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Related Concept Videos

Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
Global Climate Change01:50

Global Climate Change

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
What is Climate?01:16

What is Climate?

Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
Factors Influencing Microbial Growth: Temperature01:27

Factors Influencing Microbial Growth: Temperature

Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
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Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.

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Related Experiment Video

Updated: May 11, 2026

Simulating Temperature in a Soil Incubation Experiment
08:39

Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

Microclimatic challenges in global change biology.

Kristen A Potter1, H Arthur Woods, Sylvain Pincebourde

  • 1Division of Biological Sciences, University of Montana, Missoula, MT, 59812, USA; School of Forestry, Northern Arizona University, Flagstaff, AZ, 86011, USA.

Global Change Biology
|May 18, 2013
PubMed
Summary

Species distribution models use climate data at scales far larger than the organisms studied, hindering accurate climate change impact predictions. Addressing this spatial mismatch is crucial for effective conservation biology and policy.

Keywords:
body sizeclimate changedownscalingfractalsgrid sizemaxentrefugiaspatial resolutionspecies distribution modelstemperature

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Published on: October 28, 2022

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07:54

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Published on: March 9, 2021

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Temperature Response of Soil Organic Matter Decomposition Rates: Construction and Applications of a Temperature Gradient Block

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Area of Science:

  • Ecology
  • Climate Change Biology
  • Biogeography

Background:

  • Decades of climate change biology research have not resolved uncertainties in species distribution responses to altered climates.
  • A key limitation is the spatial scale mismatch between organism size and climate data resolution in species distribution models.
  • Current models often use grid sizes thousands of times larger than the organisms they represent, overlooking microclimate variations.

Purpose of the Study:

  • To quantify the spatial scale mismatch in species distribution modeling.
  • To highlight the implications of this mismatch for understanding species' responses to climate change.
  • To advocate for research and interdisciplinary collaboration to bridge the spatial gap in climate change impact assessments.

Main Methods:

  • Meta-analysis of published literature on species distribution modeling.
  • Comparison of organismal body size with the spatial resolution of climate data used in models.
  • Analysis of bias in organismal size selection for modeling studies.

Main Results:

  • Grid lengths in species distribution models are, on average, approximately 10,000-fold larger than the animals studied and 1,000-fold larger than the plants studied.
  • The spatial mismatch is exacerbated by a focus on larger-bodied organisms in research.
  • Organisms experience climate at microclimates, which can differ significantly from macroclimates.

Conclusions:

  • Bridging the spatial gap between organismal biology and climate data is a high research priority.
  • Future research requires finer-scale climate data, improved downscaling methods for microclimates, and enhanced statistical understanding of fine-scale variation.
  • Interdisciplinary collaborations are essential for generating scientifically grounded data for conservation and policy.