Advancing studies on global biocrust distribution

IF 5.8 2区农林科学 Q1 SOIL SCIENCE

Soil Pub Date : 2024-10-24 DOI:10.5194/soil-10-763-2024

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

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引用次数: 0

Abstract

Abstract. Biological soil crusts (biocrusts hereafter) cover a substantial proportion of the 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, especially on a global scale, but it remains limited. This study aimed to simulate global-scale investigations of biocrust distribution by introducing three major approaches, namely spectral characterization indices, dynamic vegetation models, and geospatial models, while discussing their applicability. We then summarized the present understanding of the factors influencing biocrust distribution. Finally, to further advance this field, we proposed several potential research topics and directions, including the development of a standardized biocrust database, enhancement of non-vascular vegetation dynamic models, integration of multi-sensor monitoring, extensive use of machine learning, and a focus on regional research co-development. This work will significantly contribute to mapping the biocrust distribution and thereby advance our understanding of dryland ecosystem management and restoration.

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推进全球生物寄生分布研究

摘要生物土壤结壳（以下简称生物结壳）覆盖了旱地生态系统的很大一部分，在生物地球化学循环、水分分布和土壤侵蚀等生态过程中发挥着至关重要的作用。因此，研究生物地壳的空间分布对旱地，尤其是全球范围内的旱地具有重要意义，但研究仍然有限。本研究旨在通过介绍光谱特征指数、动态植被模型和地理空间模型这三种主要方法，模拟全球尺度的生物簇分布调查，同时讨论它们的适用性。然后，我们总结了目前对生物簇分布影响因素的理解。最后，为了进一步推动这一领域的研究，我们提出了几个潜在的研究课题和方向，包括开发标准化的生物簇数据库、加强非维管束植被动态模型、整合多传感器监测、广泛使用机器学习以及关注区域研究的共同发展。这项工作将大大有助于绘制生物簇分布图，从而推进我们对旱地生态系统管理和恢复的理解。

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来源期刊

Soil Agricultural and Biological Sciences-Soil Science

CiteScore

10.80

自引率

2.90%

发文量

审稿时长

30 weeks

期刊介绍： SOIL is an international scientific journal dedicated to the publication and discussion of high-quality research in the field of soil system sciences. SOIL is at the interface between the atmosphere, lithosphere, hydrosphere, and biosphere. SOIL publishes scientific research that contributes to understanding the soil system and its interaction with humans and the entire Earth system. The scope of the journal includes all topics that fall within the study of soil science as a discipline, with an emphasis on studies that integrate soil science with other sciences (hydrology, agronomy, socio-economics, health sciences, atmospheric sciences, etc.).