodrigues 《Environmental science and pollution research international》2021,28(2):1409-1416
Environmental Science and Pollution Research - Coal extraction and processing generate environmental contamination, which has several negative impacts on human health. Hematological and biochemical... 相似文献
64.
This work deals with the application of a Life Cycle Assessment approach for evaluating the environmental and energy impacts ascribed to the production of photovoltaic (PV) cells of first and second generations. PV technologies based on silicon and CuInSe2 (CIS) thin films were taken into account herein. PV systems prepared with amorphous silicon (a-Si) showed a low environmental impact and short energy payback time when compared to those ones obtained using crystalline silicon (c-Si). PV technologies associated with mono-crystal (mono-Si) and polycrystalline silicon (multi-Si) showed large emissions of CO2, nitrogen oxides, non-methane volatile organic compounds, particulates, and SO2 into air per square meter of PV panel processed. In addition, these technologies displayed a significant fossil fuel demand, biological oxygen demand, and global warming potential, which make them eco-unfriendly. Ribbon silicon (ribbon-Si) and CIS thin films showed intermediate impact scores, but further improvements in their production chain are needed before these devices are commercially used. The technologies examined herein were categorized in first- and second-generation technologies in order to compare their environmental impact and conversion efficiency. Much attention was also paid to the development of third-generation PV cells with improved conversion efficiencies and lower environmental impacts. 相似文献
65.
Abreu Murilo S. Kulczykowska Ewa Cardoso Sónia C. André Gonçalo I. Morais Marta Gozdowska Magdalena Soares Marta C. 《Behavioral ecology and sociobiology》2018,72(7):1-14
Behavioral Ecology and Sociobiology - A growing body of research suggests that songs are an important part of the courtship behavior of many bat species, however there is little information on the... 相似文献
66.
The extreme sensory environment of subterranean caves presents an adaptive challenge for troglobitic organisms. Although caves provide distinct selective pressures (e.g., darkness, food scarcity), advantages often come with living in isolated places. The cave-adapted (hypogean) form of the teleost Astyanax mexicanus lacks predators in its natural environment, unlike its ancestral surface (epigean) form that inhabits the nearby rivers. This species provides a unique opportunity for comparative studies because A. mexicanus has invaded the cave environment multiple times, providing us with independent comparative adaptive experiments. Here, we examine kinematic parameters that characterize the escape responses of various forms of A. mexicanus. We demonstrate that populations differ in details of fast start performance, but that surface fish do not perform better than cavefish in escape responses. Our results are more consistent with genetic drift or divergent selection among caves than with relaxation of selection in determining the evolution of escape behavior in this system. 相似文献
67.
António O. Soares Danny Haelewaters Olga M. C. C. Ameixa Isabel Borges Peter M. J. Brown Pedro Cardoso Michiel D. de Groot Edward W. Evans Audrey A. Grez Axel Hochkirch Milada Holecová Alois Honěk Ján Kulfan Ana I. Lillebø Zdenka Martinková J. P. Michaud Oldřich Nedvěd Omkar Helen E. Roy Swati Saxena Apoorva Shandilya Arnaud Sentis Jiri Skuhrovec Sandra Viglášová Peter Zach Tania Zaviezo John E. Losey 《Conservation biology》2023,37(1):e13965
Ladybirds (Coleoptera: Coccinellidae) provide services that are critical to food production, and they fulfill an ecological role as a food source for predators. The richness, abundance, and distribution of ladybirds, however, are compromised by many anthropogenic threats. Meanwhile, a lack of knowledge of the conservation status of most species and the factors driving their population dynamics hinders the development and implementation of conservation strategies for ladybirds. We conducted a review of the literature on the ecology, diversity, and conservation of ladybirds to identify their key ecological threats. Ladybird populations are most affected by climate factors, landscape composition, and biological invasions. We suggest mitigating actions for ladybird conservation and recovery. Short-term actions include citizen science programs and education, protective measures for habitat recovery and threatened species, prevention of the introduction of non-native species, and the maintenance and restoration of natural areas and landscape heterogeneity. Mid-term actions involve the analysis of data from monitoring programs and insect collections to disentangle the effect of different threats to ladybird populations, understand habitat use by taxa on which there is limited knowledge, and quantify temporal trends of abundance, diversity, and biomass along a management-intensity gradient. Long-term actions include the development of a worldwide monitoring program based on standardized sampling to fill data gaps, increase explanatory power, streamline analyses, and facilitate global collaborations. 相似文献
68.
Joanne Rodríguez Pérez Susana Loureiro Salomé Menezes Patrícia Palma Rosa M. Fernandes Isabel R. Barbosa Amadeu M. V. M. Soares 《Environmental science and pollution research international》2010,17(3):688-702
Background, aim, and scope
Alqueva Reservoir is the biggest artificial freshwater reservoir in Europe and is an important water supply for human and agricultural consumption in the Alentejo region (Portugal). Pollution can impair environmental and human health status, and to assure water quality and ecological balance, it is crucial to frequently monitor water supplies. In this study, we used an ecotoxicological test battery to identify the potential toxicity of water from this reservoir. 相似文献69.
At the European level, lacertid lizards have been proposed as potential model species for reptile ecotoxicology. We studied demographic and morphological aspects of natural field subpopulations of Podarcis bocagei inhabiting similar agricultural habitats which were either regularly exposed to pesticides, or not. Parameters examined in this study included population size and density, sex ratio, adult body size, fluctuating asymmetry in femoral pores and parasite prevalence. In general, we detected few statistically significant differences between the exposed and reference subpopulations. Although field situations are ecologically complex and factors other than pesticides may be acting, the absence of observable effects on field subpopulations is probably indicative that lizards are coping or compensating for this level of exposure. 相似文献
70.
Bergman Filho TU Soares AM Loureiro S 《Environmental science and pollution research international》2011,18(4):655-662