Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands
Abstract: Aim Here, we aim to: (a) investigate the local effect of environmental and anthropogenic factors on alien plant invasion in sub-Antarctic islands; and (b) explore whether and how functional traits affect alien species dependence on anthropogenic factors in these environments. Location Poss...
Published in: | Journal of Vegetation Science |
---|---|
Main Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
2021
|
Subjects: | |
Online Access: | https://hdl.handle.net/10067/1810490151162165141 https://repository.uantwerpen.be/docstore/d:irua:8173 |
id |
ftunivantwerpen:c:irua:181049 |
---|---|
record_format |
openpolar |
spelling |
ftunivantwerpen:c:irua:181049 2023-11-05T03:36:06+01:00 Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands Bazzichetto, Manuele Massol, Francois Carboni, Marta Lenoir, Jonathan Lembrechts, Jonas Joly, Rémi Renault, David 2021 https://hdl.handle.net/10067/1810490151162165141 https://repository.uantwerpen.be/docstore/d:irua:8173 eng eng info:eu-repo/semantics/altIdentifier/doi/10.1111/JVS.13057 info:eu-repo/semantics/altIdentifier/isi/000690877500017 info:eu-repo/semantics/openAccess 1100-9233 Journal of vegetation science Chemistry Biology info:eu-repo/semantics/article 2021 ftunivantwerpen https://doi.org/10.1111/JVS.13057 2023-10-11T22:26:02Z Abstract: Aim Here, we aim to: (a) investigate the local effect of environmental and anthropogenic factors on alien plant invasion in sub-Antarctic islands; and (b) explore whether and how functional traits affect alien species dependence on anthropogenic factors in these environments. Location Possession Island, Crozet archipelago (French sub-Antarctic islands). Methods Single-species distribution models were used to explore the effect of high-resolution topoclimatic and human-related variables on the occurrence of six alien plants colonizing French sub-Antarctic islands. Furthermore, plant responses to human-related variables and the effect of those variables in interaction with plant traits were analysed by means of a multi-species distribution model. This allowed identifying functional features mediating the influence of human activities on the occurrence probability of alien plant species. Results We observed two main invasion patterns: (a) species predicted to occur close to the introduction sites, whose occurrence probability appeared to be strongly affected by anthropogenic factors; and (b) species predicted to occur nearly everywhere on Possession Island, except in areas featuring particularly harsh climatic conditions. Differences in the influence of human-related variables on the occurrence of the alien species were mostly related to their life history, plant height and residence time, with perennial and low-statured species introduced earlier appearing less dependent on human-induced dispersal and disturbance. Conclusions We conclude that both topoclimatic and anthropogenic factors affect plant invasion on sub-Antarctic islands. Specifically, species predicted to occur close to their introduction sites appear much more dependent on human presence and activity, potentially due to the lack of key functional traits allowing them to spread successfully across Possession Island under the harsh sub-Antarctic climate. Yet, particularly severe abiotic conditions are a major constraint which equally limits ... Article in Journal/Newspaper Antarc* Antarctic Possession Island IRUA - Institutional Repository van de Universiteit Antwerpen Journal of Vegetation Science 32 4 |
institution |
Open Polar |
collection |
IRUA - Institutional Repository van de Universiteit Antwerpen |
op_collection_id |
ftunivantwerpen |
language |
English |
topic |
Chemistry Biology |
spellingShingle |
Chemistry Biology Bazzichetto, Manuele Massol, Francois Carboni, Marta Lenoir, Jonathan Lembrechts, Jonas Joly, Rémi Renault, David Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands |
topic_facet |
Chemistry Biology |
description |
Abstract: Aim Here, we aim to: (a) investigate the local effect of environmental and anthropogenic factors on alien plant invasion in sub-Antarctic islands; and (b) explore whether and how functional traits affect alien species dependence on anthropogenic factors in these environments. Location Possession Island, Crozet archipelago (French sub-Antarctic islands). Methods Single-species distribution models were used to explore the effect of high-resolution topoclimatic and human-related variables on the occurrence of six alien plants colonizing French sub-Antarctic islands. Furthermore, plant responses to human-related variables and the effect of those variables in interaction with plant traits were analysed by means of a multi-species distribution model. This allowed identifying functional features mediating the influence of human activities on the occurrence probability of alien plant species. Results We observed two main invasion patterns: (a) species predicted to occur close to the introduction sites, whose occurrence probability appeared to be strongly affected by anthropogenic factors; and (b) species predicted to occur nearly everywhere on Possession Island, except in areas featuring particularly harsh climatic conditions. Differences in the influence of human-related variables on the occurrence of the alien species were mostly related to their life history, plant height and residence time, with perennial and low-statured species introduced earlier appearing less dependent on human-induced dispersal and disturbance. Conclusions We conclude that both topoclimatic and anthropogenic factors affect plant invasion on sub-Antarctic islands. Specifically, species predicted to occur close to their introduction sites appear much more dependent on human presence and activity, potentially due to the lack of key functional traits allowing them to spread successfully across Possession Island under the harsh sub-Antarctic climate. Yet, particularly severe abiotic conditions are a major constraint which equally limits ... |
format |
Article in Journal/Newspaper |
author |
Bazzichetto, Manuele Massol, Francois Carboni, Marta Lenoir, Jonathan Lembrechts, Jonas Joly, Rémi Renault, David |
author_facet |
Bazzichetto, Manuele Massol, Francois Carboni, Marta Lenoir, Jonathan Lembrechts, Jonas Joly, Rémi Renault, David |
author_sort |
Bazzichetto, Manuele |
title |
Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands |
title_short |
Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands |
title_full |
Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands |
title_fullStr |
Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands |
title_full_unstemmed |
Once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands |
title_sort |
once upon a time in the far south : influence of local drivers and functional traits on plant invasion in the harsh sub-antarctic islands |
publishDate |
2021 |
url |
https://hdl.handle.net/10067/1810490151162165141 https://repository.uantwerpen.be/docstore/d:irua:8173 |
genre |
Antarc* Antarctic Possession Island |
genre_facet |
Antarc* Antarctic Possession Island |
op_source |
1100-9233 Journal of vegetation science |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1111/JVS.13057 info:eu-repo/semantics/altIdentifier/isi/000690877500017 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1111/JVS.13057 |
container_title |
Journal of Vegetation Science |
container_volume |
32 |
container_issue |
4 |
_version_ |
1781690804336590848 |