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Preprints
https://doi.org/10.5194/egusphere-2023-2131
https://doi.org/10.5194/egusphere-2023-2131
06 Nov 2023
 | 06 Nov 2023

Advancing studies on global biocrusts distribution

Siqing Wang, Li Ma, Liping Yang, Yali Ma, Yafeng Zhang, Changming Zhao, and Ning Chen

Abstract. Biological soil crusts (biocrusts hereafter) cover a substantial proportion of dryland ecosystem and play crucial roles in ecological processes such as biogeochemical cycles, water distribution and soil erosion. Consequently, studying the spatial distribution of biocrusts holds great significance for drylands, which is still lacking, especially in a global scale. This study aimed to stimulate global-scale investigations of biocrusts distribution by introducing three major approaches: spectral characterization indices, dynamic vegetation models, and geospatial models, while discussing their applicability. Then, we summarized present understandings of biocrusts distribution. Finally, to further advance this field, we proposed several potential research topics and aspects, including building standardized database of biocrusts, enhancing non-vascular vegetation dynamic models, integrating multi-sensor monitoring, making full use of machine learning, and focusing on regional research co-development. This work is supposed to significantly contribute to mapping biocrusts distribution, and thereby to advance our understandings of dryland ecosystem management and restoration.

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Journal article(s) based on this preprint

24 Oct 2024
Advancing studies on global biocrust distribution
Siqing Wang, Li Ma, Liping Yang, Yali Ma, Yafeng Zhang, Changming Zhao, and Ning Chen
SOIL, 10, 763–778, https://doi.org/10.5194/soil-10-763-2024,https://doi.org/10.5194/soil-10-763-2024, 2024
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The requested preprint has a corresponding peer-reviewed final revised paper. You are encouraged to refer to the final revised version.

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Biological soil crusts (cover a substantial proportion of dryland ecosystem and play crucial...
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