Publikation: Cross-Continental Shifts of Ecological Strategy in a Global Plant Invader
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2025
Autor:innen
Irimia, Ramona E.
Cao, Peipei
Parepa, Madalin
Liao, Zhi‐Yong
Wang, Shengyu
Mounger, Jeannie M.
Li, Bo
Bossdorf, Oliver
Richards, Christina L.
et al.
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Institutionen der Bundesrepublik Deutschland: 306055
National Natural Science Foundation of China: 31961133028
Deutsche Forschungsgemeinschaft (DFG): 431595342
National Natural Science Foundation of China: 31961133028
Deutsche Forschungsgemeinschaft (DFG): 431595342
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Core Facility der Universität Konstanz
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Global Ecology and Biogeography. Wiley. 2025, 34(2), e70001. ISSN 1466-822X. eISSN 1466-8238. Verfügbar unter: doi: 10.1111/geb.70001
Zusammenfassung
Aim Plant invasions are a global problem that requires studying plants and their environmental associations across native and introduced ranges.
Location 2000 km transects in China, Europe and North America.
Time Period June 2019–July 2020.
Major Taxa Studied Japanese knotweed (Reynoutria japonica).
Methods We surveyed 150 populations of Japanese knotweed, a noxious invader of the temperate zone, along 2000 km transects in native China and the introduced ranges of Europe and North America.
Results We found that larger plants and denser populations in the introduced ranges were associated with shifts in leaf economy and chemical defences. Introduced knotweed populations had higher SLA but reduced leaf chlorophyll, lignin, C:N ratio and leaf toughness along with altered leaf tannins, flavonoids and alkaloids. We found three distinct multivariate knotweed phenotypes primarily in the introduced ranges, and two multivariate knotweed phenotypes mainly in native populations.
Main Conclusions Decreased herbivore and pathogen impacts in introduced populations and changes in environmental associations indicate that enemy release and novel habitat conditions might have driven the emergence of novel ecological strategies in this global plant invader.
Zusammenfassung in einer weiteren Sprache
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570 Biowissenschaften, Biologie
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IRIMIA, Ramona E., Weihan ZHAO, Peipei CAO, Madalin PAREPA, Zhi‐Yong LIAO, Shengyu WANG, Jeannie M. MOUNGER, Bo LI, Oliver BOSSDORF, Christina L. RICHARDS, 2025. Cross-Continental Shifts of Ecological Strategy in a Global Plant Invader. In: Global Ecology and Biogeography. Wiley. 2025, 34(2), e70001. ISSN 1466-822X. eISSN 1466-8238. Verfügbar unter: doi: 10.1111/geb.70001BibTex
@article{Irimia2025-02Cross-72417,
title={Cross-Continental Shifts of Ecological Strategy in a Global Plant Invader},
year={2025},
doi={10.1111/geb.70001},
number={2},
volume={34},
issn={1466-822X},
journal={Global Ecology and Biogeography},
author={Irimia, Ramona E. and Zhao, Weihan and Cao, Peipei and Parepa, Madalin and Liao, Zhi‐Yong and Wang, Shengyu and Mounger, Jeannie M. and Li, Bo and Bossdorf, Oliver and Richards, Christina L.},
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<dcterms:abstract>Aim
Plant invasions are a global problem that requires studying plants and their environmental associations across native and introduced ranges.
Location
2000 km transects in China, Europe and North America.
Time Period
June 2019–July 2020.
Major Taxa Studied
Japanese knotweed (Reynoutria japonica).
Methods
We surveyed 150 populations of Japanese knotweed, a noxious invader of the temperate zone, along 2000 km transects in native China and the introduced ranges of Europe and North America.
Results
We found that larger plants and denser populations in the introduced ranges were associated with shifts in leaf economy and chemical defences. Introduced knotweed populations had higher SLA but reduced leaf chlorophyll, lignin, C:N ratio and leaf toughness along with altered leaf tannins, flavonoids and alkaloids. We found three distinct multivariate knotweed phenotypes primarily in the introduced ranges, and two multivariate knotweed phenotypes mainly in native populations.
Main Conclusions
Decreased herbivore and pathogen impacts in introduced populations and changes in environmental associations indicate that enemy release and novel habitat conditions might have driven the emergence of novel ecological strategies in this global plant invader.</dcterms:abstract>
<dc:creator>Li, Bo</dc:creator>
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