Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island
Plant eradication is difficult, particularly in remote, protected areas. The Southern Ocean Islands are very isolated and highly protected, but the flora contains many alien plants. Small restricted populations have been eradicated, but eradication of established species has proven difficult. A bett...
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ftqueensland:oai:eprints.qut.edu.au:234133 2024-02-04T09:54:23+01:00 Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island Williams, L. K. Sindel, B. M. Kristiansen, P. Wilson, S. C. Shaw, J. D. 2019-06 https://eprints.qut.edu.au/234133/ unknown Wiley-Blackwell Publishing Ltd doi:10.1111/wre.12355 Williams, L. K., Sindel, B. M., Kristiansen, P., Wilson, S. C., & Shaw, J. D. (2019) Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island. Weed Research, 59(3), pp. 180-190. https://eprints.qut.edu.au/234133/ 2019 European Weed Research Society This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au Weed Research alien annual meadow grass eradication off-target impacts Southern Ocean Islands weed wintergrass Contribution to Journal 2019 ftqueensland https://doi.org/10.1111/wre.12355 2024-01-09T00:09:21Z Plant eradication is difficult, particularly in remote, protected areas. The Southern Ocean Islands are very isolated and highly protected, but the flora contains many alien plants. Small restricted populations have been eradicated, but eradication of established species has proven difficult. A better understanding of the efficacy of control methods at sub-Antarctic temperatures and their off-target impacts may increase eradication success. With interest in controlling non-native Poa annua in the region, we aimed to determine if physical and chemical methods can control P. annua (the sub-Antarctic biotype) in sub-Antarctic conditions and examined their impact on native plants. We quantified the effectiveness of physical control methods on P. annua in situ on sub-Antarctic Macquarie Island through field-based experiments and assessed their selectivity on P. annua compared with native grasses. We also quantified the effectiveness of several herbicides on P. annua at sub-Antarctic temperatures and assessed their selectivity on native grasses. Of the four physical disturbance methods tested, none effectively reduced P. annua cover as one-off treatments. Of the herbicide treatments, glyphosate and trifloxysulfuron sodium were effective and were less damaging to native grass species, indicating potential selectivity. Physical control was of limited effectiveness, but did not affect native species richness. An integrated weed management programme utilising the strategic use of selective herbicides with follow-up chemical and physical intervention may balance control and biodiversity outcomes. This research highlights the importance of site-specific testing of control methods and understanding off-target impacts of control when managing alien plant species in protected areas. Article in Journal/Newspaper Antarc* Antarctic Macquarie Island Southern Ocean Queensland University of Technology: QUT ePrints Antarctic Southern Ocean Weed Research 59 3 180 190 |
institution |
Open Polar |
collection |
Queensland University of Technology: QUT ePrints |
op_collection_id |
ftqueensland |
language |
unknown |
topic |
alien annual meadow grass eradication off-target impacts Southern Ocean Islands weed wintergrass |
spellingShingle |
alien annual meadow grass eradication off-target impacts Southern Ocean Islands weed wintergrass Williams, L. K. Sindel, B. M. Kristiansen, P. Wilson, S. C. Shaw, J. D. Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island |
topic_facet |
alien annual meadow grass eradication off-target impacts Southern Ocean Islands weed wintergrass |
description |
Plant eradication is difficult, particularly in remote, protected areas. The Southern Ocean Islands are very isolated and highly protected, but the flora contains many alien plants. Small restricted populations have been eradicated, but eradication of established species has proven difficult. A better understanding of the efficacy of control methods at sub-Antarctic temperatures and their off-target impacts may increase eradication success. With interest in controlling non-native Poa annua in the region, we aimed to determine if physical and chemical methods can control P. annua (the sub-Antarctic biotype) in sub-Antarctic conditions and examined their impact on native plants. We quantified the effectiveness of physical control methods on P. annua in situ on sub-Antarctic Macquarie Island through field-based experiments and assessed their selectivity on P. annua compared with native grasses. We also quantified the effectiveness of several herbicides on P. annua at sub-Antarctic temperatures and assessed their selectivity on native grasses. Of the four physical disturbance methods tested, none effectively reduced P. annua cover as one-off treatments. Of the herbicide treatments, glyphosate and trifloxysulfuron sodium were effective and were less damaging to native grass species, indicating potential selectivity. Physical control was of limited effectiveness, but did not affect native species richness. An integrated weed management programme utilising the strategic use of selective herbicides with follow-up chemical and physical intervention may balance control and biodiversity outcomes. This research highlights the importance of site-specific testing of control methods and understanding off-target impacts of control when managing alien plant species in protected areas. |
format |
Article in Journal/Newspaper |
author |
Williams, L. K. Sindel, B. M. Kristiansen, P. Wilson, S. C. Shaw, J. D. |
author_facet |
Williams, L. K. Sindel, B. M. Kristiansen, P. Wilson, S. C. Shaw, J. D. |
author_sort |
Williams, L. K. |
title |
Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island |
title_short |
Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island |
title_full |
Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island |
title_fullStr |
Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island |
title_full_unstemmed |
Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island |
title_sort |
assessing the efficacy and impact of management of an invasive species in a protected area: poa annua on sub-antarctic macquarie island |
publisher |
Wiley-Blackwell Publishing Ltd |
publishDate |
2019 |
url |
https://eprints.qut.edu.au/234133/ |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Macquarie Island Southern Ocean |
genre_facet |
Antarc* Antarctic Macquarie Island Southern Ocean |
op_source |
Weed Research |
op_relation |
doi:10.1111/wre.12355 Williams, L. K., Sindel, B. M., Kristiansen, P., Wilson, S. C., & Shaw, J. D. (2019) Assessing the efficacy and impact of management of an invasive species in a protected area: Poa annua on sub-Antarctic Macquarie Island. Weed Research, 59(3), pp. 180-190. https://eprints.qut.edu.au/234133/ |
op_rights |
2019 European Weed Research Society This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au |
op_doi |
https://doi.org/10.1111/wre.12355 |
container_title |
Weed Research |
container_volume |
59 |
container_issue |
3 |
container_start_page |
180 |
op_container_end_page |
190 |
_version_ |
1789973386720444416 |