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Fast economic development accelerates biological invasions in China
Wen Lin1, Guofa Zhou, Xinyue Cheng
1Ministry of Education Key Laboratory for Biodiversity Sciences and Ecological Engineering, Beijing Normal University, Beijing, China.
Plos One
|November 22, 2007
Summary
Economic development, not just trade, drives biological invasions in China. Understanding these economic factors is key to predicting and managing invasive species effectively.
Area of Science:
- Ecology
- Environmental Science
- Conservation Biology
Background:
- Global trade and travel are primary drivers of biological invasions.
- Indirect factors, like economic development, influencing invasion intensity remain under-explored.
Purpose of the Study:
- To quantitatively investigate the relationship between biological invasion and economic development in China.
- To assess the predictive power of economic and climatic factors on invasive species prevalence.
Main Methods:
- Principal factor analysis was employed.
- Data spanned from the 1970s to the present in China.
- Analysis correlated invasive species occurrence with economic and climatic variables.
Main Results:
- Biological invasions in China have increased alongside rapid economic development over the past three decades.
- Invasive species prevalence is predictable using a combination of economic (R² = 0.378) and climatic (R² = 0.347) factors.
- Economic factors were found to be as determinant, if not more so, than climatic factors for invasive species occurrence.
Conclusions:
- Economic development plays a critical role in the intensity and geographic spread of biological invasions.
- International travel and trade appear to have a less significant impact than previously assumed.
- Future management and prediction strategies for biological invasions must prioritize economic factors.
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