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Related Experiment Video

Updated: Feb 26, 2026

Foraging Path-length Protocol for Drosophila melanogaster Larvae

Foraging Path-length Protocol for Drosophila melanogaster Larvae

Published on: April 23, 2016

Does greed help a forager survive?

U Bhat^1,2, S Redner², O Bénichou³

¹Department of Physics, Boston University, Boston, Massachusetts 02215, USA.

Physical Review. E

|July 16, 2017

Summary

This summary is machine-generated.

Greed impacts a forager's lifetime non-monotonically. Surprisingly, a food-averse forager in one dimension lives much longer, highlighting complex foraging behaviors.

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Area of Science:

Theoretical ecology
Statistical physics
Behavioral modeling

Background:

Understanding foraging behavior is crucial for ecological dynamics.
Lattice models are used to simulate agent-based interactions in environments.
The influence of behavioral traits like greed on survival is not fully understood.

Purpose of the Study:

To investigate how greed affects the lifetime of a random-walking forager.
To analyze the forager's behavior on an initially resource-rich lattice.
To explore the impact of greed in one and two-dimensional environments.

Main Methods:

Simulating a forager on a lattice with a defined greed parameter.
Defining foraging rules: food consumption, post-food hops, and starvation timers.
Analyzing forager lifetime as a function of greed in 1D and 2D.

Main Results:

Forager lifetime exhibits non-monotonic variation with greed in both dimensions.
Different patterns of non-monotonicity were observed between one and two dimensions.
A significant peak in forager lifetime was found for highly negative greed (food aversion) in 1D.

Conclusions:

Greed is a critical factor influencing forager survival, with complex, non-linear effects.
The dimensionality of the environment significantly alters the relationship between greed and lifetime.
Food aversion can unexpectedly enhance forager longevity in certain conditions, challenging intuitive assumptions.