Appendices

Appendix A: Photographs of feeding fronts of Oreaster reticulatus and Strongylocentrotus droebachiensis.
Ecological Archives E089-182-A1.

Appendix B: Details of the von Mises distribution of turning angles for Oreaster reticulatus.
Ecological Archives E089-182-A2.

Appendix C: Initial conditions of Model 1 (for Oreaster reticulatus) and Model 2 (for Strongylocentrotus droebachiensis).
Ecological Archives E089-182-A3.

Appendix D: Simulations of Model 1 (for Oreaster reticulatus) and Model 2 (for Strongylocentrotus droebachiensis) with different gradients in food distribution.
Ecological Archives E089-182-A4.

Appendix E: Details of the procedures used in uncertainty and elasticity analyses.
Ecological Archives E089-182-A5.

Appendix F: Fit of the Gaussian distribution to daily displacement distance measured for Strongylocentrotus droebachiensis.
Ecological Archives E089-182-A6.

Appendix G: List of parameter values used in Model 2 for sea urchins Strongylocentrotus droebachiensis.
Ecological Archives E089-182-A7.

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