Ptaquiloside in irish bracken ferns and receiving waters, with implications for land managers

Connie O'Driscoll; Carmel Ramwell; Brendan Harhen; Liam Morrison; Frederik Clauson-Kaas; Hans Chr. Bruun Hansen; Graeme Campbell; Jerome Sheahan; Bruce Misstear; Liwen Xiao

doi:10.3390/molecules21050543

Ptaquiloside in irish bracken ferns and receiving waters, with implications for land managers

Connie O'Driscoll, Carmel Ramwell, Brendan Harhen, Liam Morrison, Frederik Clauson-Kaas, Hans Chr. Bruun Hansen, Graeme Campbell, Jerome Sheahan, Bruce Misstear, Liwen Xiao

Miljøkemi

17 Citationer (Scopus)

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Abstract

Ptaquiloside, along with other natural phytotoxins, is receiving increased attention from scientists and land use managers. There is an urgent need to increase empirical evidence to understand the scale of phytotoxin mobilisation and potential to enter into the environment. In this study the risk of ptaquiloside to drinking water was assessed by quantifying ptaquiloside in the receiving waters at three drinking water abstraction sites across Ireland and in bracken fronds surrounding the abstraction sites. We also investigated the impact of different management regimes (spraying, cutting and rolling) on ptaquiloside concentrations at plot-scale in six locations in Northern Ireland, UK. Ptaquiloside concentrations were determined using recent advances in the use of LC-MS for the detection and quantification of ptaquiloside. The results indicate that ptaquiloside is present in bracken stands surrounding drinking water abstractions in Ireland, and ptaquiloside concentrations were also observed in the receiving waters. Furthermore, spraying was found to be the most effective bracken management regime observed in terms of reducing ptaquiloside load. Increased awareness is vital on the implications of managing land with extensive bracken stands.

Originalsprog	Engelsk
Artikelnummer	543
Tidsskrift	Molecules
Vol/bind	21
Udgave nummer	5
Antal sider	16
ISSN	1420-3049
DOI	https://doi.org/10.3390/molecules21050543
Status	Udgivet - 1 maj 2016

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Ptaquiloside in Irish Bracken Ferns and Receiving Waters, with Implications for Land ManagersForlagets udgivne version, 1,77 MB

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abstract = "Ptaquiloside, along with other natural phytotoxins, is receiving increased attention from scientists and land use managers. There is an urgent need to increase empirical evidence to understand the scale of phytotoxin mobilisation and potential to enter into the environment. In this study the risk of ptaquiloside to drinking water was assessed by quantifying ptaquiloside in the receiving waters at three drinking water abstraction sites across Ireland and in bracken fronds surrounding the abstraction sites. We also investigated the impact of different management regimes (spraying, cutting and rolling) on ptaquiloside concentrations at plot-scale in six locations in Northern Ireland, UK. Ptaquiloside concentrations were determined using recent advances in the use of LC-MS for the detection and quantification of ptaquiloside. The results indicate that ptaquiloside is present in bracken stands surrounding drinking water abstractions in Ireland, and ptaquiloside concentrations were also observed in the receiving waters. Furthermore, spraying was found to be the most effective bracken management regime observed in terms of reducing ptaquiloside load. Increased awareness is vital on the implications of managing land with extensive bracken stands.",

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AU - O'Driscoll, Connie

AU - Ramwell, Carmel

AU - Harhen, Brendan

AU - Morrison, Liam

AU - Clauson-Kaas, Frederik

AU - Hansen, Hans Chr. Bruun

AU - Campbell, Graeme

AU - Sheahan, Jerome

AU - Misstear, Bruce

AU - Xiao, Liwen

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N2 - Ptaquiloside, along with other natural phytotoxins, is receiving increased attention from scientists and land use managers. There is an urgent need to increase empirical evidence to understand the scale of phytotoxin mobilisation and potential to enter into the environment. In this study the risk of ptaquiloside to drinking water was assessed by quantifying ptaquiloside in the receiving waters at three drinking water abstraction sites across Ireland and in bracken fronds surrounding the abstraction sites. We also investigated the impact of different management regimes (spraying, cutting and rolling) on ptaquiloside concentrations at plot-scale in six locations in Northern Ireland, UK. Ptaquiloside concentrations were determined using recent advances in the use of LC-MS for the detection and quantification of ptaquiloside. The results indicate that ptaquiloside is present in bracken stands surrounding drinking water abstractions in Ireland, and ptaquiloside concentrations were also observed in the receiving waters. Furthermore, spraying was found to be the most effective bracken management regime observed in terms of reducing ptaquiloside load. Increased awareness is vital on the implications of managing land with extensive bracken stands.

AB - Ptaquiloside, along with other natural phytotoxins, is receiving increased attention from scientists and land use managers. There is an urgent need to increase empirical evidence to understand the scale of phytotoxin mobilisation and potential to enter into the environment. In this study the risk of ptaquiloside to drinking water was assessed by quantifying ptaquiloside in the receiving waters at three drinking water abstraction sites across Ireland and in bracken fronds surrounding the abstraction sites. We also investigated the impact of different management regimes (spraying, cutting and rolling) on ptaquiloside concentrations at plot-scale in six locations in Northern Ireland, UK. Ptaquiloside concentrations were determined using recent advances in the use of LC-MS for the detection and quantification of ptaquiloside. The results indicate that ptaquiloside is present in bracken stands surrounding drinking water abstractions in Ireland, and ptaquiloside concentrations were also observed in the receiving waters. Furthermore, spraying was found to be the most effective bracken management regime observed in terms of reducing ptaquiloside load. Increased awareness is vital on the implications of managing land with extensive bracken stands.

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SN - 1420-3049

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JO - Molecules

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Ptaquiloside in irish bracken ferns and receiving waters, with implications for land managers

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