15 results on '"Rodrigues Filho, S."'
Search Results
2. Election-driven weakening of deforestation control in the Brazilian Amazon
- Author
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Rodrigues-Filho, S, Verburg, R.W., Bursztyn, M, Lindoso, D, Debortoli, N, Energy System Analysis, and Energy and Resources
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Economic growth ,Geography, Planning and Development ,Commodity ,Vulnerability ,Election effect ,frontier ,Management, Monitoring, Policy and Law ,Exchange rate ,valorisation ,Deforestation ,Taverne ,Development economics ,Amazon ,Green Economy and Landuse ,Nature and Landscape Conservation ,Amazon rainforest ,Corporate governance ,Forestry ,dynamics ,Groene Economie en Ruimte ,Sustainability ,governance ,Political driver ,Business ,Inefficiency ,environment - Abstract
Commodity prices, exchange rate, infrastructural projects and migration patterns are known and important drivers of Amazon deforestation, but cannot solely explain the high rates observed in 1995 and 2003–2004 in six Brazilian Amazon states. Deforestation predictions using those widely applied drivers can underestimate deforestation rates by as much as 50%. We show that years with the highest deforestation rates also correlate with large administrative shifts caused by presidential elections which results in periods of managerial instability associated with episodic inefficiency, leading to weak institutions unable to properly combat illegal deforestation. Although surveillance and regulatory action plans to combat deforestation have held back deforestation in the Brazilian Amazon since 2005, our results suggest that environmental management institutions should be aware such administration shifts set a burden on the policy targets associated with conservation policies. Institutional vulnerability immediately after major elections is an acknowledged fact in Brazil, though it has been mostly disregarded as an indicator of ecological threat.
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- 2015
3. Harvesting water for living with drought: Insights from the Brazilian human coexistence with semi-aridity approach towards achieving the sustainable development goals
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Lindoso, D.P., Eiró de Oliveira, F.H., Bursztyn, M., Rodrigues-Filho, S., Nasuti, S., Lindoso, D.P., Eiró de Oliveira, F.H., Bursztyn, M., Rodrigues-Filho, S., and Nasuti, S.
- Abstract
Contains fulltext : 183903.pdf (publisher's version ) (Open Access), The Semi-Arid region of Brazil (SAB) has been periodically affected by moderate to extreme droughts, jeopardizing livelihoods and severely impacting the life standards of millions of family farmers. In the early 1990s the Human Coexistence with Semi-Aridity (HCSA) emerged as a development approach. The debate on HCSA is limited to Brazilian literature but as a technological and a bottom-up governance experience, researches on the topic could add some insights to international debate on living with drought. The present paper adopts an historical perspective on HCSA before discussing the main HCSA's rainwater-harvesting methods found in two case studies in the SAB as a local appropriate and advanced technological package for achieving Sustainable Development Goals (SDG). Qualitative analysis of 32 semi-structured interviews with key local stakeholders, 29 unstructured interviews with family farmers, and surveys in 499 family farms are used. The results show that regardless the highly adaptive potential, the technologies are adopted in differ rates among them and in between case studies chosen, influenced by non-technological factors and interacting the broader public policies context. Scaling up the HCSA's technologies in the rural SAB is a development path towards the SDGs.
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- 2018
4. Election-driven weakening of deforestation control in the Brazilian Amazon.
- Author
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Energy System Analysis, Energy and Resources, Rodrigues-Filho, S, Verburg, R.W., Bursztyn, M, Lindoso, D, Debortoli, N, Energy System Analysis, Energy and Resources, Rodrigues-Filho, S, Verburg, R.W., Bursztyn, M, Lindoso, D, and Debortoli, N
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- 2015
5. D1.3: Final Report. LUPIS. Land Use Policies and Sustainable Development in Developing Countries. Specific Targeted Project Integrating and Strengthening the European Research Area
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Bezlepkina, I., Brouwer, F.M., Nesheim, I., Verburg, R.W., Silvis, H.J., Chen, L., Chant, L.J., Imbernon, J., Bonin, M., Bonnal, V., Tonneau, J.P., McNeil, D., Reidsma, I., van Ittersum, M.K., König, H., Schuler, J., Sieber, S., Helming, K., Sghaier, M., Abdeladhim, A.M., Ounalli, N., Jeder, H., Bechir, R., Chouikhi, F., Makokha, S., Gicheru, P., Purushothaman, S., Patil, S., Francis, I., Feng, S., Qu, F., Shi, X., Cissé, Y., Novira, N., Dalimunthe, S.A., Damayanti, F., Dewi, N.I.S., Rahayu, T.S., Sartohadi, J., Suarma, U., Rodrigues-Filho, S., Bursztyn, M., Lindoso, D., and Debortoli, N.
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Plant Production Systems ,LEI NAT HULPB - Milieu, Natuur en Landschap ,Plantaardige Productiesystemen ,Agricultural Economics and Rural Policy ,Agrarische Economie en Plattelandsbeleid ,Life Science ,WASS ,LEI INT BELEID - Internationale Handel & Markten ,LEI SECT & OND - Prestatie en Perspectief Agrosectoren ,PE&RC - Published
- 2011
6. D14.9: A cross-country comparative report integrating the results from impact assessment in WP7-WP13
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Bezlepkina, I., Brouwer, F.M., Silvis, H.J., Verburg, R.W., Nesheim, I., Reidsma, P., Purushothaman, P., Patil, S., König, H., Schuler, J., Abdeladhim, A.M., Sghaier, M., Cissé, Y., Tonneau, J.P., Feng, S., Gicheru, P., Makokha, S., Chen, L., Novira, N., Suarma, U., Rodrigues-Filho, S., and Bursztyn, M.
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Plant Production Systems ,LEI NAT HULPB - Milieu, Natuur en Landschap ,Plantaardige Productiesystemen ,Agricultural Economics and Rural Policy ,Agrarische Economie en Plattelandsbeleid ,Life Science ,WASS ,LEI SECT & OND - Prestatie en Perspectief Agrosectoren ,PE&RC - Published
- 2011
7. D6.1 - Review of modelling tools and their applicability to the seven case studies
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Chant, L.J., Sghaier, M., Jeder, H., Reidsma, P., Makokha, S., Chen, L., Gachimbi, L., Purushothaman, S., Patil, S., Kashyap, S., Bezlepkina, I., Feng, S., Shi, X., Qu, F., Cissé, Y., Bonin, M., Suarma, U., Mohammed, F.N., König, H., Rodrigues Filho, S., Lindoso, D., Debortoli, N., Bakker, F., and Stoen, M.
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Plant Production Systems ,LEI NAT HULPB - Milieu, Natuur en Landschap ,Plantaardige Productiesystemen ,Laboratory of Phytopathology ,Life Science ,LEI INT BELEID - Internationale Handel & Markten ,PE&RC ,Laboratorium voor Phytopathologie - Published
- 2009
8. Towards a low carbon economy in the Amazon: the role of land-use policies
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Verburg, R.W., Lindoso, D., Debortolli, N., Rodrigues Filho, S., Verburg, R.W., Lindoso, D., Debortolli, N., and Rodrigues Filho, S.
- Abstract
Climate change, rising oil prices and the global financial crisis has put sustainability and ‘green growth’ of the economy on the political agenda. While the transition towards a “low carbon” economy in developed countries like in the European Union should mainly be found in renewable energy production, developing countries like Brazil face with high land use emissions which will further rise in the coming decades without proper policy instruments. Deforestation and cattle production are the main sources of land use emissions in Brazil and we expect that these emissions will further rise with liberalisation of agricultural trade. A transition towards a “low carbon” economy in Brazil thus calls for appropriate, and effective land-use policies. Agricultural intensification on one hand can meet the world demand for soy and beef. For example we calculate that increasing the meat content of cattle can reduce emissions from deforestation up to 30%, but intensification may also accelerate further deforestation of Cerrado and Amazon forests. In order to avoid such additional deforestation, large areas of degraded lands have to be taken back into production, which requires large agricultural investments. In addition, (new) economic instruments, monitoring, law enforcement and appropriate conservation policies are also needed to halt further deforestation and biodiversity loss. The recently amended change of the Forest Code policy, for example, is expected to accelerate deforestation further, thus making more difficult to reach mitigation targets for the Brazilian State.
- Published
- 2011
9. Geochemical assessment of Hg pollution in gold mining sites
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Rodrigues-Filho, S., primary and Villas Bôas, R. C., additional
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- 2003
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10. Mercury pollution in two gold mining areas of the Brazilian Amazon.
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Rodrigues Filho S., Maddock J.E.L., Rodrigues Filho S., and Maddock J.E.L.
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Background levels of Hg were determined at two sites in Pocone and Alta Floresta, Brazil, at sites which not been directly affected by gold mining. Analysis was then carried out of stream sediments and soils in the two areas. Geoaccumulation indices of Hg in sediments from both study areas were used to assess the pollution level in the aquatic environment. There was a relatively high degree of pollution in the Bento Gomes river in Pocone, reaching 1.85 mg/kg. Concentrations dropped considerably (to 0.30 mg/kg) when the river reached the Pantanal swamp due to accumulation of metals in the lake sediments. In Alta Floresta, total Hg concentrations in sediments of the Teles Pires river were found to be higher than those in the Pocone region, with increases of 1.5 to 30 times the background., Background levels of Hg were determined at two sites in Pocone and Alta Floresta, Brazil, at sites which not been directly affected by gold mining. Analysis was then carried out of stream sediments and soils in the two areas. Geoaccumulation indices of Hg in sediments from both study areas were used to assess the pollution level in the aquatic environment. There was a relatively high degree of pollution in the Bento Gomes river in Pocone, reaching 1.85 mg/kg. Concentrations dropped considerably (to 0.30 mg/kg) when the river reached the Pantanal swamp due to accumulation of metals in the lake sediments. In Alta Floresta, total Hg concentrations in sediments of the Teles Pires river were found to be higher than those in the Pocone region, with increases of 1.5 to 30 times the background.
11. Human exposure and risk assessment associated with mercury contamination in artisanal gold mining areas in the Brazilian Amazon.
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Castilhos Z, Rodrigues-Filho S, Cesar R, Rodrigues AP, Villas-Bôas R, de Jesus I, Lima M, Faial K, Miranda A, Brabo E, Beinhoff C, and Santos E
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- Adult, Animals, Brazil, Ecotoxicology, Female, Fishes, Hair chemistry, Humans, Male, Mercury blood, Mercury toxicity, Mercury urine, Middle Aged, Risk Assessment, Water Pollutants, Chemical blood, Water Pollutants, Chemical toxicity, Water Pollutants, Chemical urine, Environmental Exposure analysis, Environmental Monitoring, Gold, Mercury analysis, Mining, Water Pollutants, Chemical analysis
- Abstract
Mercury (Hg) contamination is an issue of concern in the Amazon region due to potential health effects associated with Hg exposure in artisanal gold mining areas. The study presents a human health risk assessment associated with Hg vapor inhalation and MeHg-contaminated fish ingestion, as well as Hg determination in urine, blood, and hair, of human populations (about 325 miners and 321 non-miners) from two gold mining areas in the Brazilian Amazon (São Chico and Creporizinho, Pará State). In São Chico and Creporizinho, 73 fish specimens of 13 freshwater species, and 161 specimens of 11 species, were collected for total Hg determination, respectively. The hazard quotient (HQ) is a risk indicator which defines the ratio of the exposure level and the toxicological reference dose and was applied to determine the threat of MeHg exposure. The mean Hg concentrations in fish from São Chico and Creporizinho were 0.83 ± 0.43 and 0.36 ± 0.33 μg/g, respectively. More than 60 and 22 % of fish collected in São Chico and Creporizinho, respectively, were above the Hg limit (0.5 μg/g) recommended by WHO for human consumption. For all sampling sites, HQ resulted from 1.5 to 28.5, except for the reference area. In Creporizinho, the values of HQ are close to 2 for most sites, whereas in São Chico, there is a hot spot of MeHg contamination in fish (A2-São Chico Reservoir) with the highest risk level (HQ = 28) associated with its human consumption. Mean Hg concentrations in urine, blood, and hair samples indicated that the miners group (in São Chico: urine = 17.37 μg/L; blood = 27.74 μg/L; hair = 4.50 μg/g and in Creporizinho: urine = 13.75 μg/L; blood = 25.23 μg/L; hair: 4.58 μg/g) was more exposed to mercury compared to non-miners (in São Chico: urine = 5.73 μg/L; blood = 16.50 μg/L; hair = 3.16 μg/g and in Creporizinho: urine = 3.91 μg/L; blood = 21.04 μg/L, hair = 1.88 μg/g). These high Hg levels (found not only in miners but also in non-miners who live near the mining areas) are likely to be related to a potential hazard due to exposure to both Hg vapor by inhalation and to MeHg-contaminated fish ingestion.
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- 2015
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12. Health assessment of artisanal gold miners in Indonesia.
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Bose-O'Reilly S, Drasch G, Beinhoff C, Rodrigues-Filho S, Roider G, Lettmeier B, Maydl A, Maydl S, and Siebert U
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- Adult, Animals, Body Burden, Epidemiological Monitoring, Female, Fishes, Food Contamination analysis, Geologic Sediments chemistry, Gold, Hair chemistry, Humans, Indonesia epidemiology, Male, Mercury Compounds analysis, Mercury Compounds metabolism, Mercury Poisoning metabolism, Mercury Poisoning physiopathology, Neurologic Examination, Neuropsychological Tests, Seafood analysis, Surveys and Questionnaires, Young Adult, Environmental Monitoring methods, Mercury Compounds poisoning, Mercury Poisoning epidemiology, Mining, Occupational Exposure analysis
- Abstract
Small scale miners use mercury to extract gold from ore in many countries. An environmental and health assessment was performed in Indonesia in two regions, Galangan in Central Kalimantan and Talawaan in Northern Sulawesi. The environmental assessment showed severe mercury contamination of the sediments, and increased mercury levels in local fish. For the health investigation 281 volunteers were recruited and examined by a standardized questionnaire, a neurological examination and neuro-psychological tests. A medical score was used consisting of significant factors of mercury intoxication. Mercury exposed workers showed typical symptoms of mercury intoxication, such as movement disorders (ataxia, tremor, dysdiadochokinesia, etc.). Blood, urine and hair samples were taken from any participant and analyzed for mercury. The mercury concentration in the biomonitors was high, partly extreme high in the working population, increased in the population living in the same habitat and low in the control group. By a standard protocol which includes a combination of threshold values of mercury in the biomonitors and a medical sum score the diagnosis of chronic mercury intoxication was made for highly burdened workers (amalgam smelters) in 55% in Sulawesi and in 62% in Kalimantan. Less exposed mineral processors and the general population in the mining areas were also intoxicated to a high percentage., (Copyright 2009 Elsevier B.V. All rights reserved.)
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- 2010
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13. Mercury contamination in fish from gold mining areas in Indonesia and human health risk assessment.
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Castilhos ZC, Rodrigues-Filho S, Rodrigues AP, Villas-Bôas RC, Siegel S, Veiga MM, and Beinhoff C
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- Animals, Environmental Monitoring, Gold, Humans, Indonesia, Mining, Muscles chemistry, Risk Assessment, Fishes, Food Contamination, Mercury analysis, Water Pollutants, Chemical analysis
- Abstract
This study investigates the effects on fish and assesses human health hazards from mercury released in two gold mining areas in Indonesia: Tatelu (North Sulawesi Province) and Galangan (Katingan District, Central Kalimatan Province). In Tatelu, 154 fish specimens of 10 freshwater species were collected, as well as five marine species from the fish market. The mean concentration of total mercury in muscles of freshwater fish from this area was 0.58+/-0.44 microg/g, with more than 45% of fish having Hg levels above the WHO guideline for human consumption of 0.5 microg/g. In Galangan, where 263 fish specimens of 25 species were collected, the total mercury in muscles averaged 0.25+/-0.69 microg/g. Excluding data from flooded open pits in sub-area P4, mean Hg levels in fish from Galangan were 2 to 4 times lower than 0.5 microg/g, while fewer than 10% of fish from Galangan exceeded WHO guidelines. The Hazard Quotient (HQ) was applied to both areas to determine the threat of MeHg exposure for communities in both areas. The HQ is a risk assessment indicator which defines the ratio of exposure level to a single substance in relation to a reference dose. Samples from Tatelu (excluding marine species) had an HQ above one, while those from Galangan resulted in values of 2.4 for the whole area and 9.9 for sub-area P4, pointing to potentially harmful fish consumption for the local population. By using the single-compartment model to estimate mercury levels in blood and hair from daily intake dose, sub-area P4 showed the highest levels, higher than the upper limit guideline for pregnant women, but still lower than threshold levels associated with observed clinical effects.
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- 2006
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14. Evaluation of mercury pollution in cultivated and wild plants from two small communities of the Tapajós gold mining reserve, Pará State, Brazil.
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Egler SG, Rodrigues-Filho S, Villas-Bôas RC, and Beinhoff C
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- Brazil, Environmental Monitoring, Environmental Pollution analysis, Geologic Sediments analysis, Gold, Magnoliopsida chemistry, Mining, Food Contamination, Mercury analysis, Soil Pollutants analysis, Vegetables chemistry
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This study examines the total Hg contamination in soil and sediments, and the correlation between the total Hg concentration in soil and vegetables in two small scale gold mining areas, São Chico and Creporizinho, in the State of Para, Brazilian Amazon. Total Hg values for soil samples for both study areas are higher than region background values (ca. 0.15 mg/kg). At São Chico, mean values in soils samples are higher than at Creporizinho, but without significant differences at alpha<0.05 level. São Chico's aboveground produce samples possess significantly higher values for total Hg levels than samples from Creporizinho. Creporizinho's soil-root produce regression model were significant, and the slope negative. Creporizinho's soil-aboveground and root wild plants regression models were also significant, and the slopes positives. Although, aboveground:root ratios were >1 in all of São Chico's produce samples, soil-plant parts regression were not significant, and Hg uptake probably occurs through stomata by atmospheric mercury deposition. Wild plants aboveground:root ratios were <1 at both study areas, and soil-plant parts regressions were significant in samples of Creporizinho, suggesting that they function as an excluder. The average total contents of Hg in edible parts of produces were close to FAO/WHO/JECFA PTWI values in São Chico area, and much lower in Creporizinho. However, Hg inorganic small gastrointestinal absorption reduces its adverse health effects.
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- 2006
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15. SPECT-based tailoring of psychosurgical procedures: is it possible?
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Vilela Filho O, Carneiro Filho O, Souza HA, Machado DC, Rodrigues Filho S, and Campos JA
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- Adolescent, Adult, Female, Follow-Up Studies, Humans, Male, Psychosurgery statistics & numerical data, Tomography, Emission-Computed, Single-Photon statistics & numerical data, Psychosurgery methods, Tomography, Emission-Computed, Single-Photon methods
- Abstract
In contrast to the other areas of functional neurosurgery, psychosurgery has remained basically empiric and unchanged since the seventies, except for the recent suggestion to use chronic stimulation instead of ablative surgery. In this study, the authors investigated the value of SPECT abnormalities to guide psychosurgery and correlated the surgical results with the postoperative SPECT. This new approach, SPECT-based tailored psychosurgery, was applied in 4 of 11 patients referred for surgery, who fulfilled the inclusion criteria adopted. Excellent results were obtained in all of them after a follow-up of 30-52 months. Postoperative SPECT normalized in every case. We conclude, based on this small series, that it is possible to individualize and lateralize (tailor) psychosurgical procedures for every patient and that, to achieve this goal, SPECT is a rather impressive means and that postoperative SPECT closely correlated with the surgical results., (Copyright 2002 S. Karger AG, Basel)
- Published
- 2001
- Full Text
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