Are vegetative reproduction capacities the cause of widespread invasion of Eurasian Salicaceae in Patagonian river landscapes?
Identifieur interne : 002C02 ( Main/Exploration ); précédent : 002C01; suivant : 002C03Are vegetative reproduction capacities the cause of widespread invasion of Eurasian Salicaceae in Patagonian river landscapes?
Auteurs : Lisa K. Thomas [Allemagne] ; Lena Tölle ; Birgit Ziegenhagen ; Ilona LeyerSource :
- PloS one [ 1932-6203 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Salicaceae.
- physiologie : Salicaceae.
- Asie, Biomasse, Espèce introduite, Europe, Reproduction.
English descriptors
- KwdEn :
- MESH :
- growth & development : Salicaceae.
- physiology : Salicaceae.
- Asia, Biomass, Europe, Introduced Species, Reproduction.
Abstract
In recent decades, invasive willows and poplars (Salicaceae) have built dense floodplain forests along most of the rivers in Patagonia, Argentina. These invasion processes may affect Salix humboldtiana as the only native floodplain tree species in this region. It is assumed, that the property to reproduce vegetatively can play an important role in the establishment of invasive species in their new range. Thus, in order to contribute to a better understanding of willow and poplar invasions in riparian systems and to assess the potential impacts on S. humboldtiana the vegetative reproduction capacities of native and invasive Salicaceae were analysed. In a greenhouse experiment, we studied cutting survival and growth performance of the three most dominant invasive Salicaceae of the Patagonian Río Negro region (two Salix hybrids and Populus spec.), as well as S. humboldtiana, taking into account three different moisture and two different soil conditions. In a subsequent experiment, the shoot and root biomass of cuttings from the former experiment were removed and the bare cuttings were replanted to test their ability to re-sprout. The two invasive willow hybrids performed much better than S. humboldtiana and Populus spec. under all treatment combinations and tended to re-sprout more successfully after repeated biomass loss. Taking into account the ecology of vegetative and generative recruits of floodplain willows, the results indicate that the more vigorous vegetative reproduction capacity can be a crucial property for the success of invasive willow hybrids in Patagonia being a potential threat for S. humboldtiana.
DOI: 10.1371/journal.pone.0050652
PubMed: 23226531
PubMed Central: PMC3514240
Affiliations:
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Thomas</name><affiliation wicri:level="3"><nlm:affiliation>Department of Conservation Biology, Faculty of Biology, Philipps-University Marburg, Marburg, Germany. lisa.thomas@gmx.de</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Conservation Biology, Faculty of Biology, Philipps-University Marburg, Marburg</wicri:regionArea><placeName><region type="land" nuts="1">Hesse (Land)</region><region type="district" nuts="2">District de Giessen</region><settlement type="city">Marbourg</settlement></placeName></affiliation></author><author><name sortKey="Tolle, Lena" sort="Tolle, Lena" uniqKey="Tolle L" first="Lena" last="Tölle">Lena Tölle</name></author><author><name sortKey="Ziegenhagen, Birgit" sort="Ziegenhagen, Birgit" uniqKey="Ziegenhagen B" first="Birgit" last="Ziegenhagen">Birgit Ziegenhagen</name></author><author><name sortKey="Leyer, Ilona" sort="Leyer, Ilona" uniqKey="Leyer I" first="Ilona" last="Leyer">Ilona Leyer</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2012">2012</date><idno type="RBID">pubmed:23226531</idno><idno type="pmid">23226531</idno><idno type="doi">10.1371/journal.pone.0050652</idno><idno type="pmc">PMC3514240</idno><idno type="wicri:Area/Main/Corpus">002773</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002773</idno><idno type="wicri:Area/Main/Curation">002773</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002773</idno><idno type="wicri:Area/Main/Exploration">002773</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Are vegetative reproduction capacities the cause of widespread invasion of Eurasian Salicaceae in Patagonian river landscapes?</title><author><name sortKey="Thomas, Lisa K" sort="Thomas, Lisa K" uniqKey="Thomas L" first="Lisa K" last="Thomas">Lisa K. 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These invasion processes may affect Salix humboldtiana as the only native floodplain tree species in this region. It is assumed, that the property to reproduce vegetatively can play an important role in the establishment of invasive species in their new range. Thus, in order to contribute to a better understanding of willow and poplar invasions in riparian systems and to assess the potential impacts on S. humboldtiana the vegetative reproduction capacities of native and invasive Salicaceae were analysed. In a greenhouse experiment, we studied cutting survival and growth performance of the three most dominant invasive Salicaceae of the Patagonian Río Negro region (two Salix hybrids and Populus spec.), as well as S. humboldtiana, taking into account three different moisture and two different soil conditions. In a subsequent experiment, the shoot and root biomass of cuttings from the former experiment were removed and the bare cuttings were replanted to test their ability to re-sprout. The two invasive willow hybrids performed much better than S. humboldtiana and Populus spec. under all treatment combinations and tended to re-sprout more successfully after repeated biomass loss. Taking into account the ecology of vegetative and generative recruits of floodplain willows, the results indicate that the more vigorous vegetative reproduction capacity can be a crucial property for the success of invasive willow hybrids in Patagonia being a potential threat for S. humboldtiana.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23226531</PMID><DateCompleted><Year>2013</Year><Month>06</Month><Day>11</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1932-6203</ISSN><JournalIssue CitedMedium="Internet"><Volume>7</Volume><Issue>12</Issue><PubDate><Year>2012</Year></PubDate></JournalIssue><Title>PloS one</Title><ISOAbbreviation>PLoS One</ISOAbbreviation></Journal><ArticleTitle>Are vegetative reproduction capacities the cause of widespread invasion of Eurasian Salicaceae in Patagonian river landscapes?</ArticleTitle><Pagination><MedlinePgn>e50652</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0050652</ELocationID><Abstract><AbstractText>In recent decades, invasive willows and poplars (Salicaceae) have built dense floodplain forests along most of the rivers in Patagonia, Argentina. These invasion processes may affect Salix humboldtiana as the only native floodplain tree species in this region. It is assumed, that the property to reproduce vegetatively can play an important role in the establishment of invasive species in their new range. Thus, in order to contribute to a better understanding of willow and poplar invasions in riparian systems and to assess the potential impacts on S. humboldtiana the vegetative reproduction capacities of native and invasive Salicaceae were analysed. In a greenhouse experiment, we studied cutting survival and growth performance of the three most dominant invasive Salicaceae of the Patagonian Río Negro region (two Salix hybrids and Populus spec.), as well as S. humboldtiana, taking into account three different moisture and two different soil conditions. In a subsequent experiment, the shoot and root biomass of cuttings from the former experiment were removed and the bare cuttings were replanted to test their ability to re-sprout. The two invasive willow hybrids performed much better than S. humboldtiana and Populus spec. under all treatment combinations and tended to re-sprout more successfully after repeated biomass loss. 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