Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

What is Biodiversity?01:19

What is Biodiversity?

34.4K
Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity includes all branches of the evolutionary tree from single-celled prokaryotic organisms, bacteria, and archaea, to the eukaryotic kingdoms: plants; animals; fungi; and protists. To date, there have been about 1.75 million species identified, and new species are discovered every week.
34.4K
Ecological Disturbance02:26

Ecological Disturbance

21.2K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
21.2K
Ecological Succession02:17

Ecological Succession

21.8K
Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
21.8K
Diversity of Protists II01:27

Diversity of Protists II

1.5K
Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
1.5K
Diversity of Protists IV01:27

Diversity of Protists IV

1.4K
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
1.4K
Diversity of Protists III01:27

Diversity of Protists III

1.4K
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
1.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Biological Sex Is Binary and Rooted in Anisogamy.

Ecology letters·2026
Same author

Cascading social-ecological benefits of biodiversity for agriculture.

Current biology : CB·2026
Same author

Minimally invasive pancreatectomy with mesentericoportal venous resection: Results from a French national cohort.

HPB : the official journal of the International Hepato Pancreato Biliary Association·2026
Same author

Trophic cascades drive sustainability in the agricultural heritage rice-fish coculture system.

Current biology : CB·2026
Same author

Not just mutations: inbreeding depression persists without genetic variation.

Evolution letters·2026
Same author

Predicting Best Performers After Minimally Invasive Left Pancreatectomy: Insights From a National Cohort.

Annals of surgery·2026

Related Experiment Video

Updated: Feb 28, 2026

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

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Published on: March 13, 2014

19.5K

Diversity spurs diversification in ecological communities.

Vincent Calcagno1, Philippe Jarne2, Michel Loreau3

  • 1Université Côte d'Azur, CNRS, INRA, ISA, Sophia Antipolis 06900, France.

Nature Communications
|June 10, 2017
PubMed
Summary
This summary is machine-generated.

Ecological diversity can drive further diversification, a process termed diversity-dependent adaptive radiations (DDAR). A minimum number of species is needed for adaptive radiations to begin, impacting biodiversity loss.

More Related Videos

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

2.1K
Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
09:19

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

1.6K

Related Experiment Videos

Last Updated: Feb 28, 2026

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

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Published on: March 13, 2014

19.5K
JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

2.1K
Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
09:19

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

1.6K

Area of Science:

  • Ecology
  • Evolutionary Biology
  • Theoretical Ecology

Background:

  • Ecological diversity is crucial but threatened.
  • The concept of diversity promoting diversification (autocatalysis) is appealing yet debated.
  • Understanding diversity-diversification dynamics is key to conservation.

Purpose of the Study:

  • To investigate how initial species diversity influences evolutionary diversification.
  • To model the relationship between diversity and diversification rates.
  • To explain macroevolutionary and experimental patterns of diversification.

Main Methods:

  • Studied a generalized model of ecological communities.
  • Analyzed intra- and inter-specific ecological interactions.
  • Identified mathematical pathways linking diversity to diversification.

Main Results:

  • Showed that diversity can positively influence diversification.
  • Adaptive radiations may require a threshold number of species to initiate.
  • Identified two pathways: character displacement and diversity-productivity relationship.

Conclusions:

  • The phenomenon of diversity-dependent adaptive radiations (DDAR) is supported by ecological models.
  • Results explain delays in macroevolutionary radiations and microbial diversification.
  • Sheds light on biodiversity dynamics, diversification rates, and biodiversity loss impacts.