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  2. Biodiversity loss - Wikipedia

    en.wikipedia.org/wiki/Biodiversity_loss

    Summary of major environmental-change categories that cause biodiversity loss. The data is expressed as a percentage of human-driven change (in red) relative to baseline (blue), as of 2021. Red indicates the percentage of the category that is damaged, lost, or otherwise affected, whereas blue indicates the percentage that is intact, remaining ...

  3. Habitat destruction - Wikipedia

    en.wikipedia.org/wiki/Habitat_destruction

    Habitat loss is one of the main environmental causes of the decline of biodiversity on local, regional, and global scales. Many believe that habitat fragmentation is also a threat to biodiversity however some believe that it is secondary to habitat loss. [ 46 ]

  4. Ecological crisis - Wikipedia

    en.wikipedia.org/wiki/Ecological_crisis

    Summary of major environmental-change categories that cause biodiversity loss. The data is expressed as a percentage of human-driven change (in red) relative to baseline (blue), as of 2021. Red indicates the percentage of the category that is damaged, lost, or otherwise affected, whereas blue indicates the percentage that is intact, remaining ...

  5. Habitat fragmentation - Wikipedia

    en.wikipedia.org/wiki/Habitat_fragmentation

    Causes of habitat fragmentation include geological processes that slowly alter the layout of the physical environment [3] (suspected of being one of the major causes of speciation [3]), and human activity such as land conversion, which can alter the environment much faster and causes the extinction of many species.

  6. Global biodiversity - Wikipedia

    en.wikipedia.org/wiki/Global_biodiversity

    Summary of major environmental-change categories that cause biodiversity loss. The data is expressed as a percentage of human-driven change (in red) relative to baseline (blue), as of 2021. Red indicates the percentage of the category that is damaged, lost, or otherwise affected, whereas blue indicates the percentage that is intact, remaining ...

  7. Human impact on the environment - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_the...

    Habitat fragmentation and loss are considered as being the main cause of the loss of biodiversity and degradation of the ecosystem all over the world. Human actions are greatly responsible for habitat fragmentation, and loss as these actions alter the connectivity and quality of habitats.

  8. Environmental degradation - Wikipedia

    en.wikipedia.org/wiki/Environmental_degradation

    [5] [6] The loss of biodiversity has been attributed in particular to human overpopulation, continued human population growth and overconsumption of natural resources by the world's wealthy. [ 7 ] [ 8 ] A 2020 report by the World Wildlife Fund found that human activity – specifically overconsumption, population growth and intensive farming ...

  9. Decline in amphibian populations - Wikipedia

    en.wikipedia.org/wiki/Decline_in_amphibian...

    This type of biodiversity loss is known as one of the most critical threats to global biodiversity. The possible causes include habitat destruction and modification, diseases, exploitation, pollution, pesticide use, introduced species, and ultraviolet-B radiation (UV-B). However, many of the causes of amphibian declines are still poorly ...