在中国17个山区的海拔梯度沿着植物社区数据
Xiaoran Wang1, Yun Chen2, Yuxin Chen3
1Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China.
Scientific data
|December 15, 2025
概括
中国中国中国中国.
科学领域:
- 生态生态学 生态生态学
- 植物学 植物学
- 保护生物学 保护生物学
背景情况:
- 中国的山脉对生物多样性保护至关重要,提供独特的息地.
- 有限的标准化开放数据集存在于这些山区沿着海拔梯度的植物多样性.
研究的目的:
- 建立一个全面的,标准化的植物多样性的开放数据集,跨越中国山区的海拔梯度.
- 为研究植物多样性的变化提供基线数据,并为保护战略提供信息.
主要方法:
- 收集了来自中国17个山区370个永久采样场所的植物多样性数据.
- 记录的物种身份和木质植物的丰富性 (直径在乳房高度≥1厘米).
- 计算了所有植物和植被层的物种级基底面积,丰度和相对重要性值.
主要成果:
- 该数据集包括来自121个家族和450个属的1493个物种.
- 它跨越从热带雨林到原的多样化生态系统,覆盖广泛的海拔范围 (海拔166至3835米). ) 的情况.
- 这些数据覆盖了广泛的地理区域 (46°经度,24°度).
结论:
- 这一数据集为了解山区生态系统中的植物多样性模式提供了关键的基线信息.
- 它使得跨山的直接比较能够评估气候和土地利用变化的影响.
- 促进了山区生物多样性的知情保护战略.
更多相关视频
04:35Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
Published on: July 3, 2020
3.7K
10:28Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
Published on: June 13, 2020
6.3K
相关概念视频
01:26Profile Leveling and Cross Sections
1.5K
Profile leveling and cross-sections are surveying methods used to determine and document terrain elevations for infrastructure projects such as highways, railroads, canals, and pipelines. These methods provide data for earthwork planning and alignment of proposed routes. Profile leveling involves measuring elevations along a fixed line to create a vertical terrain profile. A surveyor sets up a leveling instrument at the benchmark (BM) and records a backsight (BS) to determine the...
1.5K
02:17Ecological Succession
21.2K
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...
21.2K
01:29Plotting of Topographic Maps
412
Topographic maps represent the Earth's surface features using contour lines, which connect points of equal elevation to create a two-dimensional representation of three-dimensional terrain. Creating a topographic map requires a systematic approach.Begin by plotting a scaled grid and marking intersections corresponding to the survey's elevation data points. Assign elevation values at these intersections to build the base map. Next, determine contour levels using a consistent contour interval,...
412