Behavioral self-organization underlies the resilience of a coastal ecosystemde Paoli, H., van der Heide, T., van den Berg, A., Silliman, B. R., Herman, P. M. J. & van de Koppel, J., 25-Jul-2017, In : Proceedings of the National Academy of Sciences of the United States of America. 114, 30, p. 8035-8040 6 p.
Research output: Contribution to journal › Article › Academic › peer-review
Self-organized spatial patterns occur in many terrestrial, aquatic, and marine ecosystems. Theoretical models and observational studies suggest self-organization, the formation of patterns due to ecological interactions, is critical for enhanced ecosystem resilience. However, experimental tests of this cross-ecosystem theory are lacking. In this study, we experimentally test the hypothesis that self-organized pattern formation improves the persistence of mussel beds (Mytilus edulis) on intertidal flats. In natural beds, mussels generate self-organized patterns at two different spatial scales: regularly spaced clusters of mussels at centimeter scale driven by behavioral aggregation and large-scale, regularly spaced bands at meter scale driven by ecological feedback mechanisms. To test for the relative importance of these two spatial scales of self-organization on mussel bed persistence, we conducted field manipulations in which we factorially constructed small-scale and/or large-scale patterns. Our results revealed that both forms of self-organization enhanced the persistence of the constructed mussel beds in comparison to nonorganized beds. Small-scale, behaviorally driven cluster patterns were found to be crucial for persistence, and thus resistance to wave disturbance, whereas large-scale, self-organized patterns facilitated reformation of small-scale patterns if mussels were dislodged. This study provides experimental evidence that self-organization can be paramount to enhancing ecosystem persistence. We conclude that ecosystems with self-organized spatial patterns are likely to benefit greatly from conservation and restoration actions that use the emergent effects of self-organization to increase ecosystem resistance to disturbance.
|Number of pages||6|
|Journal||Proceedings of the National Academy of Sciences of the United States of America|
|Publication status||Published - 25-Jul-2017|
- self-organization, resilience, multiscale patterns, ecosystems, mussels, MUSSEL BED ECOSYSTEMS, EXPOSED ROCKY SHORE, WADDEN-SEA, VEGETATION PATTERNS, POPULATION-DYNAMICS, ECOLOGICAL-SYSTEMS, SPATIAL-PATTERNS, ARID ECOSYSTEMS, RESTORATION, SCALE