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Related Concept Videos

Ecological Niches02:02

Ecological Niches

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.Multiple species cannot occupy the exact same niche within their habitat. If the niches of two or more species overlap to a large extent, the competitive exclusion principle dictates that one species will outcompete the other, forcing it to...
Ecological Niche01:12

Ecological Niche

Microorganisms occupy diverse habitats and perform essential ecological functions that are defined by their ecological niches. A microbial niche encompasses the organism’s mode of survival, including resource acquisition, reproduction, and interactions with other species in its environment. This concept is vital for understanding microbial community dynamics, biogeography, and ecosystem functionality.The fundamental niche of a microorganism includes the full spectrum of environmental...
Ecological Disturbance02:26

Ecological Disturbance

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.Ecological disturbances can be caused by an event as small as the trampling of underbrush to an incident as wide-ranging as a forest...
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Threats to Biodiversity

There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
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Freshwater Microbial Ecology

Freshwater systems such as streams, rivers, and lakes exhibit distinct physical and biological characteristics that influence their microbial communities. These environments are broadly categorized into lotic systems—those with flowing waters like streams and most rivers—and lentic systems, which include still or slow-moving waters such as lakes, ponds, and marshes.In lentic systems, phytoplankton drive primary production, generating autochthonous organic carbon. In contrast, lotic systems...
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Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
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Indigenous tropical ecology.

R Kitching1, C Clarke

  • 1Roger Kitching and Charles Clarke are at the Dept of Ecosystem Management, University of New England, Armidale, NSW 2351, Australia.

Trends in Ecology & Evolution
|January 14, 2011
PubMed
Summary

Recent indigenous ecological studies from Sumatra and Sulawesi highlight unique tropical island biodiversity. These works offer valuable insights into local ecosystems, prompting broader examination of tropical ecology literature.

Area of Science:

  • Tropical ecology
  • Island biogeography
  • Biodiversity studies

Background:

  • Two significant works on the ecology of Sumatra and Sulawesi have recently been published.
  • These islands are recognized as globally important tropical island ecosystems.

Purpose of the Study:

  • To highlight the significance of recently published indigenous ecological works from Sumatra and Sulawesi.
  • To examine the broader literature on tropical ecology in light of these indigenous contributions.

Main Methods:

  • Review and analysis of two major ecological works originating from Sumatra and Sulawesi.
  • Exploration of the broader scientific literature on tropical ecology.

Main Results:

  • The reviewed works represent a rare genre: indigenous scholarship for indigenous audiences.

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  • These studies offer unique perspectives on the ecology of tropical islands.
  • Conclusions:

    • Indigenous ecological knowledge is crucial for understanding tropical island ecosystems.
    • Further examination of the wider tropical ecology literature is warranted, incorporating indigenous perspectives.