数字农科院2.0

Ecological Illiteracy Can Deepen Farmers' P.esticide Dependency

文献类型： 外文期刊

作者： Lundgren, J. G.;Wyckhuys, K. A. G.;Bianchi, F. J. J. A.;Wyckhuys, K. A. G.;Heong, K. L.;Wyckhuys, K. A. G.;Sanchez:Bayo, F.;Bentley, J. W.;Wyckhuys, K. A. G.

作者机构：

关键词： social-ecological systems; sustainable intensification; ecological knowledge systems; agricultural anthropology; behavioral change; agro-chemical pollution

期刊名称： ENVIRONMENTAL RESEARCH LETTERS

ISSN： 1748-9326

年卷期： 2019 年 14 卷 9 期

页码：

摘要： Nearly 2.5 billion smallholders cultivate the world's arable land, strategically positioned to tackle multiple Anthropocene challenges. When consciously adopting ecologically-based pest management practices, they can improve resource use efficiency, slow biodiversity loss, curtail environmental pollution and safeguard human health. Yet, the effective implementation of knowledge-intensive management practices requires underlying ecological concepts to be well-understood. Here, drawing upon published social science research spanning 1910-2016, we illuminate deficiencies in the world's farmers' ecological literacy and in their valuation of insect-mediated ecosystem services. Though tribal people and indigenous folk possess sophisticated knowledge of insects that occur within farm settings, contemporary farmers on average know a mere 1.9-2.3 pestiferous herbivores and 0.5-0.9 pest-killing organisms (out of a respective 8 and 3 taxa) in a particular crop or cropping system. Ecosystem services such as biological pest control are annually worth hundreds of dollars ha(-1) but remain unknown to nearly 70% of farmers globally. Also, agricultural systems with deficient ecological literacy tend to foster a greater dependency upon chemically-synthesized pesticides. If this 'cognitive handicap' can be remediated, farmers could become agro-biodiversity stewards and champions in redressing multiple aspects of global environmental change.

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