Impact and recovery of water quality in a river with salmon aquaculture
Abstract Freshwater aquaculture can have negative impacts on chemical, physical and biological water quality. To contextualise the impact that these activities may have, a case study site in Ireland was monitored for 1 year. The study aims were to investigate the impact of freshwater aquaculture on...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2024-02-01
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| Series: | Aquaculture, Fish and Fisheries |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/aff2.142 |
| _version_ | 1797294185315827712 |
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| author | Ronan Cooney Alexandre Tahar Alan Kennedy Eoghan Clifford |
| author_facet | Ronan Cooney Alexandre Tahar Alan Kennedy Eoghan Clifford |
| author_sort | Ronan Cooney |
| collection | DOAJ |
| description | Abstract Freshwater aquaculture can have negative impacts on chemical, physical and biological water quality. To contextualise the impact that these activities may have, a case study site in Ireland was monitored for 1 year. The study aims were to investigate the impact of freshwater aquaculture on water quality (biological, physical, and chemical) and the degree of the impact and recovery in water quality, within 1000 m downstream of a salmon smolt hatchery. The hatchery was monitored, at four locations (upstream, 10, 100, and 1,000 m downstream of the discharge point). Data on macroinvertebrate, macrophyte, hydromorphology and chemical characteristics were collected. Results for the physical monitoring indicated no significant changes in hydromorphology between up and downstream sites. Chemical water quality did decrease downstream in terms of nitrogen (N) and phosphorus (P). The greatest concentrations in N and P were found at 1000 m though it is likely additional contributions from agriculture impacted this site. Dissolved oxygen was steady throughout the monitoring campaign with a 13% variance between upstream and downstream locations. Changes in biological indices were statistically significant for taxa at all downstream sites. There were positive trends which indicated a degree of recovery in biotic indices. |
| first_indexed | 2024-03-07T21:26:36Z |
| format | Article |
| id | doaj.art-1e57e7a02c0b4831a4c855eaceec8f08 |
| institution | Directory Open Access Journal |
| issn | 2693-8847 |
| language | English |
| last_indexed | 2024-03-07T21:26:36Z |
| publishDate | 2024-02-01 |
| publisher | Wiley |
| record_format | Article |
| series | Aquaculture, Fish and Fisheries |
| spelling | doaj.art-1e57e7a02c0b4831a4c855eaceec8f082024-02-27T04:35:20ZengWileyAquaculture, Fish and Fisheries2693-88472024-02-0141n/an/a10.1002/aff2.142Impact and recovery of water quality in a river with salmon aquacultureRonan Cooney0Alexandre Tahar1Alan Kennedy2Eoghan Clifford3School of Engineering University of Galway Galway IrelandSchool of Engineering University of Galway Galway IrelandSchool of Engineering University of Galway Galway IrelandSchool of Engineering University of Galway Galway IrelandAbstract Freshwater aquaculture can have negative impacts on chemical, physical and biological water quality. To contextualise the impact that these activities may have, a case study site in Ireland was monitored for 1 year. The study aims were to investigate the impact of freshwater aquaculture on water quality (biological, physical, and chemical) and the degree of the impact and recovery in water quality, within 1000 m downstream of a salmon smolt hatchery. The hatchery was monitored, at four locations (upstream, 10, 100, and 1,000 m downstream of the discharge point). Data on macroinvertebrate, macrophyte, hydromorphology and chemical characteristics were collected. Results for the physical monitoring indicated no significant changes in hydromorphology between up and downstream sites. Chemical water quality did decrease downstream in terms of nitrogen (N) and phosphorus (P). The greatest concentrations in N and P were found at 1000 m though it is likely additional contributions from agriculture impacted this site. Dissolved oxygen was steady throughout the monitoring campaign with a 13% variance between upstream and downstream locations. Changes in biological indices were statistically significant for taxa at all downstream sites. There were positive trends which indicated a degree of recovery in biotic indices.https://doi.org/10.1002/aff2.142aquacultureAtlantic salmonfreshwaterrecoverywater quality |
| spellingShingle | Ronan Cooney Alexandre Tahar Alan Kennedy Eoghan Clifford Impact and recovery of water quality in a river with salmon aquaculture Aquaculture, Fish and Fisheries aquaculture Atlantic salmon freshwater recovery water quality |
| title | Impact and recovery of water quality in a river with salmon aquaculture |
| title_full | Impact and recovery of water quality in a river with salmon aquaculture |
| title_fullStr | Impact and recovery of water quality in a river with salmon aquaculture |
| title_full_unstemmed | Impact and recovery of water quality in a river with salmon aquaculture |
| title_short | Impact and recovery of water quality in a river with salmon aquaculture |
| title_sort | impact and recovery of water quality in a river with salmon aquaculture |
| topic | aquaculture Atlantic salmon freshwater recovery water quality |
| url | https://doi.org/10.1002/aff2.142 |
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