Articles | Volume 24, issue 10
https://doi.org/10.5194/hess-24-4763-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-24-4763-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| Highlight paper
| 
05 Oct 2020
Research article | Highlight paper |
| 05 Oct 2020
| 05 Oct 2020
Ionic aluminium concentrations exceed thresholds for aquatic health in Nova Scotian rivers, even during conditions of high dissolved organic carbon and low flow
Shannon M. Sterling
CORRESPONDING AUTHOR
Sterling Hydrology Research Group, Department of Earth and
Environmental Sciences, Dalhousie University, Halifax, Nova Scotia, Canada
Sarah MacLeod
Coastal Action, Lunenburg, Nova Scotia, Canada
Lobke Rotteveel
Sterling Hydrology Research Group, Department of Earth and
Environmental Sciences, Dalhousie University, Halifax, Nova Scotia, Canada
Kristin Hart
Sterling Hydrology Research Group, Department of Earth and
Environmental Sciences, Dalhousie University, Halifax, Nova Scotia, Canada
Thomas A. Clair
Sterling Hydrology Research Group, Department of Earth and
Environmental Sciences, Dalhousie University, Halifax, Nova Scotia, Canada
Edmund A. Halfyard
Nova Scotia Salmon Association, Chester, Nova Scotia, Canada
Nicole L. O'Brien
Department of Earth and Environmental Sciences, Dalhousie
University, Halifax, Nova Scotia, Canada
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Cited
13 citations as recorded by crossref.
- A review of long-term change in surface water natural organic matter concentration in the northern hemisphere and the implications for drinking water treatment L. Anderson et al. 10.1016/j.scitotenv.2022.159699
- Detection and Prediction of Toxic Aluminum Concentrations in High-Priority Salmon Rivers in Nova Scotia K. Hart et al. 10.1002/etc.5997
- Long-term temporal response of eastern canadian lakes chemistry along a large spatial gradient of atmospheric sulfate deposition F. Mazoyer & D. Houle 10.1016/j.envpol.2024.125498
- Significant stream chemistry response to temperature variations in a high-elevation mountain watershed W. Zhi et al. 10.1038/s43247-020-00039-w
- Distribution, Drivers, and Threats of Aluminum in Groundwater in Nova Scotia, Canada K. Hart et al. 10.3390/w13111578
- Kejimkujik calibrated catchments: A benchmark dataset for long‐term impacts of terrestrial and freshwater acidification S. Sterling et al. 10.1002/hyp.14477
- Evaluating acid-aluminum stress in streams of the Northeastern U.S. at watershed, fish community and physiological scales B. Zdasiuk et al. 10.1016/j.ecolind.2022.109480
- Trends and current status of aluminum chemistry in Adirondack headwater streams 30 Years after the Clean Air Act Amendments of 1990 G. Lawrence et al. 10.1016/j.atmosenv.2021.118233
- Synoptic snapshots: monitoring lake water quality over 4 decades in an urbanizing region C. Doucet et al. 10.1080/10402381.2023.2205355
- Long-term trend and drivers of inter-annual variability of surface water dissolved organic carbon concentration in a forested watershed F. Augustin et al. 10.1016/j.catena.2024.107918
- Rapid improvement of lake acid–base status in Atlantic Canada following steep decline in precipitation acidity D. Houle et al. 10.1139/cjfas-2021-0349
- Before and after mink fur farming: water chemistry and sedimentary diatom assemblages in lakes from southwestern Nova Scotia, Canada N. Libera et al. 10.1080/10402381.2024.2306639
- Five Aluminum Seasonality Regimes Identified in Chronically Acidified Rivers of Nova Scotia L. Rotteveel & S. Sterling 10.1021/acs.est.9b04872
12 citations as recorded by crossref.
- A review of long-term change in surface water natural organic matter concentration in the northern hemisphere and the implications for drinking water treatment L. Anderson et al. 10.1016/j.scitotenv.2022.159699
- Detection and Prediction of Toxic Aluminum Concentrations in High-Priority Salmon Rivers in Nova Scotia K. Hart et al. 10.1002/etc.5997
- Long-term temporal response of eastern canadian lakes chemistry along a large spatial gradient of atmospheric sulfate deposition F. Mazoyer & D. Houle 10.1016/j.envpol.2024.125498
- Significant stream chemistry response to temperature variations in a high-elevation mountain watershed W. Zhi et al. 10.1038/s43247-020-00039-w
- Distribution, Drivers, and Threats of Aluminum in Groundwater in Nova Scotia, Canada K. Hart et al. 10.3390/w13111578
- Kejimkujik calibrated catchments: A benchmark dataset for long‐term impacts of terrestrial and freshwater acidification S. Sterling et al. 10.1002/hyp.14477
- Evaluating acid-aluminum stress in streams of the Northeastern U.S. at watershed, fish community and physiological scales B. Zdasiuk et al. 10.1016/j.ecolind.2022.109480
- Trends and current status of aluminum chemistry in Adirondack headwater streams 30 Years after the Clean Air Act Amendments of 1990 G. Lawrence et al. 10.1016/j.atmosenv.2021.118233
- Synoptic snapshots: monitoring lake water quality over 4 decades in an urbanizing region C. Doucet et al. 10.1080/10402381.2023.2205355
- Long-term trend and drivers of inter-annual variability of surface water dissolved organic carbon concentration in a forested watershed F. Augustin et al. 10.1016/j.catena.2024.107918
- Rapid improvement of lake acid–base status in Atlantic Canada following steep decline in precipitation acidity D. Houle et al. 10.1139/cjfas-2021-0349
- Before and after mink fur farming: water chemistry and sedimentary diatom assemblages in lakes from southwestern Nova Scotia, Canada N. Libera et al. 10.1080/10402381.2024.2306639
1 citations as recorded by crossref.
Latest update: 21 Feb 2025
Short summary
Wild salmon numbers in Nova Scotia, Canada, have been plummeting in recent decades. In 2014, we launched an ionic aluminium monitoring program in Nova Scotia to see if this toxic element was a threat to salmon populations. We found that all 10 monitored rivers had ionic aluminium concentrations that exceeded the threshold for aquatic health. Our results demonstrate that elevated aluminium still threatens aquatic ecosystems and that delays in recovery from acid rain remains a critical issue.
Wild salmon numbers in Nova Scotia, Canada, have been plummeting in recent decades. In 2014, we...
