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Recovery after mass extinction: evolutionary assembly in large-scale biosphere dynamics
Ricard V Solé1, José M Montoya, Douglas H Erwin
1Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501, USA. sole@santafe.edu
Summary
Ecological recoveries after mass extinctions resemble ecological succession but include unique niche construction. This study presents a model comparing recovery patterns to ecological responses in ecosystems.
Area of Science:
- Paleontology
- Ecology
- Evolutionary Biology
Background:
- Biotic recoveries post-mass extinction involve reconstructing ecosystems from low-diversity states.
- These recoveries offer insights into ecosystem dynamics, mirroring ecological succession but with distinct niche construction patterns.
Purpose of the Study:
- To analyze similarities and differences between ecological succession and evolutionary recovery.
- To propose a preliminary ecological theory of recoveries.
- To compare a novel evolutionary model with existing ecological models.
Main Methods:
- Analysis of similarities and differences between ecological succession and evolutionary recovery.
- Development of a simple three-trophic-level evolutionary model.
- Comparison of the model's properties with fossil record observations and continuous ecosystem models.
Main Results:
- The evolutionary model's properties closely resemble patterns observed in the fossil record.
- Key differences between ecological succession and evolutionary recovery were identified, linked to niche construction.
- The study provides a framework for understanding ecosystem recovery dynamics.
Conclusions:
- Evolutionary recovery processes, while sharing traits with ecological succession, exhibit unique niche construction dynamics.
- The presented model offers a valuable tool for studying ecosystem resilience and recovery.
- Further research into recovery theories can enhance our understanding of long-term ecological dynamics.