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Related Concept Videos

Symbiosis00:58

Symbiosis

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Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
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Predator-Prey Interactions02:39

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Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
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Ecological Disturbance02:26

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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.
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Ecological Niches02:02

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All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
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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...
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Competition

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When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
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Related Experiment Video

Updated: Mar 15, 2026

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

Pedro Jordano1

  • 1Integrative Ecology Group, Estación Biológica de Doñana, EBD-CSIC, Av. Americo Vespucio s/n, s/n, E-41092 Sevilla, Spain.

Plos Biology
|September 16, 2016
PubMed
Summary
This summary is machine-generated.

Biodiversity research must expand beyond cataloging species to understanding ecological interactions and their functions. This approach is crucial for addressing species extinction and preserving Earth's life support systems.

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Area of Science:

  • Ecology
  • Evolutionary Biology
  • Conservation Biology

Background:

  • Traditional biodiversity research focuses on cataloging species, their distributions, and evolutionary relationships.
  • Biodiversity encompasses biological entities and processes crucial for life on Earth, extending beyond individual species.
  • Ecological functions and interactions can be lost before species extinction, impacting ecosystem stability.

Purpose of the Study:

  • To highlight the importance of studying species interactions and their functional roles in biodiversity.
  • To address the challenges in assessing the functional aspects of ecological interactions.
  • To explore how basic research can aid in mitigating rapid species extinction driven by human activities.

Main Methods:

  • Review of current biodiversity research paradigms.
  • Analysis of the concept of ecological functions and their loss.
  • Discussion of challenges in studying species interactions.

Main Results:

  • Biodiversity is a complex system of interacting species and processes, not just a species list.
  • Ecological functions are vulnerable and can disappear independently of species extinction.
  • Basic research faces challenges in quantifying and understanding species interactions and their functional significance.

Conclusions:

  • A shift in biodiversity research is needed to include the study of ecological interactions and functions.
  • Understanding these interactions is vital for effective conservation and addressing the biodiversity crisis.
  • Basic ecological research is essential for developing strategies to combat human-induced species extinction.