人与自然系统的合力调解了生态系统服务对土地利用变化的反应
Baoan Hu1, Zuzheng Li1, Huifeng Wu1
1School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, China; Qilaotu Mountain National Observation and Research Station of Chinese Forest Ecosystem, Chifeng, 024400, China.
Journal of environmental management
|July 15, 2023
概括
土地使用变化影响人与自然系统 (HNS) 和生态系统服务 (ES). 土地使用强度的增加使HNS连接松,严重影响ES动态和可持续性.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 网络分析 网络分析
背景情况:
- 人与自然系统 (HNS) 的动态对于可持续发展的生态系统服务 (ES) 发展至关重要.
- 土地使用变化 (LC) 显著影响HNS,但其对HNS与ES合关系的影响仍未得到充分研究.
研究的目的:
- 研究由LC强度驱动的HNS合关系的变化如何影响ES.
- 量化描述HNS合关系及其在LC强度梯度上的变化.
主要方法:
- 在Loess高原使用网络分析构建了一个HNS相关性网络.
- 通过网络属性 (连接性,密度) 来量化HNS合关系.
- 在不同LC强度下分析了HNS网络属性和ES之间的关系.
主要成果:
- 碳储存和土壤保护增加;息地质量和水产量下降.
- 增加LC强度降低了HNS网络连接和密度,削弱了组件连接.
- HNS网络属性解释了ES变化的85%,连接性和密度是关键驱动因素.
结论:
- LC主要通过改变HNS合强度来影响ES动态.
- 网络属性为理解LC-HNS-ES相互作用提供了一个新的视角.
- 这些发现支持在不断变化的条件下为人类福祉提供可持续的HNS管理.
相关概念视频
Ecological Disturbance
17.2K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
17.2K
Coupled Reactions
7.9K
Cellular processes such as building and breaking down complex molecules occur through stepwise chemical reactions. Some of these chemical reactions are spontaneous and release energy, whereas others require energy to proceed. Cells often couple the energy-releasing reaction with the energy-requiring one to carry out important cell functions.
Energy in adenosine triphosphate or ATP molecules is easily accessible to do work. ATP powers the majority of energy-requiring cellular reactions....
Energy in adenosine triphosphate or ATP molecules is easily accessible to do work. ATP powers the majority of energy-requiring cellular reactions....
7.9K
¹H NMR: Long-Range Coupling
1.8K
The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene...
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene...
1.8K
The Soil Ecosystem
20.6K
Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
20.6K
Ligand Binding and Linkage
4.8K
Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked. In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence...
4.8K
What is an Ecosystem?
39.9K
Overview
39.9K


