Mapping the Evolution of Mercury (Hg) Research in the Amazon (1991–2017): A Scientometric Analysis
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Co-authorship Analysis
3.2. Keyword Analysis
3.3. Co-citation Analysis
4. Discussion
4.1. Co-Authorship Analysis
4.2. Keyword Analysis
4.3. Co-Citation Analysis
4.4. Main Research Limitations and Strengths
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Appendix A
- Akagi, H.; Malm, O.; Branches, F.J.P.; Kinjo, Y.; Kashima, Y.; Guimaraes, J.R.D.; Oliveira, R.B.; Haraguchi, K.; Pfeiffer, W.C.; Takizawa, Y.; Kato, H. Human exposure to mercury due to goldmining in the Tapajos River Basin, Amazon, Brazil: Speciation of mercury in human hair, blood and urine. Water Air Soil Pollut. 1995, 80, 85–94.
- Fadini, P.S.; Jardim, W.F. Is the Negro River Basin (Amazon) impacted by naturally occurring mercury? Sci. Total Environ. 2001, 275, 71–82.
- Lebel, J.; Roulet, M.; Mergler, D.; Lucotte, M.; Larribe, F. Fish diet and mercury exposure in a riparian Amazonian population. Water Air Soil Pollut. 1997, 97, 31–44.
- Lebel, J.; Mergler, D.; Lucotte, M.; Amorim, M.; Larribe, F.; Dolbec, J. Neurotoxic effects of low-level methylmercury contamination in the Amazonian Basin. Environ. Res. 1998, 79, 20–32.
- Malm, O.; Pfeiffer, W.C.; Souza, C.M.M.; Reuther, R. Mercury pollution due to gold mining in the Madeira River basin, Brazil. AMBIO 1990, 19, 11–15.
- Malm, O.; Branches, F.; Akagi, H.; Castro, M.B.; Pfeiffer, W.C.; Harada, M.; Bastosa, W.R.; Kato, H. Mercury and methylmercury in fish and human hair from the Tapajós river basin, Brazil. Sci. Total Environ. 1995, 175, 145–150.
- Malm, O. Gold mining as a source of mercury exposure in the Brazilian Amazon. Environ. Res. 1998, 77, 73–78.
- Pfeiffer, W.C.; Lacerda, L.D. Mercury inputs into the Amazon Region, Brazil. Environ. Technol. Lett. 1988, 9, 325–330.
- Roulet, M.; Lucotte, M.; Farella, N.; Serique, G.; Coelho, H.; Passos, C.J.S.; de Jesus da Silva, E.; Scavone de Andrade, P.; Mergler, D.; Guimarães, J.-R.D.; et al. Effects of recent human colonization on the presence of mercury in Amazonian ecosystems. Water Air Soil Pollut. 1999, 112, 297–313.
- Roulet, M.; Lucotte, M.; Saint-Aubin, A.; Tran, S.; Rhéault, I.; Farella, N.; De Jesus Da silva, E.; Dezencourt, J.; Sousa Passos, C.J.; Santos Soares, G.; et al. The geochemistry of mercury in central Amazonian soils developed on the Alter-do-Chão formation of the lower Tapajós River Valley, Pará state, Brazil. Sci. Total Environ. 1998, 223, 1–24.
References
- Amos, H.M.; Jacob, D.J.; Streets, D.G.; Sunderland, E.M. Legacy impacts of all-time anthropogenic emissions on the global mercury cycle. Global Biogeochem. Cycles 2013, 27, 410–421. [Google Scholar] [CrossRef] [Green Version]
- Almeida, F.V.; Centeno, A.J.; Bisinoti, M.C.; Jardim, W.F. Substâncias tóxicas persistentes (STP) no Brasil. Quim. Nova 2007, 30, 1976–1985. [Google Scholar] [CrossRef] [Green Version]
- Lavoie, R.A.; Jardine, T.D.; Chumchal, M.M.; Kidd, K.A.; Campbell, L.M. Biomagnification of Mercury in Aquatic Food Webs: A Worldwide Meta-Analysis. Environ. Sci. Technol. 2013, 47, 13385–13394. [Google Scholar] [CrossRef]
- Evers, D.C.; Keane, S.E.; Basu, N.; Buck, D. Evaluating the effectiveness of the Minamata Convention on Mercury: Principles and recommendations for next steps. Sci. Total Environ. 2016, 569–570, 888–903. [Google Scholar] [CrossRef] [PubMed]
- U.S. EPA. Mercury Compounds. 2000. Available online: https://www.epa.gov/sites/production/files/2016-09/documents/mercury-compounds.pdf (accessed on 10 September 2018).
- Chen, C.Y.; Driscoll, C.T.; Eagles-Smith, C.A.; Eckley, C.S.; Gay, D.A.; Hsu-Kim, H.; Keane, S.E.; Kirk, J.L.; Mason, R.P.; Obrist, D.; et al. A Critical Time for Mercury Science to Inform Global Policy. Environ. Sci. Technol. 2018, 52, 9556–9561. [Google Scholar] [CrossRef]
- Driscoll, C.T.; Mason, R.P.; Chan, H.M.; Jacob, D.J.; Pirrone, N. Mercury as a global pollutant—Sources, pathways, and effects. Environ. Sci. Technol. 2013, 47, 4967–4983. [Google Scholar] [CrossRef]
- Gustin, M.S.; Evers, D.C.; Bank, M.S.; Hammerschmidt, C.R.; Pierce, A.; Basu, N.; Blum, J.; Bustamante, P.; Chen, C.; Driscoll, C.T.; et al. Importance of Integration and Implementation of Emerging and Future Mercury Research into the Minamata Convention. Environ. Sci. Technol. 2016, 50, 2767–2770. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- Mergler, D.; Anderson, H.A.; Chan, L.H.M.; Mahaffey, K.R.; Murray, M.; Sakamoto, M.; Stern, A.H.; Panel on Health Risks and Toxicological Effects of Methylmercury. Methylmercury Exposure and Health Effects in Humans: A Worldwide Concern. AMBIO J. Hum. Environ. 2007, 36, 3–11. [Google Scholar] [CrossRef]
- Kimáková, T.; Kuzmová, L.; Nevolná, Z.; Bencko, V. Fish and fish products as risk factors of mercury exposure. Ann. Agric. Environ. Med. 2018, 25, 488–493. [Google Scholar] [CrossRef] [Green Version]
- Zolnikov, T.R.; Ramirez Ortiz, D. A systematic review on the management and treatment of mercury in artisanal gold mining. Sci. Total Environ. 2018, 633, 816–824. [Google Scholar] [CrossRef]
- Patry, C.; Davidson, R.; Lucotte, M.; Béliveau, A. Impact of forested fallows on fertility and mercury content in soils of the Tapajós River region, Brazilian Amazon. Sci. Total Environ. 2013, 458–460, 228–237. [Google Scholar] [CrossRef] [PubMed]
- Moreno-Brush, M.; Rydberg, J.; Gamboa, N.; Storch, I.; Biester, H. Is mercury from small-scale gold mining prevalent in the southeastern Peruvian Amazon? Environ. Pollut. 2016, 218, 150–159. [Google Scholar] [CrossRef] [PubMed]
- Martinelli, L.A.; Ferreira, J.R.; Forsberg, B.R.; Victoria, R.L. Mercury Contamination in the Amazon. AMBIO J. Hum. Environ. 1988, 17, 252–254. [Google Scholar]
- Castilhos, Z.; Rodrigues-Filho, S.; Cesar, R.; Rodrigues, A.P.; Villas-Bôas, R.; de Jesus, I.; Lima, M.; Faial, K.; Miranda, A.; Brabo, E.; et al. Human exposure and risk assessment associated with mercury contamination in artisanal gold mining areas in the Brazilian Amazon. Environ. Sci. Pollut. Res. 2015, 22, 11255–11264. [Google Scholar] [CrossRef]
- Lobo, L.F.; Costa, M.; Moraes Novo, E.M.L.; Telmer, K. Effects of small-scale gold mining tailings on the underwater light field in the Tapajós River Basin, Brazilian Amazon. Remote Sens. 2017, 9, 861. [Google Scholar] [CrossRef]
- Vieira, M.; Bernardi, J.V.E.; Dórea, J.G.; Rocha, B.C.P.; Ribeiro, R.; Zara, L.F. Distribution and availability of mercury and methylmercury in different waters from the Rio Madeira Basin, Amazon. Environ. Pollut. 2018, 235, 771–779. [Google Scholar] [CrossRef]
- Bastos, W.R.; Dórea, J.G.; Bernardi, J.V.E.; Lauthartte, L.C.; Mussy, M.H.; Hauser, M.; Dória, C.R.D.C.; Malm, O. Mercury in muscle and brain of catfish from the Madeira river, Amazon, Brazil. Ecotoxicol. Environ. Saf. 2015, 118, 90–97. [Google Scholar] [CrossRef]
- Vega, C.M.; Orellana, J.D.Y.; Oliveira, M.W.; Hacon, S.S.; Basta, P.C. Human mercury exposure in yanomami indigenous villages from the Brazilian Amazon. Int. J. Environ. Res. Public Health. 2018, 15, 1051. [Google Scholar] [CrossRef]
- Merigo, J.M.; Blanco-Mesa, F.; Gil-Lafuente, A.M.; Yager, R.R. A bibliometric analysis of the first thirty years of the International Journal of Intelligent Systems. In Proceedings of the 2016 IEEE Symposium Series on Computational Intelligence (SSCI), Athens, Greece, 6–9 December 2016. [Google Scholar] [CrossRef]
- Li, K.; Rollins, J.; Yan, E. Web of Science use in published research and review papers 1997–2017: A selective, dynamic, cross-domain, content-based analysis. Scientometrics 2018, 115, 1–20. [Google Scholar] [CrossRef]
- Van Eck, N.J.; Waltman, L. Software survey: VOSviewer, a computer program for bibliometric mapping. Scientometrics 2010, 84, 523–538. [Google Scholar] [CrossRef]
- Wang, L.; Zhao, L.; Mao, G.; Zuo, J.; Du, H. Way to accomplish low carbon development transformation: A bibliometric analysis during 1995–2014. Renew. Sustain. Energy Rev. 2017, 68, 57–69. [Google Scholar] [CrossRef]
- Chen, H.; Jiang, W.; Yang, Y.; Man, X.; Tang, M. A bibliometric analysis of waste management research during the period 1997–2014. Scientometrics 2015, 105, 1005–1018. [Google Scholar] [CrossRef]
- Najmi, A.; Rashidi, T.H.; Abbasi, A.; Travis Waller, S. Reviewing the transport domain: An evolutionary bibliometrics and network analysis. Scientometrics 2017, 110, 843–865. [Google Scholar] [CrossRef]
- Zhi, W.; Ji, G. Constructed wetlands, 1991–2011: A review of research development, current trends, and future directions. Sci. Total Environ. 2012, 441, 19–27. [Google Scholar] [CrossRef] [PubMed]
- Tahmooresnejad, L.; Beaudry, C. The importance of collaborative networks in Canadian scientific research. Ind. Innov. 2018, 25, 990–1029. [Google Scholar] [CrossRef]
- Rossetto, D.E.; Bernardes, R.C.; Borini, F.M.; Gattaz, C.C. Structure and evolution of innovation research in the last 60 years: Review and future trends in the field of business through the citations and co-citations analysis. Scientometrics 2018, 115, 1329–1363. [Google Scholar] [CrossRef]
No. | Cluster Members (1) | Core Research Areas | Period |
---|---|---|---|
01 | Malm, O. (34), Bastos, W. (24), Dórea, J. (22), Bernardi, J. (10), Diez, S. (8), Barbosa, A. (5), Fonseca, M. (5), Forsberg, B. (6), Guimarães, J. (9), Lacerda, L. (9), and Marques, R. (12). | Gold mining as a source of mercury exposure; spatial-temporal dynamics and sources of total Hg; neurological effects of Hg contamination in children; Hg bioaccumulation and biomagnification. | 1991–2017 |
02 | Pinheiro, M. (13), Crespo-Lopez, M. (8), Nascimento, J. (6), Herculano, A. (8), Muller, R. (7), Sarkis, J. (7), Silveira, L. (6), Oikawa, T. (6), and Vieira, J. (6). | Genotoxicity and health effects in humans exposed to Hg, especially women and children from riverside communities. | 2000–2017 |
03 | Lucotte, M. (30), Mergler, D. (29), Amorim, M. (8), Farella, N. (7), Lebel, J. (6), Passos, C. (5), Rheault, I. (5), and Roulet, M. (15). | Geochemistry of mercury in soils, sediments, and water; neurotoxic effects of low-level methylmercury contamination; the relation between fish consumption and human contamination; and the way anthropogenic factors influence mercury dynamics. | 1996–2017 |
04 | Guimarães, J. (21), Bastos, W. (9), Akagi, H. (12), Pfeiffer, W. (11), Favaro, D. (5), Fostier, A. (6), Kehrig, H. (5), Vasconcellos, M. (5), and Branches, F. (9). | Hg pollution in gold mining areas and manmade reservoirs, concerning mainly mercury levels in riverine and indigenous populations. | 1991–2006 |
05 | Boudou, A. (7), Bourdineaud, J. (5), Charlet, L. (5), Cossa, D. (7), Grimaldi, M. (7), Guedron, S. (6), Maury-Brachet, R. (8), and Richard, S. (5). | Hg in aquatic environments and the effects from gold mining in fish and human contamination, with a unique focus on the part of the Amazonian basin that is found in French Guiana. | 2001–2014 |
06 | Cleary, D. (5), Brabo, E. (13), Camara, V. (6), de Jesus, I. (5), Loureiro, E. (5), Mascarenhas, A. (6), and Santos, E. (14). | Hg contamination in fish and riverside communities, especially in children. | 2000–2015 |
07 | Barbosa, F. (14), Grotto, D. (9), Garcia, S. (5) Valentini, J. (5), Braga, G. (5), and Barcelos, G. (7) | Molecular behavior of mercury and its genetic effects in humans. | 2009–2015 |
08 | Barbosa, A. (12), Dórea, J. (10), Boischio, A. (6), Jardim, W. (9), de Souza, J. (5), and Ferrari, I. (6). | Hg contamination in fish and in hair of different populations; fish consumption and nutritional status; mercury exposure and serum antinuclear antibody; cardiovascular risks of Hg contamination; Hg bioaccumulation and biomagnification. | 1995–2010 |
09 | Fillion, M. (8), Lemire, M. (9), Mertens, F. (5), Nyland, J. (6), and Silbergeld, E. (6). | Hg molecular behavior; Hg contamination in a fish-eating population, neurotoxic sequelae; mercury and selenium concentration patterns. | 2007–2017 |
10 | Lacerda, L. (18), Bidone, E. (7), Campos, R. (7), Castilhos, Z. (11), and Hacon, S. (9). | Ichthyofauna and human exposure to mercury through fish consumption. | 1991–2004 |
11 | Jardim, W. (5), Fadini, P. (5), Fostier, A. (6), and da Silva, G. (5). | Mercury chemistry, including the part played by dissolved organic matter in the mercury cycle, gaseous mercury and mercury in the environment (soil, water, sediments, and air). | 2001–2010 |
12 | Hylander, L. (6), Meili, M. (5), and Silva, E. (6) | Hg in the environment, particularly in Alto Pantanal; global mercury pollution and expected changes. | 2000–2006 |
Rank | Title and Abstract Words | Frequency |
---|---|---|
1 | Mercury | 238 |
2 | Amazon | 212 |
3 | Methylmercury | 195 |
4 | Fish | 147 |
5 | Brazilian Amazon | 139 |
6 | Brazil | 116 |
7 | Contamination | 98 |
8 | Exposure | 96 |
9 | Pollution | 86 |
10 | Fish consumption | 70 |
11 | Hair | 64 |
12 | Basin | 59 |
13 | Sediments | 55 |
14 | Bioaccumulation | 42 |
15 | Water | 42 |
1991–2017 | |||||
---|---|---|---|---|---|
Rank | Authors (Year) | Cit. 1 | Co-Cit. 2 | Journal | Impact Factor (JCR) |
1 | Malm, O.; Branches, F.; Akagi, H.; Castro, M.B.; Pfeiffer, W.C.; Harada, M.; et al. (1995) | 168 | 80 | Science of the Total Environment | 4.610 |
2 | Malm, O. (1998) | 294 | 78 | Environmental Research | 4.732 |
3 | Lebel, J.; Roulet, M.; Mergler, D.; Lucotte, M.; Larribe, F. (1997) | 114 | 75 | Water, Air, and Soil Pollution | 1.769 |
4 | Roulet, M.; Lucotte, M.; Farella, N.; Serique, G.; Coelho, H.; Passos, C.J.S.; et al. (1999) | 138 | 75 | Water, Air, and Soil Pollution | 1.769 |
5 | Malm, O.; Pfeiffer, W.C.; Souza, C.M.M.; Reuther, R. (1990) | 162 | 72 | AMBIO | 3.616 |
6 | Roulet, M.; Lucotte, M.; Saint-Aubin, A.; Tran, S.; Rheault, I.; Farella, N.; et al. (1998) | 137 | 70 | Science of the Total Environment | 4.610 |
7 | Akagi, H.; Malm, O.; Branches, F.J.P.; Kashima, Y.; Guimaraes, J.R.D.; et al. (1995) | 118 | 68 | Water, Air, and Soil Pollution | 1.769 |
8 | Fadini, P.S.; Jardim, W.F. (2001) | 102 | 67 | Science of the Total Environment | 4.610 |
9 | Lebel, J.; Mergler, D.; Lucotte, M.; Amorim, M.; Larribe, F.; Dolbec, J. (1998) | 194 | 62 | Environmental Research | 4.732 |
10 | Pfeiffer, W.C.; Lacerda, L.D. (1988) | 121 | 60 | Environmental Technology Letters | NA |
Total citations | 1548 | 707 |
© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Share and Cite
Moraes Pinto, L.d.C.; Dórea, J.G.; Bernardi, J.V.E.; Gomes, L.F. Mapping the Evolution of Mercury (Hg) Research in the Amazon (1991–2017): A Scientometric Analysis. Int. J. Environ. Res. Public Health 2019, 16, 1111. https://doi.org/10.3390/ijerph16071111
Moraes Pinto LdC, Dórea JG, Bernardi JVE, Gomes LF. Mapping the Evolution of Mercury (Hg) Research in the Amazon (1991–2017): A Scientometric Analysis. International Journal of Environmental Research and Public Health. 2019; 16(7):1111. https://doi.org/10.3390/ijerph16071111
Chicago/Turabian StyleMoraes Pinto, Lilian de C., José G. Dórea, José Vicente Elias Bernardi, and Leonardo Fernandes Gomes. 2019. "Mapping the Evolution of Mercury (Hg) Research in the Amazon (1991–2017): A Scientometric Analysis" International Journal of Environmental Research and Public Health 16, no. 7: 1111. https://doi.org/10.3390/ijerph16071111