Non-English research provides a more complete picture of global biological invasion costs
In short: Researchers who compared global databases of invasive species costs found that including non-English scientific literature significantly expands our understanding of the problem. By analyzing data from 15 non-English languages alongside English sources, the study revealed that English-only research misses critical information regarding species, countries, and the true economic impact of biological invasions.
The study compared approximately 7,500 entries from the InvaCost database with new data compiled from 15 non-English languages. The researchers found that non-English sources added 249 species and 15 countries to the existing English records, increasing the global cost estimate by 16.6%. However, the findings are based on a comparison of specific databases and may not represent all scientific fields.
The researchers demonstrated that overlooking non-English data creates significant biases in how costs are distributed across different regions and sectors, particularly under-representing costs in Europe and local-scale management.
Why it matters: Broadening scientific research beyond English helps reduce global biases and provides a more accurate view of environmental economic impacts.
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