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  2. Ecotoxicity - Wikipedia

    en.wikipedia.org/wiki/Ecotoxicity

    Ecotoxicity, the subject of study in the field of ecotoxicology (a portmanteau of ecology and toxicology), refers to the biological, chemical or physical stressors that affect ecosystems. Such stressors can occur in the natural environment at densities, concentrations, or levels high enough to disrupt natural biochemical and physiological ...

  3. Ecotoxicology - Wikipedia

    en.wikipedia.org/wiki/Ecotoxicology

    Ecotoxicology is the study of the effects of toxic chemicals on biological organisms, especially at the population, community, ecosystem, and biosphere levels. Ecotoxicology is a multidisciplinary field , which integrates toxicology and ecology .

  4. Environmental toxicology - Wikipedia

    en.wikipedia.org/wiki/Environmental_toxicology

    [1] [2] Ecotoxicology is a subdiscipline of environmental toxicology concerned with studying the harmful effects of toxicants at the population and ecosystem levels. Rachel Carson is considered the mother of environmental toxicology, as she made it a distinct field within toxicology in 1962 with the publication of her book Silent Spring , which ...

  5. Ecotoxicology and Environmental Safety - Wikipedia

    en.wikipedia.org/wiki/Ecotoxicology_and...

    Ecotoxicology and Environmental Safety is an open-access peer-reviewed scientific journal published by Elsevier. The editors-in-chief are Richard Handy (University of Plymouth) and Bing Yan (Guangzhou University). Established in 1977, the journal has published in open-access since 2021. [1]

  6. Predicted no-effect concentration - Wikipedia

    en.wikipedia.org/wiki/Predicted_no-effect...

    [1] [2] [3] PNEC values are often used in environmental risk assessment as a tool in ecotoxicology. [1] [3] [4] A PNEC for a chemical can be calculated with acute toxicity or chronic toxicity single-species data, Species Sensitivity Distribution (SSD) multi-species data, field data or model ecosystems data. Depending on the type of data used ...

  7. Glossary of ecology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_ecology

    A signal used by individual organisms of certain species meaning that the user intends to attack. theoretical ecology The development of ecological theory, usually with mathematical, statistical and/or computer modeling tools. tree line Any delineation between habitats in which trees are capable of growing and in which they are not capable of ...

  8. European Centre for Ecotoxicology and Toxicology of Chemicals

    en.wikipedia.org/wiki/European_Centre_for...

    The European Centre for Ecotoxicology and Toxicology of Chemicals (ECETOC) is a scientific, non-profit, non-commercial and non-governmental association.

  9. Urdu Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Urdu_Wikipedia

    The Urdu Wikipedia (Urdu: اردو ویکیپیڈیا), started in January 2004, is the Standard Urdu-language edition of Wikipedia, a free, open-content encyclopedia. [1] [2] As of 19 January 2025, it has 216,693 articles, 189,456 registered users and 7,469 files, and it is the 54th largest edition of Wikipedia by article count, and ranks 20th in terms of depth among Wikipedias with over ...