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Related Experiment Video

Updated: Apr 17, 2026

Simulating Temperature in a Soil Incubation Experiment

Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

Rising temperature non-additively alters how different dimensions of biodiversity affect ecosystem-scale processes.

Sean Pierce Richards¹, Maximilian H K Hesselbarth^1,2, Jacob Edward Allgeier¹

¹Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, USA.

The Journal of Animal Ecology

|April 16, 2026

Summary

Biodiversity

Keywords:

artificial reef behaviour biodiversity ecosystem function global change individual‐based modelling physiology

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Area of Science:

Marine Ecology
Ecosystem Dynamics
Climate Change Biology

Background:

Predicting how biodiversity influences ecosystem functions is crucial.
Global change drivers like rising temperatures can disrupt these relationships.
Organismal metabolism is affected by temperature, interacting with biodiversity.

Purpose of the Study:

To model how fish physiology, foraging behavior, and temperature affect primary production via nutrient excretion.
To disentangle independent and interactive effects of biodiversity dimensions and temperature.
To assess if nutrient supply alone predicts ecosystem primary production.

Main Methods:

Utilized an individual-based model of a seagrass-patch reef ecosystem.
Quantified effects of species-level physiological traits and foraging behaviors of two reef fish.
Incorporated increasing water temperatures as a key environmental driver.

Main Results:

At ambient temperatures, physiology had a stronger effect on primary production than behavior.
Increased temperature initially boosted primary production but caused a sharp decline past a threshold.
Temperature strongly interacted with physiology, but weakly with behavior, affecting primary production.

Conclusions:

Species-level physiology is critical for regulating ecosystem processes.
Rising temperatures will unpredictably alter biodiversity-ecosystem process relationships.
Quantifying only nutrient supply is insufficient for predicting ecosystem-scale primary production.