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.

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

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2023-2131', Anonymous Referee #1, 12 Dec 2023
    • AC1: 'Reply on RC1', Siqing Wang, 31 Mar 2024
  • RC2: 'Comment on egusphere-2023-2131', Eva Dettweiler-Robinson, 08 Jan 2024
    • AC2: 'Reply on RC2', Siqing Wang, 31 Mar 2024
  • RC3: 'Comment on egusphere-2023-2131', Anonymous Referee #3, 09 Jan 2024
    • AC3: 'Reply on RC3', Siqing Wang, 31 Mar 2024
Siqing Wang, Li Ma, Liping Yang, Yali Ma, Yafeng Zhang, Changming Zhao, and Ning Chen
Siqing Wang, Li Ma, Liping Yang, Yali Ma, Yafeng Zhang, Changming Zhao, and Ning Chen

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Short summary
Biological soil crusts (cover a substantial proportion of dryland ecosystem and play crucial roles in ecological processes. Consequently, studying the spatial distribution of biocrusts holds great significance. This study aimed to stimulate global-scale investigations of biocrusts distribution by introducing three major approaches. Then, we summarized present understandings of biocrusts distribution. Finally, we proposed several potential research topics.