相关实验视频
Updated: May 13, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
7.9K
在累积影响评估模型中纳入生态系统组件相互作用和间接影响
Iréne Wåhlström1, Diana Perry2, Sanne Bergman3
1Swedish Meteorological and Hydrological Institute, Research Department, 601 76 Norrköping, Sweden.
Journal of environmental management
|April 14, 2025
概括
将生态系统相互作用纳入累积影响评估 (CIA) 模型可以显著提高海洋管理. 这种方法揭示了以前被忽视的压力,导致对可持续的沿海生态系统进行更准确和空间详细的评估.
科学领域:
- 海洋生态海洋生态学
- 生态系统建模 生态系统建模
- 环境影响评估环境影响评估
背景情况:
- 人类对沿海海域的压力需要战略管理.
- 现有的累积影响评估 (CIA) 模型可以通过纳入生态系统动态来改进.
研究的目的:
- 展示生态系统组件的相互作用和间接影响如何可以增强CIA模型.
- 评估这些相互作用改变累积影响估计的程度.
主要方法:
- 一个简化,扩展的区域交响乐CIA模型被应用于瑞典的案例研究.
- 分析了对鱼,鱼和浮游生物的五种污染和气候驱动的压力.
- 一个系统的文献审查确定了模型进步的影响权重得分.
主要成果:
- 精细的CIA模型显示,在研究区域的总累积影响增加了117%.
- 更新后的模型提供了更详细的空间结果,对冲击幅度的变化更大.
- 确定了新的,以前没有突出显示的,处于压力之下的区域.
结论:
- 整合生态系统相互作用和间接影响对于改进CIA模型至关重要.
- 改进的CIA模型为基于生态系统的海洋管理提供了更大的预测能力和生态相关性.
- 这种方法对于全面了解和管理海洋生态系统至关重要.
相关概念视频
Ecological Disturbance
16.9K
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.
16.9K
Strategies for Assessing and Addressing Confounding
70
Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
70
What is an Ecosystem?
39.0K
Overview
39.0K
Mechanistic Models: Compartment Models in Individual and Population Analysis
18
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
18
Symbiosis
27.0K
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
27.0K
Habitat Fragmentation
17.3K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.3K

