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Data set for: Leaf trait association in relation to herbivore defense, drought resistance, and economics in a tropical invasive plant

Citation

Li, Yang-Ping (2022), Data set for: Leaf trait association in relation to herbivore defense, drought resistance, and economics in a tropical invasive plant, Dryad, Dataset, https://doi.org/10.5061/dryad.d51c5b05q

Abstract

Premsie: Exploring how functional traits vary and covary is important to understand plant responses to environmental change. However, we have limited understanding of the ways multiple functional traits vary and covary within invasive species.

Methods: We measured 12 leaf traits of an invasive plant Chromolaena odorata, associated with plant or leaf economics, herbivore defense, and drought resistance on 10 introduced populations from Asia and 12 native populations from America, selected across a broad range of climatic conditions, and grown in a common garden.

Results: Species’ range and climatic conditions influenced leaf traits, but trait variation across climate space differed between the introduced and native ranges. Traits that confer defense against herbivores and drought resistance were associated with economic strategy, but the patterns differed by range. Plants from introduced populations that were at the fast-return end of the spectrum (high photosynthetic capacity) had high physical defense traits (high trichome density), whereas plants from native populations that were at the fast-return end of the spectrum had high drought escape traits (early leaf senescence and high percentage of withered shoots).

Conclusions: Our results indicate that invasive plants can rapidly adapt to novel environmental conditions. C. odorata showed multiple different functional trait covariation patterns and clines in the native and introduced ranges. Our results emphasize that interaction between multiple traits or functions should be considered when investigating the adaptive evolution of invasive plants.

Methods

See details in the paper: Leaf trait association in relation to herbivore defense, drought resistance, and economics in a tropical invasive plant.

Usage Notes

Paper: Leaf trait association in relation to herbivore defense, drought resistance, and economics in a tropical invasive plant.

Authors: Yang-Ping Li, Yu-Long Feng, Wei-Tao Li, Kyle Tomlinson, Zhi-Yong Liao, Yu-Long Zheng, and Jiao-Lin Zhang

Description: This README file describes the data files accompanying the above publication.

Files

1.        Functional trait data file: Includes functional traits (mean) data of Chromolaena odorata from 12 native and 10 introduced populations. Amass, maximum photosynthesis rate per unit mass; Nm, nitrogen content per mass; LMA, leaf mass per area; LDMC, leaf dry mass content; Trichomeupper, trichome density on upper leaf surface; Trichomelower, trichome density on the lower leaf surface.

2.        Climatic data file: Includes climatic data of 22 population sampling sites

3.        Population level structure q-scores data file: Includes data to account for demographic history in patterns of trait divergence in the mixed models, as a random effect.

Funding