The evolution of habitat construction with and without phenotypic plasticity

Area of Science:

• Ecology
• Evolutionary Biology
• Behavioral Ecology

Background:

• Organisms face variable environments, necessitating adaptive strategies.
• Habitat construction and phenotypic plasticity are key responses to environmental change.
• Understanding the interplay between these strategies is crucial for evolutionary insights.

Purpose of the Study:

• To investigate the evolutionary dynamics of habitat construction versus phenotypic plasticity.
• To determine how environmental gradients and fitness benefits influence the selection of these adaptive responses.
• To explore the conditions under which habitat construction is favored or selected against.

Main Methods:

• Individual-based simulations were employed to model evolutionary processes.
• Environmental gradients were simulated, manipulating habitat construction benefits.
• The interaction between habitat construction and phenotypic plasticity was analyzed.

Main Results:

• Habitat construction was favored when its benefits primarily aided the constructor's immediate offspring.
• Habitat construction and phenotypic plasticity exhibited trade-offs, with plasticity sometimes being selected against.
• Increased fitness benefits for construction led to greater genetic differentiation in construction behavior.

Conclusions:

• Adaptive habitat construction is not guaranteed and can be evolutionarily disadvantageous.
• The relative success of habitat construction and plasticity depends on environmental variability and life history.
• Evolutionary outcomes are sensitive to the timing of life history events and fitness consequences.