Impact of climate change on the geographical distribution and niche dynamics of Gastrodia elata

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Ecology

Main article text

 

Introduction

Methods

Data on species distribution

Filtering of environmental factors

Model establishment and optimization

Validating model reliability and classification of suitable areas

Spatial variation of highly suitable areas and shifts in distribution centers

Calculating climatic niche characteristics

Results

Model accuracy

Environmental factors influencing the distribution of G. elata

The potential distribution of G. elata at present

Changes in the distribution of potential and highly suitable areas for G. elata under future climatic conditions

Shifts in the center of mass of highly suitable areas

Change of climatic niche for G. elata

Discussion

Accuracy of species distribution models

Effects of environmental factors on the distribution of G. elata

Effects of climate change on the distribution of G. elata

Effects of climate change on niche of G. elata

Conservation of wild resources

Conclusions

Supplemental Information

Reliable test of the distribution model created for Gastrodia elata.

DOI: 10.7717/peerj.15741/supp-1

Jackknife test for evaluating the relative importance of environmental variables for Gastrodia elata

DOI: 10.7717/peerj.15741/supp-2

Response curves showing the important environmental factors affecting the distribution of Gastrodia elata.

DOI: 10.7717/peerj.15741/supp-3

Correlation and principal component contribution of each factor involved in PCA-env analysis

DOI: 10.7717/peerj.15741/supp-4

Data points information on the distribution of Gastrodia elata

DOI: 10.7717/peerj.15741/supp-5

Changes of habitats of high suitability for Gastrodia elata in different periods

DOI: 10.7717/peerj.15741/supp-6

The centroid of highly suitable regions under different climate scenario

DOI: 10.7717/peerj.15741/supp-7

Niche comparisons and variation in principle components PC1 and PC2 between current and future projected distribution range of G. elata.

DOI: 10.7717/peerj.15741/supp-8

Additional Information and Declarations

Competing Interests

The authors declare there are no competing interests. Yehong Wang is employed by Wufeng Tujia Autonomous County Agricultural Science and Technology Demonstration Center. Tao Tan is employed by Wufeng Tujia Autonomous County Herbal Medicine Development Center.

Author Contributions

Juan Hu conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, and approved the final draft.

Ying Feng performed the experiments, prepared figures and/or tables, and approved the final draft.

Haotian Zhong analyzed the data, prepared figures and/or tables, and approved the final draft.

Wei Liu analyzed the data, prepared figures and/or tables, and approved the final draft.

Xufang Tian analyzed the data, prepared figures and/or tables, and approved the final draft.

Yehong Wang performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Tao Tan performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Zhigang Hu conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Yifei Liu conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Data Availability

The following information was supplied regarding data availability:

The raw measurements are available in the Supplemental Files.

Third party data was available at the following: CVH (http://www.cvh.ac.cn); GBIF (http://www.gbif.org); SRSPE (http://mnh.scu.edu.cn); PPBC (http://ppbc.iplant.cn); WorldClim (http://www.worldclim.org/).

Funding

This work was supported by the Funds for Key Program for Traditional Chinese Medicine of Hubei University of Chinese medicine (grant number 2022ZZXZ002). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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