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Application of the Worldwide Bioclimatic Classification System to determine bioclimatic features and potential natural vegetation distribution in Van Chan district, Vietnam

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Abstract

Bioclimatic classification is an effective approach to reflect and investigate the role of climate in determining the potential natural vegetation distribution at different temporal and spatial scales. Especially, the diversity of physical features in tropical mountainous regions causes the complexity of phytogeographical belts at large scales. A set of parameters and indices of the Worldwide Bioclimatic Classification System (WBCS) was used to generate a bioclimatic map at a scale of 1:100,000 of the territory of Van Chan district, Vietnam. In this study, due to the lack of observed data, GIS analysis of precipitation and temperature data was conducted by using a simple downscaling method for “WorldClim” resource (1 km spatial resolution) and statistical data of two meteorological stations in 1961–2013 was used for bioclimatic map validation. The resulting map presents 11 isobioclimatic units, which are advantageous for confirming the diagnosis of the bioclimatic features and describing the relationships between climatic variables and the corresponding distributions of natural vegetation. This approach is useful to explain the territorial diversity in environmental applications for the assessment of ecological adaptation, nature conservation, landscape regionalization, and planning.

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Availability of data and material

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors wish to thank the community members in Vietnam National University, Hanoi; Vietnam Academy of Science and Technology; and Tay Bac University (Vietnam).

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Authors and Affiliations

Authors

Contributions

Project Administration: TMP HCN, Conceptualization: TMP VKN, Formal Analysis: TMP HHP, Methodology: TMP NTN, Resources: TMP VKN, Validation: GTHD HTD, Visualization: NTN HTD, Writing – Original Draft Preparation: TMP GTHD, Writing – Review & Editing: TAP TMP GTHD Funding Acquisition: TAP.

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Correspondence to Tam Minh Pham.

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Not applicable, because this article does not contain any studies with human or animal subjects.

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Verbal informed consent was obtained from all subjects before the study.

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Pham, T.M., Nguyen, H.C., Nguyen, V.K. et al. Application of the Worldwide Bioclimatic Classification System to determine bioclimatic features and potential natural vegetation distribution in Van Chan district, Vietnam. Trop Ecol 64, 765–780 (2023). https://doi.org/10.1007/s42965-023-00300-1

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  • DOI: https://doi.org/10.1007/s42965-023-00300-1

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