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Provincial Differences and Dynamic Changes in Mariculture Efficiency in China: Based on Super-SBM Model and Global
Xuan Yu1, Qiuguang Hu1,2, Manhong Shen1,2
1Business School, Ningbo University, Ningbo 315211, China.
Biology
|January 23, 2020
Summary
China
Area of Science:
- Marine Biology
- Agricultural Economics
- Environmental Science
Background:
- China's mariculture is crucial for 21st-century food security.
- A significant input-output gap exists in coastal mariculture.
- Provincial variations in mariculture efficiency require analysis.
Purpose of the Study:
- To measure mariculture efficiency scores and changes in China's coastal provinces.
- To identify factors influencing mariculture efficiency.
- To inform strategies for enhancing food security through mariculture.
Main Methods:
- Super-slacks-based measure model.
- Global Malmquist index.
- Analysis of provincial differences and dynamic changes (2004-2016).
Main Results:
- Mariculture efficiency increased by 6.45% from 2004 to 2016.
- Technological progress was the primary driver of efficiency gains.
- Provinces like Guangxi, Hainan, Fujian, Shandong, and Guangdong showed higher efficiencies.
Conclusions:
- Mariculture scale, marine ecosystem health, and policy adjustments impact efficiency.
- Enhancing mariculture technology is key to improving efficiency.
- Addressing these factors is vital for China's food security goals.
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