Resource waves: phenological diversity enhances foraging opportunities for mobile consumers

Area of Science:

• Ecology
• Animal Behavior
• Conservation Biology

Background:

• Resource phenology significantly impacts foraging opportunities and trophic interactions.
• Existing research often focuses on short-term trophic mismatches or predator swamping.
• Consumers frequently integrate across landscape phenological variations to track ephemeral food sources.

Purpose of the Study:

• To introduce a conceptual framework for studying phenological diversity and resource waves.
• To define resource waves and review their ecological significance.
• To challenge the assumption that species abundance solely mediates trophic interaction strength.

Main Methods:

• Literature review of case studies on resource waves.
• Development and application of a simulation model to demonstrate ecological significance.
• Analysis of consumer exploitation of resource waves across diverse taxa.

Main Results:

• Consumers, from insects to large mammals, exploit resource waves by integrating phenological diversity.
• Resource waves extend the availability of food resources beyond individual component parts.
• Phenological diversity often proved more critical for consumer energy acquisition than resource abundance.

Conclusions:

• Resource waves are a significant ecological phenomenon driven by consumer-resource interactions.
• Phenological diversity plays a crucial role in consumer foraging success and energy gain.
• Findings offer new avenues for ecosystem-based management and conservation strategies.