Spatial and temporal scale-dependent feedbacks govern dynamics of biocrusts in drylands
文献类型：期刊论文
| 作者 | Sun, Jingyao2,3; Yu, Kailiang3,4; Rietkerk, Max5; Chen, Ning6,8; Zhang, Hongxia2; Song, Guang1; Li, Xinrong2,7 |
| 刊名 | PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
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| 出版日期 | 2025-07-29 |
| 卷号 | 122期号:30页码:e2424836122 |
| 关键词 | biocrusts patch size distribution feedback pattern formation cellularautomaton |
| ISSN号 | 0027-8424 |
| DOI | 10.1073/pnas.2424836122 |
| 产权排序 | 2 |
| 文献子类 | Article |
| 英文摘要 | Biota could be ecosystem engineers in generating an intrinsic heterogeneous landscape through scale- dependent feedbacks. Thereby, they can form resource- enriched patchiness or islands of fertility, comprising self- organizing spatial patterns. Research so far has largely focused on the self- organized spatial patterns of plant communities in drylands. It, however, remains unclear whether and how biocrusts having distinct morphology and life history from plant communities could self- organize themselves and form unique spatial patterns. Here, we conducted field observations of biocrusts across successional stages and employed a probabilistic cellular automaton model to investigate the distinct self- organized spatial patterns exhibited by mosaic patches of mosses and lichens with different patch size distributions (PSDs). Our study demonstrates that short- range positive feedbacks initially promote the development of patches, featured with a heavy- tailed PSD, while long- range negative feedbacks subsequently curtail further expansion of big patches, thereby establishing a characteristic patch scale with regular PSDs. Strikingly, only lichens reverted back to the heavy- tailed PSD in the late succession stage, presumably implying self- organized critical fragmentation of lichen patches. Field measurements of biocrust performance at the center and edge of patches of varying sizes along succession stages further support the classic scale- dependent feedback mechanism for Turing pattern formation. Collectively, our results clearly demonstrate the capability of the biocrust communities to self- organize themselves to form distinct spatial patterns governed by the spatial and temporal scale-dependent feedbacks, potentially impacting dryland ecosystem functions and resilience. |
| URL标识 | 查看原文 |
| WOS关键词 | BIOLOGICAL SOIL CRUSTS ; SELF-ORGANIZATION ; FACILITATION ; PATTERNS ; COMPETITION ; COMMUNITY ; DIVERSITY ; MODEL |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:001544028800001 |
| 出版者 | NATL ACAD SCIENCES |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/215659]  |
| 专题 | 生态系统网络观测与模拟院重点实验室_外文论文 |
| 通讯作者 | Yu, Kailiang; Li, Xinrong |
| 作者单位 | 1.Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China; 2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Shapotou Desert Res & Expt Stn, Lanzhou 730000, Peoples R China; 3.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China; 4.Princeton Univ, High Meadows Environm Inst, Princeton, NJ 08544 USA; 5.Univ Utrecht, Copernicus Inst Sustainable Dev, Dept Environm Sci, NL-3508TC Utrecht, Netherlands; 6.Lanzhou Univ, Coll Ecol, State Key Lab Herbage Improvement & Grassland Agro, Lanzhou 730000, Gansu, Peoples R China; 7.Northwest Agr & Forest Univ, State Key Lab Soil Water Conservat & Desertificat, Xianyang 712100, Peoples R China 8.Lanzhou Univ, Yuzhong Mt Ecosyst Observat & Res Stn, Lanzhou 730000, Gansu, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Sun, Jingyao,Yu, Kailiang,Rietkerk, Max,et al. Spatial and temporal scale-dependent feedbacks govern dynamics of biocrusts in drylands[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2025,122(30):e2424836122. |
| APA | Sun, Jingyao.,Yu, Kailiang.,Rietkerk, Max.,Chen, Ning.,Zhang, Hongxia.,...&Li, Xinrong.(2025).Spatial and temporal scale-dependent feedbacks govern dynamics of biocrusts in drylands.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,122(30),e2424836122. |
| MLA | Sun, Jingyao,et al."Spatial and temporal scale-dependent feedbacks govern dynamics of biocrusts in drylands".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 122.30(2025):e2424836122. |
入库方式： OAI收割
来源：地理科学与资源研究所
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