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相关概念视频

Ecological Disturbance02:26

Ecological Disturbance

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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.
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Ecological Succession02:17

Ecological Succession

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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...
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Habitat Fragmentation02:31

Habitat Fragmentation

17.6K
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.
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相关实验视频

Updated: Jul 19, 2025

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
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Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

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建模和测试森林生态系统状况帐户

Adrián G Bruzón1, Patricia Arrogante-Funes1, Fernando Santos-Martín1

  • 1Department of Chemical and Environmental Technology, ESCET, Rey Juan Carlos University, C/Tulipán s/n, Móstoles, 28933, Madrid, Spain.

Journal of environmental management
|August 10, 2023
PubMed
概括
此摘要是机器生成的。

一个新的模型使用环境经济会计系统-生态系统会计 (SEEA-EA) 框架绘制森林生态系统状况图. 从2000年到2015年,西班牙森林的状况略有改善,生态系统类型的趋势各不相同.

关键词:
状态 状态 状态 状态生态系统会计学 生态系统会计森林的森林森林的森林.自然资本自然资本亚美海 - 欧洲经济区.西班牙西班牙西班牙西班牙西班牙

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Simulating Impacts of Ice Storms on Forest Ecosystems
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Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

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相关实验视频

Last Updated: Jul 19, 2025

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Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

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Simulating Impacts of Ice Storms on Forest Ecosystems
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科学领域:

  • 环境会计环境会计
  • 生态系统评估 生态系统评估
  • 林业科学 林业科学

背景情况:

  • 联合国统计委员会在2021年批准了环境经济会计-生态系统会计体系 (SEEA-EA) 框架.
  • 监测森林生态系统状况对于保护和管理至关重要.
  • 缺乏一种标准化,空间明确的方法来评估森林状况.

研究的目的:

  • 开发和应用一个用于绘制森林生态系统状况账户的自动化模型.
  • 从2000年到2015年在西班牙全国测试该模型的有效性.
  • 为制定政策提供有关森林状况和趋势的见解.

主要方法:

  • 开发了一个基于SEEA-EA框架的应用模型.
  • 定义的森林生态系统类型和选择的条件变量 (物理,化学,结构等). ) 的情况.
  • 建立了参考水平,将变量聚合到一个指数中,并重新调整到0-1范围.

主要成果:

  • 该模型成功生成了西班牙 (2000-2015年) 的空间显式森林状况账户.
  • 西班牙森林生态系统的整体状况略有改善,从0.56升至0.58.
  • 观察到明显的趋势:阿尔卑斯山和马卡罗尼西亚混合森林有所改善,而地中海针叶树林保持不变.

结论:

  • 基于SEEA-EA的自动化模型有效监控森林状况账户.
  • 这些发现强调了根据生态系统特定趋势制定量身定制的保护战略的必要性.
  • 该方法支持基于证据的自然保护,生态系统服务管理和恢复规划.