Ecological and economic threshold (EET) and its estimation method

doi:10.7679/j.issn.2095-1353.2020.01.024

Chinese Journal of Applied Entomology ›› 2020, Vol. 57 ›› Issue (1): 214-217.doi: 10.7679/j.issn.2095-1353.2020.01.024

Ecological and economic threshold (EET) and its estimation method

Xing-Yuan MEN¹(), Li-Li LI¹, Fang OUYANG², Qing-Qing ZHANG², Zeng-Bin LU¹, Chao LI¹, Feng GE²^,^***()

1. Institute of Plant Protection, Shandong Academy of Agricultural Science, Ji'nan 250100, China
2. State Key Laboratory of Integrated Management of Pest and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China

Received:2019-11-26 Accepted:2019-12-29 Online:2020-01-31 Published:2020-07-03
Contact: Feng GE E-mail:menxy2000@hotmail.com;gef@ioz.ac.cn

Abstract

Abstract:

.Economic threshold (ET) was the key index for guiding agricultural pest management, which was based on the value of the saved crops and control cost in the pest management. Because the ecological cost of pesticide use often was less considered in the practical application, ET was lower and more pesticides were used. We proposed the concept of ecological and economic threshold (EET) with the aid of the new development in the assessment of ecological impacts of pesticide use, in which both the control cost and ecological cost of pesticide use were fully considered. The simple mathematic model and estimation method based on the index of pesticide ecological risk use were presented. EET will be conducive to promote the pest management level and achieve purpose of pesticide reduction.

Key words: agricultural pest, ecological and economic threshold, estimation method, index of pesticide ecological risk

Xing-Yuan MEN, Li-Li LI, Fang OUYANG, Qing-Qing ZHANG, Zeng-Bin LU, Chao LI, Feng GE. Ecological and economic threshold (EET) and its estimation method[J]. Chinese Journal of Applied Entomology, 2020, 57(1): 214-217.

Figures/Tables 1

References 19

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农药生态风险指数（α） Index of pesticides ecological risk (α)	农药生态风险程度 Level of pesticides ecological risk
0	无
1	极低
2	低
3	中等
4	高
5	极高

农药生态风险指数（α） Index of pesticides ecological risk (α)	农药生态风险程度 Level of pesticides ecological risk
0	无
1	极低
2	低
3	中等
4	高
5	极高

Ecological and economic threshold (EET) and its estimation method

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