The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Increases in Fluxes of Greenhouse Gases and Methyl Mercury following Flooding of an Experimental Reservoir
Abstract
Experimental flooding of a boreal forest wetland caused the wetland to change from being a small, natural carbon sink, with respect to the atmosphere, of −6.6 g of C m - 2 yr - 1 to a large source of +130 g of C m - 2 yr - 1 . This change was caused by the death of the vegetation, which eliminated the photosynthetic CO 2 sink and stimulated the microbial production of CO 2 and CH 4 from decomposition of plant tissues and peat. Another type of microbial activity that increased was the methylation of inorganic mercury to the much more toxic methyl mercury (MeHg) form. The wetland was a source of MeHg prior to flooding and became an even larger source (39 fold) after flooding. MeHg concentrations in the water sometimes exceeded 2 ng L - 1, with the average being 0.9 ng L - 1 in the first 2 years after flooding. MeHg also increased in the flooded vegetation and peat, in lower food chain organisms, and in fish. Two recommendations, which should minimize both greenhouse gas production and MeHg production in reservoirs, can be made: (1) minimize the total area of land flooded (i.e., avoid flooding areas of low relief) and (2) minimize the flooding of wetlands, which contain larger quantities of organic carbon than uplands and are sites of intense production of MeHg.
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Cites
Sites of Methyl Mercury Production in Remote Canadian Shield
Ramlal, P. S., Kelly, C. A., Rudd, J. W. M., & Furutani, A. (1993) · Canadian Journal of Fisheries and Aquatic Sciences · doi:10.1139/f93-112 · Cited by 117
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Gilmour, C. C., Riedel, G. S., Ederington, M. C., Bell, J. T., Gill, G. A., & Stordal, M. C. (1998) · Biogeochemistry · doi:10.1023/a:1005972708616 · Cited by 470
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Mercury: What can we learn from the Amazon?
Crespo-Lopez, M. E., Augusto-Oliveira, M., Lopes-Araújo, A., Santos-Sacramento, L., Yuki Takeda, P., Macchi, B. D. M., do Nascimento, J. L. M., Maia, C. S. F., Lima, R. R., & Arrifano, G. P. (2021) · Environment International · doi:10.1016/j.envint.2020.106223 · Cited by 219
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Basta, P. C., Viana, P. V. D. S., Vasconcellos, A. C. S. D., Périssé, A. R. S., Hofer, C. B., Paiva, N. S., Kempton, J. W., Ciampi de Andrade, D., Oliveira, R. A. A. D., Achatz, R. W., et al. (2021) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph18179222 · Cited by 90
Metadata
- Authors
- Kelly, C. A., Rudd, J. W. M., Bodaly, R. A., Roulet, N. P., St.Louis, V. L., Heyes, A., Moore, T. R., Schiff, S., Aravena, R., Scott, K. J., Dyck, B., Harris, R., Warner, B., & Edwards, G.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 1997-04-29
- Volume
- 31
- Issue
- 5
- Pages
- 1334-1344
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2029297082
- Cited by
- 334
- References
- 1
- FWCI
- 17.77
- Type
- journal article
- Language
- en
- Open access
- closed
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