Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Adapting Species Risk Assessments to a Changing Climate: The Underestimated Vulnerability of Foundational Trees.

Global change biology·2026
Same author

The Genetic and Morphological Basis of Local Adaptation to Elevational Extremes in an Alpine Finch.

Ecology and evolution·2026
Same author

Pantropical tree rings show small effects of drought on stem growth.

Science (New York, N.Y.)·2025
Same author

Effects of plant diversity on productivity strengthen over time due to trait-dependent shifts in species overyielding.

Nature communications·2024
Same author

Beyond reporting: proactive strategies for safer scientific fieldwork.

Trends in ecology & evolution·2024
Same author

Testing the effectiveness of interactive training on sexual harassment and assault in field science.

Scientific reports·2024

相关实验视频

Updated: Dec 27, 2025

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

1.8K

现实的物种损失不成比例地降低了草原对生物入侵者的抵抗力.

Erika S Zavaleta1, Kristin B Hulvey

  • 1Environmental Studies Department, University of California, Santa Cruz, CA 95064, USA. zavaleta@ucsc.edu

Science (New York, N.Y.)
|November 13, 2004
PubMed
概括

现实的物种丧失大大降低了草原入侵的抵抗力,特别是当整个植物功能群消失时. 这凸显了物种秩序在生物多样性下降中对生态系统功能的重要性.

科学领域:

  • 生态生态学 生态生态学
  • 环境科学 环境科学

背景情况:

  • 生物多样性丧失影响了生态系统的运作.
  • 以前的研究往往忽略了物种消失的顺序.
  • 物种的功能性作用对于生物多样性与生态系统的运行关系至关重要.

研究的目的:

  • 用实验来测试现实的物种损失如何影响草原入侵抵抗力.
  • 研究物种秩序和功能组丧失对生态系统过程的影响.

主要方法:

  • 利用观察到的草原多样性的变化来设计实验.
  • 模拟现实的物种丧失场景,包括整个植物功能组的消失.
  • 在物种被移除后,对抗入侵能力的评估变化.

主要成果:

  • 随着物种逐渐消失,抗入侵能力急剧下降.
  • 整个植物的功能组以比预期更快的速度消失.
  • 现实的,非随机的物种损失比随机的损失有更大的影响.

结论:

  • 物种丧失的顺序显著影响生态系统的过程,如抗入侵.
  • 即使是稀有物种的丧失也可能带来重大后果.

更多相关视频

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
10:20

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Published on: March 12, 2013

13.8K
Characterizing Herbivore Resistance Mechanisms: Spittlebugs on Brachiaria spp. as an Example
06:52

Characterizing Herbivore Resistance Mechanisms: Spittlebugs on Brachiaria spp. as an Example

Published on: June 19, 2011

14.1K

相关实验视频

Last Updated: Dec 27, 2025

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

1.8K
Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
10:20

Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter

Published on: March 12, 2013

13.8K
Characterizing Herbivore Resistance Mechanisms: Spittlebugs on Brachiaria spp. as an Example
06:52

Characterizing Herbivore Resistance Mechanisms: Spittlebugs on Brachiaria spp. as an Example

Published on: June 19, 2011

14.1K
  • 生物多样性下降,当不是随机的,对生态系统的稳定性构成的威胁比以前随机实验表明的更大.