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Quantifying and categorising national extinction-risk footprints.

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Human consumption drives biodiversity loss and species extinction globally. This study maps extinction-risk footprints, revealing consumption patterns and identifying countries that import or export extinction risks, crucial for conservation strategies.

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Area of Science:

  • Ecology and Conservation Biology
  • Environmental Science
  • Global Sustainability Studies

Background:

  • Biodiversity is critical for ecosystem services supporting human well-being and is currently under severe threat.
  • Human activities, including habitat destruction and climate change, are the primary drivers of escalating species extinction rates.
  • A significant disconnect exists between the consumption of goods and services and the species extinction risk generated, often across geographical boundaries.

Purpose of the Study:

  • To quantify and categorize the extinction-risk footprints associated with consumption for 188 countries worldwide.
  • To identify the patterns of biodiversity impact, distinguishing between net importers, net exporters, and countries where domestic consumption is the main driver.
  • To provide data-driven insights for developing targeted interventions to mitigate species extinction risk.

Main Methods:

  • Development of a methodology to quantify and categorize national extinction-risk footprints.
  • Analysis of consumption patterns and their linkage to species extinction risk across 188 countries.
  • Classification of countries based on their net import/export status of extinction-risk footprint and the contribution of domestic consumption.

Main Results:

  • Seventy-six countries were identified as net importers of extinction-risk footprint.
  • Sixteen countries were identified as net exporters of extinction-risk footprint.
  • In 96 countries, domestic consumption was found to be the largest contributor to their national extinction-risk footprint.

Conclusions:

  • Understanding national extinction-risk footprints is essential for addressing the global biodiversity crisis.
  • Consumption-driven biodiversity loss highlights the need for international cooperation and policy interventions.
  • These findings offer a framework for formulating effective strategies to reduce humanity's impact on biodiversity.