Coupling strength between omnivory loops and their one-species-delete subloops drives food web stability Article Swipe
Shengpeng Li
,
Xiaoxiao Li
,
Yueming Jiang
,
Ruyue Wang
,
Xianhao Meng
,
Wei Yang
,
Tao Sun
,
Peter de Ruiter
,
Yongtang Shi
,
Jianfeng Feng
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.22541/au.170668279.93555006/v1
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.22541/au.170668279.93555006/v1
A central and fundamental issue in ecology is to understand the relationship between complexity and stability. Increased empirical evidences demonstrated no clear relationships between complexity metrics and stability, and recent food web loop analyses suggested that maximum loop weight as well as the summation ratio between 3 and 2-link feedback loop weights could be better estimators of system stability. However, the importance of longer loops than 3-link on the stability remains unclear. Here we use 127 marine food webs and the matrix product and trace method to investigate the relationship between loops with maximum of 7 links and food web stability. We found that feedback metrics |a2n+1/a2n|α, i.e., the ratio of the sums of (2n + 1)-link and 2n-link loop weights, are strongly related with stability. These sum weight ratios can be regarded as the coupling strength between omnivory loops and their one-species-delete subloops, including the smallest three species and high-level omnivory ones. Further theoretical simulations of bioenergetic consumer-resource models with allometric constraints strengthen this finding. These results suggest that both longer loops and omnivory are important drivers of the food web stability.
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- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.22541/au.170668279.93555006/v1
- https://www.authorea.com/doi/pdf/10.22541/au.170668279.93555006
- OA Status
- gold
- References
- 42
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4391392347
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- OpenAlex ID
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https://openalex.org/W4391392347Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.22541/au.170668279.93555006/v1Digital Object Identifier
- Title
-
Coupling strength between omnivory loops and their one-species-delete subloops drives food web stabilityWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-01-31Full publication date if available
- Authors
-
Shengpeng Li, Xiaoxiao Li, Yueming Jiang, Ruyue Wang, Xianhao Meng, Wei Yang, Tao Sun, Peter de Ruiter, Yongtang Shi, Jianfeng FengList of authors in order
- Landing page
-
https://doi.org/10.22541/au.170668279.93555006/v1Publisher landing page
- PDF URL
-
https://www.authorea.com/doi/pdf/10.22541/au.170668279.93555006Direct link to full text PDF
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.authorea.com/doi/pdf/10.22541/au.170668279.93555006Direct OA link when available
- Concepts
-
Food web, Stability (learning theory), Coupling (piping), Ecology, Loop (graph theory), Control theory (sociology), Computer science, Biology, Biological system, Mathematics, Combinatorics, Engineering, Artificial intelligence, Ecosystem, Control (management), Mechanical engineering, Machine learningTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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42Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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