Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native species
Many studies have attempted to test whether certain leaf traits are associated with invasive plants, resulting in discrepant conclusions that may be due to species-specificity. However, no effort has been made to test for effects of species identity on invasive-native comparisons. Here, we compared...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Pensoft Publishers
2022-01-01
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| Series: | NeoBiota |
| Online Access: | https://neobiota.pensoft.net/article/71385/download/pdf/ |
| _version_ | 1818753392216899584 |
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| author | Ming-Chao Liu Ting-Fa Dong Wei-Wei Feng Bo Qu De-Liang Kong Mark van Kleunen Yu-Long Feng |
| author_facet | Ming-Chao Liu Ting-Fa Dong Wei-Wei Feng Bo Qu De-Liang Kong Mark van Kleunen Yu-Long Feng |
| author_sort | Ming-Chao Liu |
| collection | DOAJ |
| description | Many studies have attempted to test whether certain leaf traits are associated with invasive plants, resulting in discrepant conclusions that may be due to species-specificity. However, no effort has been made to test for effects of species identity on invasive-native comparisons. Here, we compared 20 leaf traits between 97 pairs of invasive and native plant species in seven disturbed sites along a southwest-to-northeast transect in China using phylogenetically controlled within-study meta-analyses. The invasive relative to the native species on average had significantly higher leaf nutrients concentrations, photosynthetic rates, photosynthetic nutrients- and energy-use efficiencies, leaf litter decomposition rates, and lower payback time and carbon-to-nitrogen ratios. However, these differences disappeared when comparing weakly invasive species with co-occurring natives and when comparing invasives with co-occurring widespread dominant natives. Furthermore, the magnitudes of the differences in some traits decreased or even reversed when a random subset of strongly to moderately invasive species was excluded from the species pool. Removing rare to common natives produced the same effect, while exclusion of weakly to moderately invasives and dominant to common natives enhanced the differences. Our study indicates that the results of invasive-native comparisons are species-specific, providing a possible explanation for discrepant results in previous studies, such that we may be unable to detect general patterns regarding traits promoting exotic plant invasions through multi-species comparisons. |
| first_indexed | 2024-12-18T05:06:38Z |
| format | Article |
| id | doaj.art-62d42fcece214738a66a0e2533ae7f74 |
| institution | Directory Open Access Journal |
| issn | 1314-2488 |
| language | English |
| last_indexed | 2024-12-18T05:06:38Z |
| publishDate | 2022-01-01 |
| publisher | Pensoft Publishers |
| record_format | Article |
| series | NeoBiota |
| spelling | doaj.art-62d42fcece214738a66a0e2533ae7f742022-12-21T21:20:00ZengPensoft PublishersNeoBiota1314-24882022-01-017112210.3897/neobiota.71.7138571385Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native speciesMing-Chao Liu0Ting-Fa Dong1Wei-Wei Feng2Bo Qu3De-Liang Kong4Mark van Kleunen5Yu-Long Feng6Shenyang Agricultural UniversityChina West Normal UniversityShenyang Agricultural UniversityShenyang Agricultural UniversityShenyang Agricultural UniversityUniversity of KonstanzShenyang Agricultural UniversityMany studies have attempted to test whether certain leaf traits are associated with invasive plants, resulting in discrepant conclusions that may be due to species-specificity. However, no effort has been made to test for effects of species identity on invasive-native comparisons. Here, we compared 20 leaf traits between 97 pairs of invasive and native plant species in seven disturbed sites along a southwest-to-northeast transect in China using phylogenetically controlled within-study meta-analyses. The invasive relative to the native species on average had significantly higher leaf nutrients concentrations, photosynthetic rates, photosynthetic nutrients- and energy-use efficiencies, leaf litter decomposition rates, and lower payback time and carbon-to-nitrogen ratios. However, these differences disappeared when comparing weakly invasive species with co-occurring natives and when comparing invasives with co-occurring widespread dominant natives. Furthermore, the magnitudes of the differences in some traits decreased or even reversed when a random subset of strongly to moderately invasive species was excluded from the species pool. Removing rare to common natives produced the same effect, while exclusion of weakly to moderately invasives and dominant to common natives enhanced the differences. Our study indicates that the results of invasive-native comparisons are species-specific, providing a possible explanation for discrepant results in previous studies, such that we may be unable to detect general patterns regarding traits promoting exotic plant invasions through multi-species comparisons.https://neobiota.pensoft.net/article/71385/download/pdf/ |
| spellingShingle | Ming-Chao Liu Ting-Fa Dong Wei-Wei Feng Bo Qu De-Liang Kong Mark van Kleunen Yu-Long Feng Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native species NeoBiota |
| title | Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native species |
| title_full | Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native species |
| title_fullStr | Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native species |
| title_full_unstemmed | Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native species |
| title_short | Leaf trait differences between 97 pairs of invasive and native plants across China: effects of identities of both the invasive and native species |
| title_sort | leaf trait differences between 97 pairs of invasive and native plants across china effects of identities of both the invasive and native species |
| url | https://neobiota.pensoft.net/article/71385/download/pdf/ |
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