相关实验视频
Updated: Sep 16, 2025

08:49
Assessing Agrochemical Risk to Mated Honey Bee Queens
Published on: March 3, 2021
2.9K
黄蜂对农作物授粉的全球风险
Cayetano Herrera1, Mar Leza1, Belinda Gallardo2
1Department of Biology (Zoology), University of the Balearic Islands, Ctra. Valldemossa Km 7.5, Balearic Islands, Palma, Spain.
Journal of environmental management
|July 5, 2025
概括
黄蜂威胁到全球重要的作物生产和粮食安全. 这项研究绘制了黄蜂对依赖授粉者作物的风险,突出了需要紧急管理战略保护农业的地区.
科学领域:
- 生态生态学 生态生态学
- 农业科学 农业科学
- 侵入性物种 生物学 生物学
背景情况:
- 黄蜂 (Vespidae) 是影响有益昆虫种群的重要捕食者.
- 依赖授粉者作物的作物对于全球粮食安全和生态系统稳定至关重要.
- 黄蜂的掠食对昆虫授粉者和农业产量构成直接威胁.
研究的目的:
- 为了空间评估目前和未来的受粉体依赖作物的虫掠食的暴露.
- 评估大黄蜂掠食行为对昆虫授粉者种群的潜在影响.
- 为了确定最容易受到大黄蜂扩散的关键地区和作物.
主要方法:
- 全球空间分析大黄蜂观测数据.
- 覆盖分析与依赖授粉者作物的作物生产面积.
- 根据气候变化情景,对未来的黄蜂分布进行预测建模.
主要成果:
- 全球超过50%的黄蜂观测与高价值作物生产地区 (亚洲,欧洲,北美) 相吻合.
- 到2070年,全球多达6%的依赖授粉者的耕地可能成为大黄蜂热点.
- 大豆 (北美),果 (欧洲) 和西瓜 (亚洲) 面临着最高的暴露.
结论:
- 由全球贸易和气候变化驱动的黄蜂扩张,增加了对授粉者和农业的风险.
- 有效的管理策略,包括早期发现和控制,是必不可少的.
- 空间洞察对于制定政策来保护重要的授粉服务至关重要.
相关概念视频
Pollination and Flower Structure
69.0K
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
69.0K
Threats to Biodiversity
22.9K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
22.9K
Biodiversity and Human Values
13.4K
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
13.4K
Hypothesis: Accept or Fail to Reject?
28.4K
The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null...
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null...
28.4K

