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Related Concept Videos

What are Populations and Communities?00:30

What are Populations and Communities?

Populations are groups of individuals of the same species that inhabit a shared environment. Communities include multiple co-existing, interacting populations of different species. Metapopulations span multiple populations of the same species that occupy different areas. Metapopulations interact through immigration and emigration, providing genetic diversity that lends resilience to harsh environments. Population size and density can be estimated using quadrat and mark and recapture...
Community Based Intervention01:30

Community Based Intervention

Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
Microbial Interactions: Competition01:26

Microbial Interactions: Competition

Microbial competition is an ecological interaction in which microorganisms vie for limited resources within shared environments. These resources may include nutrients, space, or light, depending on the system. The intensity and outcome of competition are influenced by the environmental context, such as nutrient availability, spatial constraints, and the diversity of microbial species present. These competitive interactions significantly influence the structure, function, and resilience of...

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Related Experiment Video

Updated: Jun 20, 2026

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity
08:16

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Published on: March 13, 2014

Community monopolization: local adaptation enhances priority effects in an evolving metacommunity.

Mark C Urban1, Luc De Meester

  • 1Department of Ecology and Evolutionary Biology, University of Connecticut, 75 North Eagleville Road, Unit 3043, Storrs, CT 06269, USA. mark.urban@uconn.edu

Proceedings. Biological Sciences
|September 11, 2009
PubMed
Summary

Early species colonization can lead to priority effects, where descendants adapt locally and block new species. This evolutionary process impacts community diversity and species distribution dynamics.

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Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
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Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

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Last Updated: Jun 20, 2026

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity
08:16

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Published on: March 13, 2014

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
07:40

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

Area of Science:

  • Ecology
  • Evolutionary Biology

Background:

  • Community diversity is influenced by colonization history, particularly priority effects where early arrivals exclude later ones.
  • Priority effects often result from early colonists efficiently utilizing and withholding resources from invaders.

Purpose of the Study:

  • To investigate the role of rapid local adaptive evolution in the prevalence of ecological priority effects.
  • To model how adaptive capacity and colonization timing influence community dynamics and species interactions.

Main Methods:

  • Utilized an individual-based simulation model.
  • Simulated colonization events and subsequent local adaptation in competing species.

Main Results:

  • Early colonists' descendants adapt to local conditions, reducing the establishment success of ecologically similar competitors.
  • Demonstrated that minor differences in colonization timing and adaptive potential significantly alter community structure and diversity.
  • Showed that priority effects combined with gene flow can drive species distribution changes in metacommunities.

Conclusions:

  • Local adaptation and stochastic colonization can decouple species distributions from environmental gradients.
  • Evolutionary priority effects are a significant factor influencing the structure and dynamics of natural metacommunities.
  • Highlights the importance of rapid microgeographic evolution in ecological dynamics.