传粉者访问不足往往限制了全球作物系统的产量
Katherine J Turo1, James R Reilly2, Thijs P M Fijen3
1Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, NJ, USA. katie.turo@rutgers.edu.
Nature ecology & evolution
|July 3, 2024
概括
在全球范围内,28-61%的作物面临着授粉者限制,影响蓝,咖啡和果的产量. 增加授粉者访问可以显著缩小受影响农业系统的产量差距.
科学领域:
- 生态生态学 生态生态学
- 农业科学 农业科学
- 保护生物学 保护生物学
背景情况:
- 减少的授粉者种群对全球粮食安全构成重大威胁.
- 授粉者限制,即由于授粉者活动不足,作物产量受到限制,是一个越来越令人担忧的问题.
研究的目的:
- 确定各种作物系统中传粉者限制的全球流行情况.
- 识别与授粉者限制相关的风险因素,如作物类型和地理位置.
- 量化增加授粉者访问所带来的潜在产量改善.
主要方法:
- 分析了198360种植物与授粉者相互作用和2083种产量测量.
- 包括32种作物物种在120个不同的研究系统中.
- 对森林土地覆盖面等环境因素的评估与授粉者限制有关.
主要成果:
- 全球28-61%的作物系统表现出授粉者限制,蓝,咖啡和果作物受到影响最大.
- 一公里内的森林土地覆盖率显示,在某些情况下,授粉者限制概率略有下降.
- 增加授粉者访问到第90百分位数的水平,可以在有限的系统中缩小63%的产量差距.
结论:
- 授粉者限制在不同作物类型和地区有很大差异.
- 有针对性的授粉者活动增加提供了一个可行的策略,以提高作物产量和减轻粮食生产风险.
- 专注于授粉者的保护工作对于可持续农业和全球粮食供应至关重要.
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