通过对西藏高原的生态补偿来调和生态系统服务供需不匹配
Wenjie Yao1,2,3, Xiaofeng Wang4,5, Zixu Jia6
1School of Land Engineering, Chang'an University, Xi'an, 710054, China.
Carbon balance and management
|August 18, 2025
概括
西藏高原的生态补偿是错误的,土壤保护获得了大部分资金,而碳封存被低估了. 本研究提出了一个框架,以改善碳中和和生态系统恢复的生态补偿策略.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 环境经济学环境经济学
背景情况:
- 准确确定生态补偿 (EC) 区域和标准对于碳捕获,减缓生态退化和公平的资源分配至关重要.
- 西藏高原面临着平衡生态系统服务 (ES) 供需的挑战,需要有效的补偿机制.
研究的目的:
- 用生态建模和热点分析量化TP上ES供应和需求之间的空间不匹配.
- 引入和应用比较生态辐射力 (CERF) 的概念,以估计ES流和所需的补偿.
- 提供一个综合的框架,使欧洲共同体的战略与碳管理和生态系统恢复目标保持一致.
主要方法:
- 用生态建模和热点分析来评估ES的供需.
- 比较生态辐射力 (CERF) 概念被引入用于分析ES空间流.
- 关键ES值的量化,包括碳捕获 (初级生产净值 - NPP),土壤保护 (SC),水产 (WY) 和食品供应 (FS).
主要成果:
- 2020年在TP上发现ES供应和需求之间存在显著的空间不匹配.
- ES流量分析显示了方向模式:NPP,SC和WY主要从东向西流动,而FS从北向南流动.
- 生态补偿分配高度偏差:SC获得了95.42%,WY 4.21%,FS 0.21%,NPP仅获得了总补偿的0.16%,尽管碳捕获价值很高.
结论:
- 目前在TP的生态补偿分配与关键生态系统服务的价值和流量不一致,特别是碳捕获.
- 该研究的综合框架提供了一种新的方法来优化欧盟战略,确保公平的资源分配和支持碳中和.
- 研究结果为加强生态系统恢复工作和实现西藏高原可持续发展提供了关键的见解.
更多相关视频
11:53Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
Published on: December 9, 2012
13.0K
12:26Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling SAHM
Published on: October 11, 2016
13.4K
相关概念视频
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
Ecological Disturbance
17.5K
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.
17.5K
Ecological Succession
17.7K
Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
17.7K
Compensation Mechanisms
1.0K
The human body employs intricate mechanisms to counteract changes in blood pH, preventing conditions like acidosis (pH < 7.35) and alkalosis (pH > 7.45). These compensatory responses aim to restore normal arterial blood pH by engaging respiratory or renal systems, depending on the source of the imbalance.
Respiratory Compensation
This mechanism addresses metabolic-induced pH imbalances by adjusting breathing rates. Respiratory compensation begins within minutes of detecting a pH...
Respiratory Compensation
This mechanism addresses metabolic-induced pH imbalances by adjusting breathing rates. Respiratory compensation begins within minutes of detecting a pH...
1.0K
Bioremediation
20.0K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
20.0K
Ecological Niches
24.5K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
24.5K
