CBCGDF Call for Scientific Ecological Assessment of Plant Protection Unmanned Aerial Vehicle Pest Control

 Since 2017, the Dalian City Urban Management Bureau has been carrying out the annual June-August operation, referred to as the "Plant Protection Unmanned Aerial Vehicle (UAV)", of applying for medicine by UAV to urban forests in the city to control forest pests and diseases. The operation is usually carried out twice, each lasting 2-3 days, with an interval of about one month. In 2019, for example, Dalian City conducted a total of 60 Unmanned Aerial Vehicle pest control operations, using about 5.4 tons of 2% thiacloprid microencapsulated suspending agent, covering an area of about 43,000 mu.


 

The China Biodiversity Conservation and Green Development Foundation (CBCGDF) wrote to the Dalian Municipal Government in 2021 and 2023, suggesting that the use of thiacloprid for Unmanned Aerial Vehicle pest control should be suspended, pointing out that no biodiversity impact assessment had been carried out before or after the Unmanned Aerial Vehicle pest control. CBCGDF volunteers observed that the Plant Protection Unmanned Aerial Vehicle operations led to a sharp decline in the number of insects such as praying mantis, ants and crickets, as well as a large decrease in the number of birds that feed on insects, which disrupted the local ecological balance.

 


Research shows that thiacloprid may lead to a significant decline in freshwater insect populations. The Plant Protection Unmanned Aerial Vehicle operations for more than 2 consecutive years led to a significant reduction in insect populations, with the total number of insects dropping to 20% of their original size after 5 consecutive years.

 

In addition, thiacloprid poses potential risks to human health. Due to its reproductive toxicity and carcinogenic risk, the EU has banned thiacloprid since 2018 and completely banned its use in outdoor environments since 2020.

 

The Basel, Rotterdam and Stockholm Convention (BRS) aim to protect human health and the environment from persistent organic pollutants (POPs), hazardous wastes and dangerous chemicals, respectively. These conventions establish rules and guidelines. These conventions establish rules and guidelines to restrict and regulate the production, transportation, and disposal of hazardous substances and promote international cooperation to reduce the potential risks of these substances to global ecosystems and health. As an observer of the BRS conventions, CBCGDF will respond positively, and carefully contribute to biodiversity conservation and green development.

 

Editor: LYJ

Check: Maggie


Original Link: https://mp.weixin.qq.com/s/AGKOG0b2TUMaMWUBosjuzQ


Contact: v10@cbcgdf.org; +8617319454776





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