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Cluster Sampling Method

Cluster Sampling Method

Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...

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相关实验视频

Updated: Jan 8, 2026

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

Published on: October 5, 2016

验证一个代表性采样协议,以在图片尺度上研究葡萄菌群.

Gabriela Pinto Miguel¹, Olivier Rué², Martine Pradal¹

¹SPO, INRAE, Institut Agro, University of Montpellier, 2 Place Pierre Viala, 34060 Montpellier, France.

Journal of microbiological methods

|December 21, 2025

概括

了解葡萄的微生物群是酒的关键. 这项研究比较了葡萄微生物群的两种采样方法,发现将样本组合在一起会影响微生物多样性分析.

关键词:

多样性多样性多样性多样性葡萄果是葡萄的果实,葡萄果是葡萄的果实.超标标的代码化微生物群中的微生物群采样采样采样酵母酵母是一种酵母.

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Author Spotlight: Exploring the Fermentation Microbiome Through Next-Generation Sequencing

Author Spotlight: Exploring the Fermentation Microbiome Through Next-Generation Sequencing

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Sampling Soils in a Heterogeneous Research Plot

Sampling Soils in a Heterogeneous Research Plot

Published on: January 7, 2019

相关实验视频

Last Updated: Jan 8, 2026

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

Published on: October 5, 2016

Author Spotlight: Exploring the Fermentation Microbiome Through Next-Generation Sequencing

Author Spotlight: Exploring the Fermentation Microbiome Through Next-Generation Sequencing

Published on: December 1, 2023

Sampling Soils in a Heterogeneous Research Plot

Sampling Soils in a Heterogeneous Research Plot

Published on: January 7, 2019

科学领域:

葡萄种植和葡萄酒学葡萄种植和葡萄酒学
微生物学微生物学
遗传学遗传学是一种遗传学.

背景情况:

葡萄的微生物群对葡萄种植产生重大影响,影响葡萄树的健康,葡萄的发育,发酵和葡萄酒的感觉特征.
精确监测微生物群落对于优化葡萄园管理和确保葡萄酒真实性至关重要.
转基因学提供了一种快速,独立于培养的方法,用于识别葡萄微生物群中的微生物.

研究的目的:

评估不同采样方法的代表性,以分析葡萄的微生物群多样性.
为了比较从聚合而不是单独采样的葡萄中获得的微生物群体概况.
评估采样策略对了解阿尔塔班葡萄品种微生物群多样性的影响.

主要方法:

研究了阿尔塔班葡萄品种的微生物群,该品种以其对粉状菌的耐药性和对菌的耐受性而闻名.
我们比较了两种不同的采样方法:从10个葡萄树中汇集微生物群,而不是单独分析每个葡萄树.
利用元遗传学在基因或物种层面上对微生物群落进行培养独立的识别.

主要成果:

从多个葡萄树中汇集葡萄样本可能会改变与单个葡萄树分析相比感知到的微生物多样性.
在组合和个人采样方法之间观察到微生物群落组成的差异.
该研究强调了采样策略在准确描述葡萄园微生物群中的重要性.

结论:

选择采样方法对葡萄菌群多样性的表征有很大影响.
为了在葡萄栽培中进行可靠的转基因学研究,需要仔细考虑采样技术.
优化的采样协议对于准确的葡萄园微生物监测和葡萄酒生产洞察至关重要.