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Related Concept Videos

What is Biodiversity?01:19

What is Biodiversity?

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.
Threats to Biodiversity01:50

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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Biodiversity and Human Values

Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
What is Conservation Biology?01:57

What is Conservation Biology?

Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
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From Water to Land
Keystone Species01:39

Keystone Species

Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a pivotal role in the...

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Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation
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Biodiversity for our future.

Yukio Yokota, Valeria Matranga

    Ecotoxicology (London, England)
    |March 10, 2010
    PubMed
    Summary

    This special issue explores alternative models for marine toxicological investigations to address environmental changes caused by human activities. It highlights innovative ecotoxicological tests for protecting marine organisms.

    Area of Science:

    • Marine Biology
    • Environmental Science
    • Ecotoxicology

    Background:

    • Anthropogenic activities are rapidly altering marine environments globally.
    • Uncontrolled resource exploitation and industrialization pose significant threats to marine ecosystems.
    • There is an urgent need to assess the impact of these changes on marine life.

    Discussion:

    • This special issue focuses on alternative models for marine toxicological investigations.
    • It reviews the current state of the marine environment, particularly in light of global biodiversity concerns.
    • Innovative ecotoxicological testing strategies are discussed for safeguarding marine organisms.

    Key Insights:

    • The rapid pace of environmental change necessitates novel approaches to marine toxicology.

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  • Protecting marine organisms requires advanced and alternative testing methodologies.
  • Understanding the impact of human activities is crucial for marine conservation.

    • Outlook:

    • Further development and adoption of alternative models in marine toxicology are essential.
    • Continued research into innovative ecotoxicological tests will support marine ecosystem health.
    • International cooperation is vital for addressing global environmental challenges affecting marine life.