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111.
Mansur Andressa Vianna Brondizio Eduardo Sonnewend Roy Samapriya de Miranda Araújo Soares Pedro Paulo Newton Alice 《Regional Environmental Change》2018,18(5):1411-1426
Regional Environmental Change - Sustainable urban infrastructure transition is perhaps the biggest challenge confronting cities in the global south in a time of climate change. Fast-growing cities... 相似文献
112.
Susana?SilvaEmail authorView authors OrcID profile Isabel?Soares Carlos?Pinho 《Environment, Development and Sustainability》2018,20(3):1213-1227
We propose an equilibrium model where final-goods production uses labor and energy, and energy production uses non-polluting Renewable Energy Sources (RES) and polluting fossil fuels. Our goal is to compare two alternative Green Tax Reforms (GTRs). In one of the GTRs, carbon tax revenues are used to support Carbon Capture and Sequestration (CCS) activities. In the other GTR, tax revenues are used to subsidize RES. The comparison between the two GTRs is focused on three indicators: output per worker, energy intensity and the ratio of renewables over non-renewables. Results show that, in theory, the GTR with the RES subsidy could benefit both the economy and the environment if resource substitution was strong enough. The GTR with CCS support necessarily decreases output since abatement only partially alleviates the tax burden. The empirical simulation indicates that, for most tax values, both GTRs imply an economic slowdown but benefit the environment. The GTR with RES subsidies appears to be preferable than the alternative one, especially for lower tax levels. 相似文献
113.
Wegner Lilian Kinoshita Angela de Paiva Fabio Friol Guedes de Almeida Soares Pedro Negraes Santana William Pinto Edilson M. 《Journal of Material Cycles and Waste Management》2021,23(5):1831-1837
Journal of Material Cycles and Waste Management - The polysaccharide chitin (CHIT), extracted mainly from exoskeletons of crustaceans, can be obtained from shrimp fishery waste. It is the source of... 相似文献
114.
Maria Adelaide Ferreira Lurdes Soares Francisco Andrade 《Journal of Coastal Conservation》2012,16(4):567-574
The Coastwatch (CW) project is aimed at monitoring the coastline with the involvement of volunteers. Between 2003 and 2007 a beach profiling method was informally proposed to CW participants in Portugal as an extra activity to include in the surveys. Beach profiling contributes to a better understanding of coastal processes by providing quantitative information on the spatial/temporal evolution of beaches, which is crucial for coastal management. The profiling method proposed to the CW project is based on the physical principle of communicating vessels, and only requires a simple and inexpensive homemade ??profiler??. The simplicity of putting together and using the profiler, added to the arithmetic straightforwardness of data analysis, makes this method adequate for several kinds of users and for most levels of education. Eight workshops were held that included a classroom explanation of the method, the construction of a profiler, the actual profiling of a beach, and a final classroom session of data processing and graphing. About 140 participants received such training, and several among them independently undertook beach profiling. Surveyed participants found the workshop and the beach profiling method interesting and useful, and considered it a valuable tool for teaching and for management. External stakeholders (coastal managers) highlighted the importance of beach profiling data for management decisions and considered that this method produces robust data, even when carried out by volunteers. Further advantages of the application of the method, in the context of coastal management initiatives, for scientists, managers, and volunteers are discussed. 相似文献
115.
116.
Letícia Soares Peter Marra Lindsey Gray Robert E. Ricklefs 《Conservation biology》2017,31(6):1477-1482
Island populations are vulnerable to introduced pathogens, as evidenced by extinction or population decline of several endemic Hawaiian birds caused by the malaria parasite, Plasmodium relictum (order Haemosporida). We analyzed blood samples from 363 birds caught near Guantánamo Bay, Cuba, for the presence of haemosporidian infections. We characterized parasite lineages by determining nucleotide variation of the parasite's mitochondrial cyt b gene. Fifty‐nine individuals were infected, and we identified 7 lineages of haemosporidian parasites. Fifty individuals were infected by 6 Haemoproteus sp. lineages, including a newly characterized lineage of Haem. (Parahaemoproteus) sp. CUH01. Nine individuals carried the P. relictum lineage GRW4, including 5 endemic Cuban Grassquits (Tiaris canorus) and 1 migratory Cape May Warbler (Setophaga tigrina). A sequence of the merozoite surface protein gene from one Cuban Grassquit infected with GRW4 matched that of the Hawaiian haplotype Pr9. Our results indicate that resident and migratory Cuban birds are infected with a malaria lineage that has severely affected populations of several endemic Hawaiian birds. We suggest GRW4 may be associated with the lack of several bird species on Cuba that are ubiquitous elsewhere in the West Indies. From the standpoint of avian conservation in the Caribbean Basin, it will be important to determine the distribution of haemosporidian parasites, especially P. relictum GRW4, in Cuba as well as the pathogenicity of this lineage in species that occur and are absent from Cuba. 相似文献
117.
Fagundes Soares Garcia AC Marcon AE Ferreira Dde M Barbosa dos Santos EA do Amaral VS de Medeiros SR 《Journal of environmental monitoring : JEM》2011,13(12):3329-3335
The present study evaluated the mutagenic potential of surface water from the Lucrecia dam. The Tradescantia-micronucleus (Trad-MCN) test and CBMN assay in human peripheral blood lymphocytes were applied, corresponding to an in vivo and in vitro system, respectively. Heavy metals and some physicochemical properties were also measured. Water samples were collected in November 2009 (dry season) and May 2010 (rainy season) at three different points. Results of both assays for raw water showed positive responses for the points analyzed when compared to the negative control. The CBMN assay showed that diluted water was still able to induce a significant increase in micronucleus frequency. For both assays, the highest mean MN was observed in the dry season. Chemical analyses detected an increase in heavy metal levels at the sampling points and in the different seasons. These findings indicate the presence of genotoxins, such as heavy metals, in the water, which may be affecting the entire ecosystem, as well as human health. More prolonged monitoring is recommended in order to better characterize this public water supply. 相似文献
118.
Bigliardi Ana Paula dos Santos Marina Fernandes Caroline Lopes Feijo Garcia Edariane Menestrino dos Santos Marcelli Evans Telles Jones Marcus Herbert Soares Maria Cristina Flores Baisch Ana Luíza Muccillo da Silva Júnior Flavio Manoel Rodrigues 《Environmental science and pollution research international》2022,29(31):46803-46812
Environmental Science and Pollution Research - Coal mining and burning activities in coal-fired power plants are among the most polluting activities in developing countries. In Brazil, the Candiota... 相似文献
119.
de Lima Samuel Vitor Assis Machado Marques Daniele Maria Silva Matheus Felipe Soares Bressanin Leticia Aparecida Magalhães Paulo César de Souza Thiago Corrêa 《Environmental science and pollution research international》2022,29(45):67787-67800
Environmental Science and Pollution Research - Chitosan induces tolerance to abiotic stress agents in plants. However, studies on the different application forms of this biopolymer are limited.... 相似文献
120.
J.L.T. Pestana A.C. Alexander J.M. Culp D.J. Baird A.J. Cessna A.M.V.M. Soares 《Environmental pollution (Barking, Essex : 1987)》2009,157(8-9):2328-2334
Structural and functional responses of a benthic macroinvertebrate assemblage to pulses of the insecticide imidacloprid were assessed in outdoor stream mesocosms. Imidacloprid pulses reduced invertebrate abundance and community diversity in imidacloprid-dosed streams compared to control streams. These results correlated well with effects of imidacloprid on leaf litter decomposition and feeding rates of Pteronarcys comstocki, a stonefly, in artificial streams. Reductions in oxygen consumption of stoneflies exposed to imidacloprid were also observed in laboratory experiments. Our findings suggest that leaf litter degradation and single species responses can be sensitive ecotoxicological endpoints that can be used as early warning indicators and biomonitoring tools for pesticide contamination. The data generated illustrates the value of mesocosm experiments in environmental assessment and how the consideration of functional and structural endpoints of natural communities together with in situ single species bioassays can improve the evaluation and prediction of pesticide effects on stream ecosystems. 相似文献