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Human-mediated

Describing actions, processes, or changes that are brought about or significantly influenced by human intervention. It emphasizes the active role of humans in shaping or altering a particular situation, environment, or outcome. This can encompass a wide range of activities, from direct manipulation like construction or agriculture, to indirect influences such as climate change caused by industrial emissions or the spread of invasive species through international trade. The term highlights the anthropocentric impact on various systems and acknowledges the human agency involved.

Human-mediated meaning with examples

  • Deforestation is a clear example of human-mediated environmental change. Large-scale logging operations, driven by the demand for timber and land, directly alter ecosystems and reduce biodiversity, showcasing human influence. The clearing of forests is done in areas that have the potential to become farmland, so the effects on land use are huge in these areas.
  • The spread of diseases like malaria or Zika virus, partly facilitated by mosquito populations adapting to human-altered environments, such as urban water sources, represent a human-mediated challenge to global health. Understanding the connection will mean a better chance of controlling these outbreaks. Better data collection can help.
  • Agricultural practices, including irrigation and the use of fertilizers, represent a human-mediated process, where yields are increased but the overuse of fertilisers causes run-off. These practices have significant impacts on soil, water, and the overall ecosystem, demonstrating the complex relationship between human activity and the natural world. Careful monitoring and management is needed.
  • The construction of dams and reservoirs is a human-mediated alteration of natural water systems. While providing benefits such as water storage and hydroelectric power, dams also cause habitat fragmentation and disrupt natural river flow patterns. This change is not always understood by governments.
  • Climate change, driven by the release of greenhouse gases from human activities like burning fossil fuels, represents a profound human-mediated alteration of the planet's climate. This impacts global weather patterns, sea levels, and numerous ecosystems, illustrating the broad scope of human influence.

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