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Modelling the impacts of an invasive species across landscapes: a step-wise approach

We estimate the extent of ecological impacts of the invasive Asian paper wasp across different landscapes in New Zealand. We used: (i) a baseline distribution layer (modelled via MaxEnt); (ii) Asian paper wasp nest density (from >460 field plots, related to their preferences for specific land cov...

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Detalles Bibliográficos
Autores principales: Ward, Darren, Morgan, Fraser
Formato: Online Artículo Texto
Lenguaje:English
Publicado: PeerJ Inc. 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4060016/
https://www.ncbi.nlm.nih.gov/pubmed/24949248
http://dx.doi.org/10.7717/peerj.435
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author Ward, Darren
Morgan, Fraser
author_facet Ward, Darren
Morgan, Fraser
author_sort Ward, Darren
collection PubMed
description We estimate the extent of ecological impacts of the invasive Asian paper wasp across different landscapes in New Zealand. We used: (i) a baseline distribution layer (modelled via MaxEnt); (ii) Asian paper wasp nest density (from >460 field plots, related to their preferences for specific land cover categories); and (iii) and their foraging intensity (rates of foraging success, and the time available to forage on a seasonal basis). Using geographic information systems this information is combined and modelled across different landscapes in New Zealand in a step-wise selection process. The highest densities of Asian paper wasps were in herbaceous saline vegetation, followed closely by built-up areas, and then scrub and shrubland. Nest densities of 34 per ha, and occupancy rates of 0.27 were recorded for herbaceous saline vegetation habitats. However, the extent of impacts of the Asian paper wasp remains relatively restricted because of narrow climate tolerances and spatial restriction of preferred habitats. A step-wise process based on geographic information systems and species distribution models, in combination with factors such as distribution, density, and predation, create a useful tool that allows the extent of impacts of invasive species to be assessed across large spatial scales. These models will be useful for conservation managers as they provide easy visual interpretation of results, and can help prioritise where direct conservation action or control of the invader are required.
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spelling pubmed-40600162014-06-19 Modelling the impacts of an invasive species across landscapes: a step-wise approach Ward, Darren Morgan, Fraser PeerJ Biodiversity We estimate the extent of ecological impacts of the invasive Asian paper wasp across different landscapes in New Zealand. We used: (i) a baseline distribution layer (modelled via MaxEnt); (ii) Asian paper wasp nest density (from >460 field plots, related to their preferences for specific land cover categories); and (iii) and their foraging intensity (rates of foraging success, and the time available to forage on a seasonal basis). Using geographic information systems this information is combined and modelled across different landscapes in New Zealand in a step-wise selection process. The highest densities of Asian paper wasps were in herbaceous saline vegetation, followed closely by built-up areas, and then scrub and shrubland. Nest densities of 34 per ha, and occupancy rates of 0.27 were recorded for herbaceous saline vegetation habitats. However, the extent of impacts of the Asian paper wasp remains relatively restricted because of narrow climate tolerances and spatial restriction of preferred habitats. A step-wise process based on geographic information systems and species distribution models, in combination with factors such as distribution, density, and predation, create a useful tool that allows the extent of impacts of invasive species to be assessed across large spatial scales. These models will be useful for conservation managers as they provide easy visual interpretation of results, and can help prioritise where direct conservation action or control of the invader are required. PeerJ Inc. 2014-06-12 /pmc/articles/PMC4060016/ /pubmed/24949248 http://dx.doi.org/10.7717/peerj.435 Text en © 2014 Ward and Morgan http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
spellingShingle Biodiversity
Ward, Darren
Morgan, Fraser
Modelling the impacts of an invasive species across landscapes: a step-wise approach
title Modelling the impacts of an invasive species across landscapes: a step-wise approach
title_full Modelling the impacts of an invasive species across landscapes: a step-wise approach
title_fullStr Modelling the impacts of an invasive species across landscapes: a step-wise approach
title_full_unstemmed Modelling the impacts of an invasive species across landscapes: a step-wise approach
title_short Modelling the impacts of an invasive species across landscapes: a step-wise approach
title_sort modelling the impacts of an invasive species across landscapes: a step-wise approach
topic Biodiversity
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4060016/
https://www.ncbi.nlm.nih.gov/pubmed/24949248
http://dx.doi.org/10.7717/peerj.435
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