相关实验视频
Updated: Jun 15, 2026

06:10
Detection of Viruses from Bioaerosols Using Anion Exchange Resin
Published on: August 22, 2018
8.2K
猪舍中的微生物动力学和气候相互作用:对空气中的微生物和颗粒物度的洞察
Sarishti Katwal1, Yashpal Singh2, Jasbir Singh Bedi3
1Department of Livestock Production Management, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India. srishtikatwal@gmail.com.
Environmental monitoring and assessment
|May 4, 2024
概括
在猪舍中,空气中的微生物数量与环境因素一起进行了评估. 细菌和真菌水平保持在推范围内,受天气的影响,但没有明显受到颗粒物的影响.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- 畜牧业建筑排放影响空气质量,农民/动物健康和环境.
- 了解动物住房中的微生物动态对于生物安全和职业健康至关重要.
研究的目的:
- 评估猪舍中的微生物数量 (细菌和真菌).
- 研究微生物丰富度,气象变量 (温度,湿度,空气速度) 和颗粒物 (PM10,PM2.5) 之间的关系.
- 为了确定主导的微生物家族和物种,并评估季节性变化.
主要方法:
- 在三个季节 (夏季,雨季,冬季) 中,在两个猪舍内外进行每两周一次采样.
- 监测的微生物数量 (细菌和真菌),颗粒物 (PM10,PM2.5) 和气象变量.
- 分析数据以确定环境因素和微生物种群之间的相关性.
主要成果:
- 细菌和真菌的数量因季节而异,冬季和夏季颗粒物质较高.
- 温度,空气速度和相对湿度显著影响了Enterobacteriaceae和真菌的丰富性.
- 空气速度特别影响了美索菲尔菌和葡萄球菌;在微生物数量和颗粒物水平之间没有发现显著的联系.
- 斯塔菲洛可可科科,阿斯伯吉卢斯和克拉多斯波里亚种类. 它们是占主导地位的细菌和真菌类.
结论:
- 在研究的猪舍中,空气中的细菌和真菌处于推水平之内.
- 宽松的住房和较低的动物密度可能有助于有利的空气质量.
- 气象因素在调节畜牧场内的微生物种群方面发挥着重要作用.
相关概念视频
Environmental Applications of Microorganisms
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
Microenvironments
Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
Microbial Interactions: Predation
Microbial predation refers to the process by which one microorganism kills and consumes another to obtain nutrients and energy. It encompasses both bacterial and protozoan predators. This interaction plays a crucial role in shaping microbial communities and regulating nutrient cycling.Bacterial Predators: Epibiotic vs. EndobioticBacterial predators are classified based on their mode of attack as either epibiotic or endobiotic. Epibiotic predators, such as Vampirococcus, attach to the surface of...
Marine Microbial Ecology
Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
Soil Microbial Ecology
Soil microbial ecology is defined by highly diverse, spatially structured communities that drive nutrient cycling, organic matter turnover, and overall ecosystem stability. Although a gram of soil can contain thousands of bacterial and archaeal taxa, the ecological processes they mediate are even more crucial for sustaining terrestrial life.Microhabitats and NichesSoil is a heterogeneous mixture of minerals, organic matter, water, and air. Microbes inhabit distinct microhabitats formed by...
Microbes and Climate Change
Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...

