相关实验视频

Updated: May 29, 2025

An Ultra-clean Multilayer Apparatus for Collecting Size Fractionated Marine Plankton and Suspended Particles

An Ultra-clean Multilayer Apparatus for Collecting Size Fractionated Marine Plankton and Suspended Particles

Published on: April 19, 2018

在中国的一项大型水分转移项目中,真核浮游生物群落和组装过程

Liming Zhu^1,2, Lihui Feng³, Daoxi Zhang^1,2

¹Key Laboratory of Ecological Impacts of Hydraulic-Projects and Restoration of Aquatic Ecosystem of Ministry of Water Resources, Institute of Hydroecology, Ministry of Water Resources and Chinese Academy of Sciences, 430079, Wuhan, P.R. China.

Scientific reports

|February 5, 2025

概括

研究了丹江口水库 (DJK) 和南北水分分流项目 (MRP) 中间路线的真核浮游生物群落. 环境因素和随机过程塑造了这些社区,决定性因素越来越多地影响了MRP.

科学领域:

生态生态学生态生态学
环境科学环境科学
微生物学微生物学

背景情况:

丹江口水库 (DJK) 和南北中路水分转移项目 (MRP) 对中国的水安全至关重要.
幼核浮游生物是这些关键水生生态系统中水质的关键指标.
对工程水系统及其来源中的浮游生物动态的比较研究有限.

研究的目的:

研究DJK和MRP中真核浮游生物群落的同时代动态和组装过程.
了解环境异质性对浮游生物群落组成和多样性的影响.
确定主导这些系统中的浮游生物组合的主导生态过程 (随机与决定性).

主要方法:

安普利康测序被用来分析真核生物浮游生物群落.
评估了社区的组成,相似性和距离衰变模式.
分析了环境因素 (TN,Chl.a,Spc) 和它们与社区结构的相关性.

主要成果:

DJK的社区相似性明显高于MRP,有显著的距离衰变模式.
环境异质性在DJK和MRP之间有显著差异,影响了社区组成和α多样性.
虽然随机过程在两个系统中占主导地位,但在MRP中 (39.29%) 与DJK (1.82%) 相比,确定性过程更为明显.

结论:

环境变化,特别是TN,Chl.a和Spc,正在将MRP的真核植物浮游生物组合从随机到决定性的过程中转移.
了解这些动态对于管理和监管大型水分转移项目及其水源至关重要.
这项研究提供了关于真核浮游生物在工程水生环境中的社区组合的宝贵见解.

关键词:

装配过程装配过程丹江口水库是丹江口的水库之一.欧核生物浮游生物的动力学空间模式空间模式南北转水工程的中间路线.

更多相关视频

Large Insert Environmental Genomic Library Production

Large Insert Environmental Genomic Library Production

Published on: September 23, 2009

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities

Published on: December 25, 2015

相关概念视频

What is an Ecosystem?

What is an Ecosystem?

Primary Production

Primary Production

The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.

What are Biogeochemical Cycles?

What are Biogeochemical Cycles?

The most common elements in organic molecules, carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus, are only available in the ecosystem in limited amounts. Therefore, these nutrients must be recycled through both biotic and abiotic components of the ecosystem, in processes generally called biogeochemical cycles.