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Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

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Published on: March 9, 2021

Microclimate-based macrophysiology: implications for insects in a warming world.

Grant A Duffy¹, Bernard Wt Coetzee¹, Charlene Janion-Scheepers¹

¹School of Biological Sciences, Monash University, Clayton, Victoria 3800, Australia.

Current Opinion in Insect Science

|March 14, 2017

Summary

Global warming will exceed insect thermal limits across Australia due to soil microclimate changes. Deeper, cooler microclimates offer refuge, highlighting the importance of behavioral adaptation and movement for insect survival.

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Area of Science:

Ecology
Climate Change Biology
Insect Physiology

Background:

Investigating microclimate influence is crucial for understanding global change risks to insects.
Macrophysiological forecasts predict significant impacts of warming on insect populations.
Microclimate variation and insect behavioral responses may affect risk estimates.

Purpose of the Study:

To review recent advances in microclimate research concerning insect global change risks.
To illustrate how microclimate variation can impact macrophysiological forecasts.
To assess the projected impact of climate change on Australian insect thermal tolerance.

Main Methods:

Review of recent scientific literature on microclimates and insect responses to warming.
Utilizing modeled microclimatic data for Australia.
Analysis of projected soil microclimate warming in relation to insect thermal tolerance limits.

Main Results:

Soil microclimates across Australia are projected to warm in sync with global climate change.
Upper thermal tolerance limits for many insects will likely be exceeded in many continental areas.
Deeper soil microclimates are predicted to remain cooler and more hospitable.

Conclusions:

Microclimate dynamics significantly influence insect vulnerability to climate change.
Behavioral adaptation and movement between microclimates are critical strategies for insect survival.
Accurate risk assessments must incorporate fine-scale microclimatic variations and insect responses.